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m/a-com, inc. north america: tel. (800) 366-2266 n asia/pacific: tel. +85 2 2111 8088 n europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +85 2 2111 8087 fax +44 (1344) 300 020 1 specifications subject to change without notice. id 2011 v4.00 m/a-com offers a complete series of rf coaxial lightning & emp protection devices for use in cellular infrastructure appli- cations. emp (electro-magnetic pulse) occurs primarily as a result of direct lightning strikes to infrastructure equipment which can produce fast rising electric fields within micro seconds. these electric fields induce high voltage pulses through unprotected antennas and coaxial transmission cables which can ultimately lead directly to the primary com- munication equipment. the emp threat, generated from un- predictable lightning strikes is a serious concern for cellular operators around the world. damage from a lightning strike can result in costly repair of equipment as well as significant loss of airtime service to subscribers. m/a-com rf coaxial lightning protection (lp) devices have been designed for use in commonly deployed cellular infrastructure including gsm, namps, pcs 1900 and dcs 1800 operating formats. the use of coaxial lightning protection has two primary benefits for cellular applications. first, rf coaxial lightning protection can easily be inserted into existing infrastructure architecture either as a cable assembly or as an in-line adapter. this facilitates cell site design and retrofit capabilities. secondly, the rf coaxial protection has been designed to facilitate and not degrade rf performance during normal operation of the system. surge protectors these devices incorporate internal gas discharge tube (gdt) technology to provide a low impedance path to discharge the emp to ground. the gdt is hermetically sealed with an inert gas which is not radioactive and requires no special handling. gdt devices are broadband due to their inherently small capacitance and cover frequencies up to 2.5 ghz. once a gdt device has been activated with an impulse and the voltage level dissipated, the device becomes inactive and will require subsequent maintenance or replacement. surge protectors are available in convenient bulkhead mounting configurations with a wide variety of standard interface choices including type n, 7-16 and sma. in-line rf coaxial protection against lightning & emp ideal protection for cellular infrastructure equipment available in l/ 4 stub tuner or gas discharge tube formats maintains protection after initial strike or pulse l /4 stub tuners l /4 stub tuners are three port coaxial devices. the third port, extending from the main electrical path, serves as a terminated short circuit element at a predetermined distance from the rf transmission path. this distance is designed to be exactly one quarter wavelength at the desired centering frequency (fo). l /4 stub tuners offer very low vswr and feature very high attenuation of incoming pulses but must be applied across relatively narrow bandwidths ( 70 mhz). m/a-com offers standard designs for the most popular cellular frequency bands to facilitate usage without the need for a custom design. stub tuners offer the greatest protection for sensitive electronic components as they have neither the sparkover or residual voltage characteristics of gdt devices. stub tuners are extremely reliable and maintenance free since they incorporate no active components. standard stub tuner designs exist for gsm, pcs 1900 and dcs 1800 frequencies with a wide variety of connector interfaces such as type n and 7-16 available. cable assemblies, including low loss cable options, are also available to provide complete in-line solutions for base station design. call your local m/a-com sales office or global applications engineering group for more information on our rf coaxial lightning protection. m/a-com is an iso-9001 globally certified manufacturer. rf coaxial lightning & emp protection
