7743 smd 7 mm square sealed coded switch specifications are subject to change without notice. 7743j 1 2 8 4 recommended pcb layout c 7.16 (.282) 7.01 (.276) typ 2.54 (.10) typ 0.51 (.020) 2.79 (.110) 3.38 (.133) 7.24 (.285) 0.51 (.020) typ 2.54 (.10) 2.03 (.080) typ 0.76 (.030) 5.99 0.25 (.236 .010) 5.08 (.200) 7743g 1 2 4 c 7.16 (.282) 7.01 (.276) recommended pcb layout typ 2.54 (.10) 2.03 (.080) typ 0.76 (.030) 8.31 0.25 (.327 .010) 5.08 (.200) typ 2.54 (.10) typ 0.51 (.020) 2.79 (.110) 0.51 (.020) 3.38 (.133) 9.37 (.369) typ 1.07 (.042) 0.38 0.10 (.015 .004) 7743h 1 2 4 c 7.16 (.282) typ 7.01 (.276) 2.54 (.10) typ 0.51 (.020) 3.18 (.125) 0.38 0.10 (.015 .004) 8 8.56 +0.20/ -0.31 (.337 +.008/ -.012) 5.08 (.200) 0.20 (.007) 8 2.79 (.110) 0.51 (.020) recommended pcb layout 7.24 (.285) typ. 0.76 (.030) typ. 2.54 (.100) electrical characteristics contact rating maximum current ...........100 ma max. maximum voltage .........................16 v contact resistance ..............................100 milliohms max. insulation resistance .....1000 megohms dielectric strength ....................250 volts general characteristics switch type ..................................binary operating temperature range ................................-55 ? to +125 ? storage temperature range ................................-55 ? to +125 ? seal test .......................85 ? fluorinert* mechanical characteristics positions ................................8, 10 or 16 adjustment detent torque ....................................... 0.2-2.0 n-cm environmental characteristics shock ............................................100 g 0.1 ms. max. discontinuity vibration ..........................................30 g 0.1 ms. max. discontinuity thermal shock (5 cycles) ................................-55 ? to +125 ? contact resistance .............................100 milliohms max. humidity insulation resistance ................................10 megohms min. contact resistance ..............................100 milliohms max. actuation life .......................1,000 steps contact resistance ..............................100 milliohms max. maximum soldering heat ...........245 ?, .............................................5 seconds standard packaging tube ......................j, g = 50 pcs./tube h = 100 pcs./tube tape & reel .....................250 pcs./reel how to order 7743 j - 1 - 008 e model terminal switch type 1 = standard number of positions 008 = binary coded octal 010 = binary coded decimal 016 = binary coded hexadecimal embossed tape option (omit letter for tube) product dimensions features applications 8,10 or 16 position coded switch signal/circuit select miniature industrial switch multi-position board address vertical adjust test equipment rugged surface mount design rugged lead frame construction tolerances: .2 except where noted. dimensions: "off" position is common. mm (in)
specifications are subject to change without notice. x = connection 16 positions (binary coded hexadecimal) 12 48c 0 x 1 xx 2 xx 3 xx x 4 xx 5 xxx 6 xx x 7 xx x x 8 xx 9 xxx a xxx b xx xx c xxx d x xxx e xxxx f xxxxx 10 positions (binary coded decimal) 12 48c 0 x 1 xx 2 xx 3 xx x 4 xx 5 xxx 6 xx x 7 xx x x 8 xx 9 xxx 8 positions (binary coded octal) 12 4c s 0 xnc 1 xxnc 2 xxnc 3 xx x nc 4 xx nc 5 xxxnc 6 xxx nc 7 xx xx nc binary (real) code packaging specifications 7743 smd 7 mm square sealed coded switch tube length - 384mm. units packaged 50 pieces per tube. r 0.51 typ. tape meets eia 481 .40 max. (.016) 3.60 .10 (.141 .004) 7.50 0.5 (.295 .020) 7.60 .10 (.299 .004) 7.40 .10 (.291 .004) 12.00 .20 (.472 .007) 1.5 + .10/ C.00 dia. (.059 + .004.C.00) 4.00 .10 (.157 .004) 2.00 .05 (.079 .002) 1.75 .10 (.069 .004) 16.00 .30 (.630 .012) 180.0 5 dia. (7.087 .197) 13.0 .508 (.512 .020) dia. 1.78 .254 (.070 .010) equal spaced 3 plcs. 21.01 .787 (.827 .031) dia. 2.67 .254 (.105 .010) 59.18 2 (2.330 .079) 16.4 + 2.01/ -.000 (.645 + .079/-.000) reel tube length - 384mm. units packaged 50 pieces per tube. 12.7 .254 (.500 .010) 3.81 (.150) 2.54 (.10) 0.51 (.020) 2.31 (.091) 4.09 (.161) 0.64 (.025) 10.16 (.40) 8.03 (.316) r 0.51 typ. 2.54 (.10) 0.51 (.020) 2.31 (.091) 4.09 (.161) 0.64 (.025) 10.16 (.40) 8.03 (.316) .51 .127 (.020 .005) tube length - 525mm. units packaged 100 pieces per tube. 8.18 .254 (.322 .010) 3.68 .254 (.145 .010) 7743 j&g 7743 j 7743 g 7743 h reflow soldering profile temperature ( c) time (seconds) 275 30-40 sec. 120 c 225 175 125 75 25 0 20 40 60 80 100 120 140 160 180 200 80-90 sec. 10-15 sec. 35-60 sec. 180 c 240 c rev. 10/02
|
