features protects subscribers and equipment from destructive power crosses and lightning surges reduces frequency of service calls increases reliability of network operation reduces cost of network maintenance listed per ul 497* 1965 series C 50 ohm coaxial surge protector speci? cations are subject to change without notice. customers should verify actual device performance in their speci? c applications the bourns 1965 series coaxial surge protector is intended for use with low power vhf and uhf transmitters, 2-way base station transceivers, and receive-only systems. all models provide gdt technology. the 1965 arrester is symmetric and bidirectional. ei ther end may be used for the input or output. various power and voltage choices are available - see speci cations below for proper selection. available with a choice of connectors. note: the arrester ground plate is common with the connector body; hence the coax cable shields will be grounded at their connection to the arrester. characteristics characteristic impedance ...................................................................................................... ............... 50 frequency characteristics (dc - 1 ghz) vswr (max.) .................................................................................................................. .................. <1.2:1 transmission/insertion loss (max.) .................................................................................................. <0.2 db impulse discharge 20 ka, 8/20 ? ............................................................................................................... ................... 1 time 10 ka, 8/20 ? ............................................................................................................... ................... 10 times 500 a, 10/1000 ? ............................................................................................................ ................ 500 times arc voltage (during discharge) ................................................................................................ .............. 10 v operating temperature .......................................................................................................................... -40 to +85 ? maximum operating altitude .................................................................................................... ............ 7,000 m impulse sparkover (100 v/?) 1965-20* 1965-35 1965-50 1965-60 100 v/? ..............................................400 v ...................... 550 v ....................... 700 v ........ .......... 600 v 1 kv/? ................................................500 v ...................... 650 v ....................... 800 v ....... ........... 850 v 10 kv/? ..............................................650 v ...................... 800 v ....................... 900 v ........ .......... 1100 v *model 1965-20-axx is ul listed per ul 497 for indoor/outdoor use in a listed, compatible nid. vswr and insertion loss 0 .200 .175 .150 .125 .100 .075 .050 .025 0 100 200 300 400 500 frequency (mhz) insertion loss (-db) 1.16 1.14 1.12 1.10 1.08 1.06 1.04 1.02 1.00 600 700 800 900 1000 vswr vswr insertion loss u l
how to order rev. i 08/09 speci? cations are subject to change without notice. customers should verify actual device performance in their speci? c applications 1965 series C 50 ohm coaxial surge protector dimensions: mm (inches) 2468 10 5 10 2 10 3 10 6 10 7 10 8 10 9 1965-20 1965-35 1965-50 1965-60 2 4 6 8 frequency (hz) power (watts) how to order connector fittings part no. description 1965-xx-a00 ....... n(f) and n(f) 1965-xx-a01 ....... n(f) and n(m) 1965-xx-a04 ....... bnc(f) and bnc(f) 1965-xx-a05 ....... bnc(f) and bnc(m) 1965-xx-a12 ....... uhf(f) and uhf(f) note: radio frequency and transmit power should be known. the above curves apply to systems with a vswr of 1.2:1 or less. choose the protector whose curve lies rst above the power-frequency coordinates of the radio system. for systems with a vswr in excess of 1.2:1, or for a more exact determination if desired, multiply the actual radio power by the expression 0.83[2xvswr?1+vswr)] 2 , and use this new power value to enter the graph. product dimensions 41.0 (1.61) 5.3 (.209) 4.5 (.177) dia. 57.0 (2.24) 3.3 (0.13) 46 (1.81) asia-paci c: tel: +886-2 2562-4117 ?fax: +886-2 2562-4116 europe: tel: +41-41 768 5555 ?fax: +41-41 768 5510 the americas: tel: +1-951 781-5500 ?fax: +1-951 781-5700 www.bourns.com
|