m/a-com, inc. north america: tel. (800) 366-2266 n asia/pacific: tel. +85 2 2111 8088 n europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +85 2 2111 8087 fax +44 (1344) 300 020 2 specifications subject to change without notice. rf coaxial lightning & emp pr otection application inf ormation ? ideal for use with gsm, pcs and dcs ? maintenance free operation ? low vswr within specified bandwidth ? configurations include direct attachments to cable variants ? optional white bronze finish description l /4 stub tuners are three port coaxial devices which employ a short circuit element as a means of protection against lightning or emp strikes. the third port, extending from the side of the main transmission path of the connector, is terminated in a short circuit at a predetermined distance from the main path. the distance is calculated to be exactly one quarter wavelength ( l /4) at the desired centering frequency (fo). in order to offer the most flexible solutions for infrastructure applications, stub tuners are available in either an individual connector format or as a cable assembly ready for direct installation into a rf coaxial transmission line. a wide variety of interface styles are available to meet existing retrofit or new design requirements including type n, and 7-16. standard crimp tooling is available to facilitate direct connector termination to rg58 or low loss times t-flex 402 cables. application inf ormation the centering frequency is an important selection criteria because l /4 stub tuner design techniques restrict the bandwidth in which acceptable vswr performance can be achieved. stub tuners exhibit a v-shaped vswr response. typically this bandwidth is 8% of the centering frequency. specified bandwidth in excess of 8% begins to experience degradation of vswr at the centering frequency. stub tuners are frequency specific in application as opposed to surge protectors which address a wider spectrum of frequencies. as a result of this restriction, m/a-com offers a wide range of standard stub tuner devices which address commonly deployed cellular frequency bands such as gsm, namps, pcs 1900 and dcs 1800. l /4 stub t uner s stub tuners, by the nature of their short circuit designs, do not have a sparkover or residual voltage as found in surge protectors. this ensures the greatest levels of protection against repeated lightning or emp strikes within specified frequency bands. stub tuners are also extremely reliable and maintenance free since they contain no active parts. this characteristic can be important when considering the total cost of ownership, including the need for replacement or repair of the device within difficult to reach infrastructure equipment. some alternative plating finishes are available with m/a-com? stub tuner lightning products. standard plating finishes are shown within the data sheet, but alternatives are available by customer request. details of m/a-com? new ?hite bronze finish are shown in the application notes associated with this data sheet. for more detailed information, please contact your local m/a-com field sales office.
m/a-com, inc. north america: tel. (800) 366-2266 n asia/pacific: tel. +85 2 2111 8088 n europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +85 2 2111 8087 fax +44 (1344) 300 020 3 specifications subject to change without notice. rf coaxial lightning & emp pr otection specifications requirement detail (type-n, 7-16) impedance 50 w vswr performance in band 1.2:1 insertion loss (typical) 0.2db dc resistance (stub outer to inner) 1mw max dynamic voltage @ 250a/ms 15v residual voltage @ 2500a, 8/20ms 15v outer conductor contact resistance 10mv dc resistance (through-path center contact) 100mw min body p arts brass gasket silicone rubber female c ontacts beryllium copper male contacts brass insulators p.t.f.e. operating temperature range -45 c to +85 c relative humidity (non-condensing) up to 100% electrical materials environmental l /4 stub t uner s
