specifications subject to change without notice t apem , 63 neck road, haverhill, ma usa 01835-0788 toll free: (877) 246-7890 fax: (978) 372-3534 e-mail: info@apem.com t1 smcd series miniature pushwheel switches features smcd specifications panel mounting hole: height .945"(24mm) width .315"(8mm) installed depth with p.c. board: short 1.260"(32mm) long 1.654"(42mm) insertion from front yes insertion from rear yes codes code positions marking 111 decimal 10 0-9 see truth tables 131 bcd 10 0-9 see truth tables 137 bcd comp 10 0-9 see truth tables 301 hexadecimal 16 0-9, a-f(0-15) see truth tables 400 change-over 10 +,-,+,-,etc.. see truth tables electrical data operating voltage: 40 v max. contact load, static: 1 a max. contact load, dynamic: 100 ma max. contact resistance (type ak): less than 100 mohm technical data operating temperature range: -20c to 80c electric life, min. switching cycles 1,000,000 actuation force, approx (oz.): 14 weight, approx. (grams): 4 character height: 10 digit .193" (4.9mm) 16 digit .134" (3.4mm) audible click yes vibration din iec 68, parts 2-6 yes shock din 40046, part 7 yes materials body: ppo pc board: fr 4 din 40802 iec 249-2, contact surface gold over nickel on copper sliding contact: gold over nickel on copper alloy standard colors housing,drum,printing 2 = black 3 = white 2,2,3 other special features are available upon request including: factory or customer set stops (10 digit models) l.e.d. illumination (transparent wheel) red digits decimal point special codes or printing gray housing see sockets at end of pushwheel section. miniature pushwheel switches with large visible readout characters. models available with esd protection - consult factory. bi-directional snap action detent pushbutton mechanism. black housing and drum with white printing. gangable front and rear mounting models with spacers and side covers. gold wiping action contacts. p.c. board options include solderable lands.
specifications subject to change without notice t apem , 63 neck road, haverhill, ma usa 01835-0788 toll free: (877) 246-7890 fax: (978) 372-3534 e-mail: info@apem.com t2 smcd series miniature pushwheel switches code 137 bcd comp. c1 2 4 8 0 1 2 3 4 5 6 7 8 9 code 400 change-over ca+a- + - + - + - + - + - truth tables n = number of switches pin connections mechanical outline with panel cut-out & mounting 131 1248c 131bl +1842c- 137 1248c 137bl +1248c- 301 1248c 301bl +1248c- 400 + a+ c a- - 111 01234c56789 111bl +01234c 5 6 7 8 9 - +- 111bl 01234c56789 131 1248c 301 1248c the switching mode is shorting - i.e. - even during actuation, at least one output is connected to input c. code 111 decimal c0123456789 0 1 2 3 4 5 6 7 8 9 code 301 hexadecimal 1248c 0 1 2 3 4 5 6 7 8 9 a b c d e f code 131 bcd c1 2 4 8 0 1 2 3 4 5 6 7 8 9 ak al pitch .079"(2mm) pitch .067"(1.7mm) pitch .079"(2mm) "bl" is used for models ordered with l.e.d. illumination only.
specifications subject to change without notice t apem , 63 neck road, haverhill, ma usa 01835-0788 toll free: (877) 246-7890 fax: (978) 372-3534 e-mail: info@apem.com t3 smcd series miniature pushwheel switches printed circuit options p.c. boards have .039" (1mm) holes and are suitable for soldering or socket connection (with the exception of led illumination option). ak short p.c. board al long p.c. board alu long p.c. board ls p.c. board w/solder pins 'build your own switch' order format ordering information: below is an order format that enables you to 'build your own switch' and specify the correct switch model number by simply selecting from available options shown and filling in the boxes. consult factory for fully assembled switches. 111 decimal 131 bcd 137 bcd comp. 301 hexadecimal. 400 change-over ak short al long al u long (rt. angle) black housing. & drum, white lettering. example of complete model no.: smcd137alls2 order sp12 as a separate line item for limit stop pin (for 10 position models only). accessories order separately smcl2 dummy housing smcpk2 pair of side covers smca2 spacer smcd smcrl2 dummy housing smcpkh2 pair of side covers smcah2 spacer 2 series model code p.c. board te rminations standard colors (none) ls with p.c. solder pins smcl2 dummy switches - these are empty plastic housings with the same dimensions as smcd model (see outline). use to fill hole where switch is not needed. smcrd2 & smcrnd2 switches for rear mounting available on request. allows customer to add resistors, diodes, ect.
|