m/a-com, inc. north america: tel. (800) 366-2266 n asia/pacific: tel. +85 2 2111 8088 n europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +85 2 2111 8087 fax +44 (1344) 300 020 4 specifications subject to change without notice. rf coaxial lightning & emp pr otection l /4 stub t uner s ? pr oduct off ering part number cable n15x12e470x t-flex402 dcs 1800 type n clamp bulkhead jack bandwidth 70 mhz center frequency 1795 mhz contact plating 6,0mm 0,5 silver body plating 6,0mm 0,5 silver max panel 10,00mm compliant with cecc22210 coupling torque 0.7-1.1nm proof torque 1.7nm endurance 500 matings part number cable d75x13e470x t-flex402 7-16 clamp bulkhead jack bandwidth 70 mhz center frequency 1795 mhz contact plating 6,0mm 0,5 silver body plating 6,0mm 0,5 silver max panel 10,00mm compliant with cecc22190 coupling torque 25 - 30nm proof torque 35nm endurance 500 matings 7-16 jack to 7-16 bulkhead jack adapter bandwidth 70 mhz center frequency 1795 mhz contact plating 6,0mm 0,5 silver body plating white bronze max panel 8,00mm compliant with cecc22190 coupling torque 25 - 30nm proof torque 35nm endurance 500 matings part number cable n15x18e010x rg58c/u type n crimp bulkhead jack bandwidth 70 mhz center frequency 1795 mhz contact plating 6,0mm 0,5 silver body plating 6,0mm 0,5 silver max panel 10,00mm compliant with cecc22210 coupling torque 0.7-1.1nm proof torque 1.7nm endurance 500 matings part number d75x15b999x 11.0 across flats .43 lockwasher across flats recommended mounting hole 19.0 .750 hex nut .625-24 unef max panel thickness across flats 62.9 2.48 ref 16.0 .63 dia 13.6 .54 54.7 2.15 ref 42.0 1.65 ref 25.4 1.00 sq 13.5 .53 23.5 .92 ref 10.0 .39 washers m29 x 1.5 7/16 jack recommended mounting hole max panel thickness 25.4 square hex nut 1.0 34.9 1.37 11.0 across flats .43 gasket 27.5 1.08 29.5 1.16 dia 38.0 1.50 dia ref 27.2 1.07 ref 72.7 2.86 ref 24.6 .97 ref 7.5 .30 4.0 .16 ref 41.9 1.65 ref m29 x 1.5 m29 x 1.5 recommended mounting hole 7/16 jack 7/16 jack max panel thickness 33.0 square 1.3 castle nut copper washer 30.5 1.20 3.2 .13 17.5 .69 77.6 3.06 ref 27.4 1.08 ref 9.1 .36 dia ref 44.6 1.76 ref 44.9 1.77 67.0 2.64 ref copper washer recommended mounting hole across flats lockwasher 19.0 hex nut .750 .625-24 unef 11.0 across flats .43 max panel thickness across flats crimp ferrule 62.9 2.48 ref 13.6 .54 16.0 .63 dia 23.5 .92 ref 10.0 .39 25.4 1.00 sq 13.5 .53 42.0 1.65 ref 54.7 2.15 ref
m/a-com, inc. north america: tel. (800) 366-2266 n asia/pacific: tel. +85 2 2111 8088 n europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +85 2 2111 8087 fax +44 (1344) 300 020 5 specifications subject to change without notice. rf coaxial lightning & emp pr otection l /4 stub t uner s ? pr oduct off ering dcs 1800 type n jack to type n bulkhead jack adapter bandwidth 70 mhz center frequency 1795 mhz contact plating 6,0mm 0,5 silver body plating 6,0mm 0,5 silver max panel 10,00mm compliant with cecc22210 coupling torque 0.7-1.1nm proof torque 1.7nm endurance 500 matings gsm 7-16 bulkhead jack to 7-16 bulkhead jack bandwidth 70 mhz center frequency 925 mhz contact plating 6,0mm 0,5 silver body plating white bronze max panel 8,00mm compliant with cecc22190 coupling torque 25 - 30nm proof torque 35nm endurance 500 matings pcs 1900 type n clamp bulkhead jack bandwidth 70 mhz center frequency 1920 mhz contact plating 6,0mm 0,5 silver body plating 6,0mm 0,5 silver max panel 10,00mm compliant with cecc22210 coupling torque 0.7-1.1nm proof torque 1.7nm endurance 500 matings type n crimp bulkhead jack bandwidth 70 mhz center frequency 1920 mhz contact plating 6,0mm 0,5 silver body plating 6,0mm 0,5 silver max panel 10,00mm compliant with cecc22210 coupling torque 0.7-1.1nm proof torque 1.7nm endurance 500 matings lockwasher copper washer max panel thickness across flats .625-24 unef (2 places) 19.0 hex nut .750 across flats recommended mounting hole 42. 0 1 . 65 ref 54.7 2. 1 5 ref 23.5 .93 ref 57.3 2.26 ref 13.5 .53 25.4 1 . 00 sq 13.6 .54 16.0 .63 dia 1 0 . 0 . 39 44.9 1 .77 dia ref 32 . 1 3 1 7.5 .69 93.4 3 . 68 ref 77.6 3.06 ref 27.4 10.8 ref 9 . 1 . 3 6 33.0 1.30 sq. 30.5 1 .20 d i a recommended mounting hole copper washer max panel thickness 7 / 1 6 j a c k 7 / 1 6 j a c k c as tle n ut m29x1.5 m29x1.5 71.0 2.79 ref lockw asher 1 9.0 hex nut . 7 5 0 max p anel thickness .625-24 unef 11.0 a cr oss fla ts .43 copper w asher 23.5 .92 ref 1 0 . 0 .39 recommended mounting hole a cr oss fla ts 40.2 1.58 ref 13.6 .54 1 6 . 0 . 63 dia a cr oss fla ts 13.5 .53 25.4 1 . 00 s q 52.9 2.08 ref 62.9 2. 48 ref recommended mounting hole across flats .625- 24 un ef 1 9.0 hex nut . 7 5 0 max panel thickness across flats crimp ferrule 11.0 across flats .43 lockwasher copper washer 13.6 .54 16.0 .63 dia 52.9 2.08 ref 40.2 1 .58 ref 25 . 4 1 . 00 s q 62.9 2.48 ref 23.5 .92 1 0 . 0 . 39 1 3 . 5 .53 part number n15x16e999x part number d75x07b999x part number cable n15x09e470x t-flex 402 part number cable n15x14e010x rg58 c/u
m/a-com, inc. north america: tel. (800) 366-2266 n asia/pacific: tel. +85 2 2111 8088 n europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +85 2 2111 8087 fax +44 (1344) 300 020 6 specifications subject to change without notice. rf coaxial lightning & emp pr otection l /4 stub t uner s ? pr oduct off ering pcs 1900 7-16 clamp bulkhead jack bandwidth 1920 mhz center frequency 70 mhz contact plating 6,00mm 0,5 silver body plating 6,00mm 0.5 silver max panel 8.00mm compliant with cecc 22190 coupling torque 25-30 nm proof torque 35 nm endurance 500 matings 7-16 bulkhead jack to 7-16 bulkhead jack adapter bandwidth 1920 mhz center frequency 70 mhz contact plating 6,00mm 0,5 silver body plating white bronze max panel 8.00mm compliant with cecc 22190 coupling torque 25-30 nm proof torque 35 nm endurance 500 matings type n bulkhead jack to type n bulkhead jack adapter bandwidth 70 mhz center frequency 1920 mhz contact plating 6,0mm 0,5 silver body plating 6,0mm 0,5 silver max panel 10,00mm compliant with cecc22210 coupling torque 0.7-1.1nm proof torque 1.7nm endurance 500 matings gasket 7/16 jack across flats hex nut 34.9 1.37 recommended mounting hole 25.4 square 1.00 m29 x 1.5 7 .5 .30 panel max 27.4 1.08 ref 38.0 1.50 dia ref 4.0 .16 ref 72.7 2.86 ref 29.5 1.16 dia 27.5 1.08 24.6 .97 ref 40.2 1.58 ref 11.0 .43 recommended mounting hole type n jack type n jack across flats 19.0 hex nut .750 .625-24 unef (2 places) across flats max panel thickness copper washer lockwasher 1 0 . 0 .39 16.0 .63 dia 13.6 .54 25.4 1 .00 sq 1 3.5 .53 57.3 2.26 ref 23.5 .93 ref 52.7 2.08 ref 40.0 1.58 ref part number cable d75x12e470x t-flex402 part number d75x14b999x part number n15x17e999x m29 x 1.5 m29 x 1.5 7/16 jack 7/16 jack castle nut copper washer recommended mounting hole 33.0 square 1.3 max panel thickness 77.6 3.06 ref 27.4 1.08 ref 9. 1 .36 42.2 1.66 ref 64.6 2.54 ref 30.5 1.20 3.2 .13 17.5 .69 44.9 1.77 dia ref
m/a-com, inc. north america: tel. (800) 366-2266 n asia/pacific: tel. +85 2 2111 8088 n europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +85 2 2111 8087 fax +44 (1344) 300 020 7 specifications subject to change without notice. rf coaxial lightning & emp pr otection inter series cab le assemb lies ?pr oduct off ering c1: t-flex 402 or rg-58 f1: frequency range (gsm, pcs 1900, dcs 1800) i1: 7-16 or n bulkhead jack i2: sma, n, 7-16 (straight, right angle plug or bulkhead jack) l1: overall length as specified m1: required marking m/a-com shrink sleeve (both ends) type n right angle plug, shown for ref only (see list of connector options) marker sleeve flexible cable (c1) see list of options cable length - mounting surface to center line (right angles) or to reference plane (straights) i1 m1 i2 l1 type n jack l /4 stub tuner connector shown for ref only (see list of connector options) materials: jacket fep (fluorinated ethylene propylene) pvc(polyvinyl chloride) 1st shield silver plated copper strip tinned copper 2nd shield silver plated copper braid n/a dielectric extruded solid polytetrafluoroethylene solid polyethylene center contact silver plated copper bare copper minimum bend radius: 20.32 mm (.8inch) 25.5 mm (1 inch) impedance: 50 ohms 50 ohms insertion loss: .09 db/ft; .295db/m @ 500 mhz .099 db/ft; .324 db/m @ 500mhz .13 db/ft; .427 db/m @ 1ghz .143 db/ft; .47 db/m @ 1 ghz .192 db/ft; .629 db/m @ 2 ghz cable specifications a variety of options are available to ensure the proper cable assembly selection can be made for your application. please specify the following parameters below: t-flex 402 rg-58
m/a-com, inc. north america: tel. (800) 366-2266 n asia/pacific: tel. +85 2 2111 8088 n europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +85 2 2111 8087 fax +44 (1344) 300 020 8 specifications subject to change without notice. rf coaxial lightning & emp pr otection application inf ormation excellent for broadband frequency applications field replaceable gas discharge tube available interfaces facilitate retrofit capabilities low vswr up to 2.5ghz specialized white bronze finish description surge protectors incorporate hermetically sealed gas dis - charge tube (gdt) technology within the coaxial transmission line to provide a low impedance path to discharge the emp to ground. the gdt is loaded into the connector housing from the side via a weather sealed access port. the gdt does not require special handling or safety precautions as the inert gas used is non-radioactive. in an active state, the transverse- mounted gdt introduces some inherent extra capacitance which is compensated electrically in the design and does not degrade overall vswr performance. as a result, m/a-com surge protectors perform well in applications up to 2.5 ghz. surge protectors are made active when a high voltage impulse generated from a lightning or emp source appears on the coaxial line. the electric field produced causes the inert gas to ionize which then creates a very low impedance path to ground, thus directing the current away from sensitive electronic elements. once the impulse ceases and the volt - age level reduces, the gdt becomes inactive again leaving a residual voltage on the coaxial line. m/a-com supplies devices with a selection of gdt elements to carry 10ka, 20ka or 50ka peak current. in addition, gdt devices are available with a wide variety of interfaces such as type n, 7-16 and sma to facilitate retrofit installation. application inf ormation the significant advantage of using surge protectors is their ability to handle a wide bandwidth from dc to 2.5 ghz. applications where multiple frequency bands need to be transmitted at the same time also benefit from the surge pro - tector design characteristics, i.e. the device is required to pass dc or low frequency ac bias voltages as well as prima - ry transmit or receive signals, but in addition required to stop high voltage impulses. in operation, the gas discharge tube continues to exhibit a voltage drop of about 20 volts while the device remains in an energized state. it is important to note that there will be a small period prior to the device becoming active when high energy will be present on the transmission line. this is because the ionization of the inert gas is inherent - ly not instantaneous. the time taken for the gdt to become sur g e pr otector s fully active is determined by the rise time of the applied impulse, typically in the order of 1kv/ s, and the impulse sparkover voltage which is normally 800 volts. standard devices will therefore take 800ns typically to reach full condi - tion. high energy for this period of time may not be accept - able in some applications and should be considered as a sys - tem design parameter. gdt techniques employed for lightning or emp protection have a finite life span once activated. when measured, this is found to be inversely proportional to the level of energy dissi - pated by the device. in tests, the gdt devices will withstand multiple impulses of 20ka but only a single impulse of 50ka. it is important to note that once failure occurs, the device remains a short circuit to guarantee continued protection. to facilitate the maintenance and reduce the expense of gdt based systems, m/a-com has designed these devices to be field replaceable. replacement gdt capsules are available for field installation after a subsequent lightning or emp strike. surge protectors have been specifically designed with fully- retained sealed covers which are located in an accessible location to facilitate maintenance. gdt capsules require only a standard wrench for field replacement. surge protectors are plated standard with m/a-com? special - ized white bronze finish, specially formulated to provide cor - rosion resistance in potentially aggressive physical environ - ments. white bronze plating is ideal for wireless applications due to its excellent conductivity, and non-ferrous composition for low intermodulation characteristics. detailed application notes are available for proper selection of lightning protection devices (surge protectors & stub tuners) as well as intermodu - lation and white bronze plating. please refer to the applica - tion section at the back of this data sheet for more details on availability of these application notes.
m/a-com, inc. north america: tel. (800) 366-2266 n asia/pacific: tel. +85 2 2111 8088 n europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +85 2 2111 8087 fax +44 (1344) 300 020 9 specifications subject to change without notice. rf coaxial lightning & emp pr otection specifications requirement detail frequency range dc to 2.5ghz impedance 50 w vswr performance 1.2:1 insertion loss (typical) 0.2db impulse discharge current (8/20 s, multiple strike) 20ka maximum impulse discharge current (8/20 s, single strike) 50ka dynamic sparkover voltage, nemp (1kv/ s) 2,000v dynamic sparkover voltage, lemp (1kv/ s) 800v dynamic sparkover voltage, static (<100v/ s) 230v body parts brass gaskets silicone rubber female contacts beryllium copper male contacts brass insulators p.t.f.e. operating temperature range -45 c to +85 c relative humidity up to 100% electrical materials environmental sur g e pr otector s
m/a-com, inc. north america: tel. (800) 366-2266 n asia/pacific: tel. +85 2 2111 8088 n europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +85 2 2111 8087 fax +44 (1344) 300 020 10 specifications subject to change without notice. rf coaxial lightning & emp pr otection sur g e pr otector ?pr oduct off ering type-n jack to sma bulkhead jack adapter sur g e pr otector s frequency range dc to 2.5ghz contact plating gold body plating white bronze max panel 10,00mm compliant with cecc22210/cec22110 coupling torque 0.7-1.1nm proof torque 1.7nm both ends endurance 500 matings type-n bulkhead jack to type n bulkhead jack adapter 7-16 plug to 7-16 jack adapter gas discharge tube replacement frequency range dc to 2.5 ghz contact plating gold body plating white bronze max panel 10,00mm compliant with cecc22210 coupling torque 0.7-1.1 nm proof torque 1.7 nm endurance 500 matings frequency range dc to 2.5ghz contact plating 6,0mm 0,5 silver body plating white bronze compliant with cecc22190 coupling torque 25 - 30 nm proof torque 35nm endurance 500 matings d.c. sparkover voltage: 230v 46v impulse sparkover voltage: 700v typ. (1kv/ms) (900v max) glow discharge voltage: 72v arc discharge voltage: 10v a.c. discharge current: 20a (1 sec, 50hz) impulse discharge current: 20ka (50ka for (8/20ms waveform) one strike) insulation resistance (@100v): 10gw capacitance: 2pf .250-36 uns .625-24 unef sma jack type n jack across flats gasket lockwasher 19.0 hex nut .750 recommended mounting hole across flats across flats max panel thickness 13.5 .53 14.0 .55 13.6 .54 16.0 .63 dia 25.4 1 . 00 sq 53.8 2.12 ref 21.5 .85 ref 10.0 .39 ref copper washer lockwasher max panel thickness type n jack type n jack across flats .625-24 unef (2 places) 19.0 hex nut .750 across flats recommended mounting hole 7.7 .30 15.2 .60 ref 21.5 .85 ref 21.9 .86 53.8 2.12 ref 13.5 .53 25.4 1.00 sq 13.6 .54 16.0 .63 dia m29 x 1.5 25.4 square 1.00 7/16 plug 7/16 jack 31.9 1.25 across flats 56.5 2.23 ref 34.0 1.34 dia ref part number a55x01b999x part number n15x10b999x part number d75x06b999x part number st127893-98
rf coaxial lightning & emp pr otection t ools & adapter m/a-com, inc. north america: tel. (800) 366-2266 n asia/pacific: tel. +81 3 3263 8761 n europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +81 3 3263 8769 fax +44 (1344) 300 020 11 specifications subject to change without notice. crimping t ool type n plug to 7-16 plug between series adapter s type n plug 7/16 plug 22.0 across flats .87 32.0 across flats 1.26 20.6 .81 dia ref 34.0 1.34 dia ref 48.6 1.91 ref contact plating: 6.0mm 0.5 silver body plating: white bronze part number G30040 part number a55p23e999x type n plug to type n plug type n plug type n plug 40.5 1.59 ref 20.6 .81 dia ref contact plating: gold body plating: white bronze part number n15p10e999x
m/a-com, inc. north america: tel. (800) 366-2266 n asia/pacific: tel. +85 2 2111 8088 n europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +85 2 2111 8087 fax +44 (1344) 300 020 12 specifications subject to change without notice. rf coaxial lightning & emp pr otection adapter s contact plating: 0.6mm silver body plating: white bronze contact plating: gold body plating: gold part number a55p24e999x part number 3082-2240-00 type n plug to 7-16 jack between series adapter s cont d. sma to type n 22.0 across flats .86 24.0 across flats .94 type n plug 7/16 jack m29 x 1.5 20.6 .81 dia ref 51.9 2.04 ref type n plug 14.3 across flats .53 sma jack 21.0 .83 dia ref 18.2 .72 ref 31.7 1.25 ref
rf coaxial lightning & emp pr otection application notes m/a-com, inc. north america: tel. (800) 366-2266 n asia/pacific: tel. +85 2 2111 8088 n europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +85 2 2111 8087 fax +44 (1344) 300 020 13 specifications subject to change without notice. selecting an rf coaxial lightning pr otection de vice white br onz e plating intermodulation cab le assemb lies selecting the best form of rf coaxial lightning protection is critical for your infrastructure applications. m/a-com has developed an application note which provides detailed technical information on surge protector and stub tuner lightning protection products to assist in the understanding and specification of this technology. application note id 2012, entitled ?ightning and emp protection devices?is available from your local m/a-com sales office, authorized distributor or directly through our global applications engineering group. m/a-com? unique copper, tin, zinc alloy finish is a robust plating which is suitable for applications requiring excellent levels of electrical performance and offers the following attributes: ?high corrosion resistance ?low porosity ?non-magnetic finish ?wear & scratch resistant ?low rf loses ?excellent for intermodulation sensitive applications application note id 1014 entitled ?hite bronze?is available from your local m/a-com sales office, authorized distributor or directly through our global applications engineering group. dissimilar metals, finishes and discontinuities within a coaxial structure give rise to intermodulation products (imp). this is of particular concern in applications such as cellular base stations and antennas which require low levels of intermodulation. m/a-com rf coaxial lightning protection devices were designed with this phenomena in mind and, as such, contain no ferrous or magnetic materials and utilize low porosity white bronze plating. complete in-house capabilities exist for intermodulation testing. application note id1018, entitled ?ntermodulation in rf coaxial connectors?is available from your local m/a-com sales office, authorized distributor or directly through global applications engineering group. m/a-com can provide customers with a complete high volume interconnect solution for cellular base stations. our global capabilities to provide cable assemblies facilitates lower cost implementation of lightning protection devices. our vertically integrated resources ensure consistent and reliable control over all critical processes from machining and plating to completed assembly. semi-automated cable trimming and termination techniques are consistently applied to the manufacturing process to support volume capacity and assure repeatable quality. test capabilities exist for standard electrical screening such as vswr and insertion loss as well as specialized testing for such parameters as intermodulation (imp). a wide range of standard cable assembly offerings are listed for reference within previous sections of this data sheet. a global staff of application engineers are available to assist in the proper specification of a cable assembly to suit your application needs. m/a-com? extensive experience in the manufacture of coaxial connectors and cable assemblies can provide cost effective, competitive advantage for your business.
rf coaxial lightning & emp pr otection application notes m/a-com, inc. north america: tel. (800) 366-2266 n asia/pacific: tel. +85 2 2111 8088 n europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +85 2 2111 8087 fax +44 (1344) 300 020 14 specifications subject to change without notice. to ensure that proper, low level contact resistance is established between the lp device and mounting wall, it is recommended that a minimum torque of 50 in/lbs / 5.65 n/m be applied to tighten the connector mounting nut. a recommended minimum torque of 35 in/lbs / 3.95 n/m should also be applied for installation of replacement surge protector capsules to ensure proper protection performance. in order to ensure that resultant currents from lightning or emp strikes do not interfere with parallel transmission lines within protected electronic equipment, surge protector devices must be installed with proper orientation. the surge protector side of the device should be mounted in the unprotected side of the equipment while the mounting nut is positioned internally in the protected area. it is important when planning lightning protection, that the user can estimate the potential number of direct strikes. this information may influence the type of device selected or the requirement for routine maintenance checks. significant attention must be paid to the height of supporting structure as this, when related to the typical number of thunderstorms in a particular region, allows us to estimate the probability of a direct strike taking place. to assist our customers in this, the following table and chart has been included in this note. this should enable lightning protection planners to establish the likelihood of direct strikes across a network anywhere in the world. number of thunderstorm hmax/m hmax/m hmax/m days per year 10% 20% 50% 05 28 39 61 10 18 26 40 15 14 20 31 20 12 17 26 30 9.4 13 20 40 7.9 11 17 50 6.9 9.5 15 70 5.6 8.0 12 90 4.8 7.0 10.6 130 3.9 5.5 8.5 150 3.5 5.0 7.7 180 3.1 4.4 6.9 recommended mounting t ec hniques sur g e pr otector mounting t ec hniques selecting y our rf coaxial lightning pr otection de vice lightning pr otection planning table 1: maximum height of supporting building for a given number of thunderstorm days (when hmax is exceeded, probability of direct strike to supporting building within 15 years is greater than 10% for hmax values given in second column, 20% for hmax values given in third column and 50% for hmax values given in the fourth column).
rf coaxial lightning & emp pr otection application notes m/a-com, inc. north america: tel. (800) 366-2266 n asia/pacific: tel. +85 2 2111 8088 n europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +85 2 2111 8087 fax +44 (1344) 300 020 15 specifications subject to change without notice. w orld map of number of thunder storm da ys p er y ear/p er region
many m/a-com pr oducts ar e available thr ough distribution. for a complete, worldwide list of m/a-com distributors by r etur n fax, call our faxfacts system fr om your fax machine at 978.442.4222 and r equest document 4, or visit our w ebsite at www .macom.com . 1997 m/a-com, inc. sales o f f i c e s / r e p r es e n ta t i v es europe/middle east/africa tel: 44.1344.869.595 fax: 44.1344.300.020 argentina 54.1.300.2013 atlanta 800.366.2266 baltimore 800.366.2266 boston 800.366.2266 brazil 55.11.882.4000 canada 800.366.2266 cedar rapids 800.366.2266 chicago 800.366.2266 dallas 800.366.2266 dayton 800.366.2266 denver 800.366.2266 florida 800.366.2266 fort wayne 800.366.2266 kansas city 800.366.2266 los angeles 800.366.2266 new york, metro 800.366.2266 orange county 800.366.2266 philadelphia 800.366.2266 phoenix 800.366.2266 raleigh/durham 800.366.2266 san diego 800.366.2266 san jose 800.366.2266 seattle 800.366.2266 st. louis 800.366.2266 finland 358.95123.4237 france 33.1.3465.3737 germany 49.89.462.3410 hungary tavkozlest innovations co. 36.1.251.0888 india r adelcom 91.80.558.5999 israel m/a-com iscom ltd. 972.3.7518421 italy (milan) 39.2.6696368 italy (rome) 39.6.4191955 netherlands hi-tech electronic components bv. 31.346566024 poland micro active components sc 48.22.659.6174 south africa ds communications cc 27.11.805.1878 sweden 468.580.83385 switzerland walter-electronic a.g. 41.71.969.4343 turkey elektro sanayi ve ticaret as 90.216.4610700 united kingdom m/a-com european hdq 44.1344.869.595 china wellink communications 852.2884.4128 hong kong ma/-com asia pacific hdq 85.2.2111.8088 hong kong gentech industries, ltd. 852.2521.4567 japan (osaka) nihon m/a-com, k.k. 81.6.423.4351 japan (tokyo) nihon m/a-com, k.k. 81.3.3263.8761 korea hanaro corporation 82.2.516.1144 new zealand (amp) 64.9.634.4580 shanghai prc shanghai well genius optical communications equip. ltd. 86.21.6438.1888 singapore excel-max communications 65.243.3266 taiwan evergo corporation 886.2.715.0283 asia/p acific tel: 85.2.2111.8088 fax: 85.2.2111.8087 americas tel: 800-366-2266 fax: 800-618-8883

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