144 switches stjn-5 ?smd thin tact switch features thin 5 mm square smd three different operating forces 0.8 mm height without knob (1.5 mm with knob) compatible with surface mount reflow soldering processes rohs compliant ? product dimensions specifications are subject to change without notice. ? rohs directive 2002/95/ec jan 27 2003 including annex. customers should verify actual device performance in their specific applications. rev 09/04 electrical characteristics max. power rating....12 vdc max., 50 ma contact resistance .....100 milliohms max. insulation resistance ..................100 megohms min., 100 vdc dielectric strength...ac 250 v for 1 minute bounce on ............................................3 ms max. off ..........................................10 ms max. circuit ........................................n.o. spst mechanical characteristics mechanical life 100 gf + 160 gf.........500,000 cycles min. 260 gf .......................200,000 cycles min. actuation force ....................100 gf ?0 gf (1.0 n ?.5 n) ....................160 gf ?0 gf (1.6 n ?.5 n) ...................260 gf ?0 gf (2.6 n 0.6 n) stroke........................0.25 mm +0.10/-0.20 general characteristics switch type .............................(n.o.) spst operating temperature range ......................................-20 ? to +70 ? storage temperature range ......................................-40 ? to +85 ? stjn-508 4.5 (.177) 4.9 (.193) 3.2 (.126) dia. 3.7 (.146) 1.2 (.047) 4.5 (.177) 4.9 (.193) 2 4 1 3 0.2 (.007) 0.3 (.012) 2.5 (.098) 5 0.5 (.197 .020) 0.05 (.002) 0.45 (.018) 0.8 (.031) 0.4 (.016) recommended pcb layout recommended pcb layout 1.0 (.040) 3.4 (.134) 5.4 (.213) 3.1 (.122) 4.3 (.169) 4.6 (.181) 5.5 (.217) circuit diagram circuit diagram 12 34 dimensions: mm/(inches) tolerances: .38/(.015) except where noted stjn-515 4.5 (.177) 4.9 (.193) 2.4 (.094) dia. 3.2 (.126) dia. 4.4 (.173) dia. 4.0 (.157) dia. 3.7 (.146) 1.2 (.047) 4.5 (.177) 4.9 (.193) 2 4 1 3 0.2 (.007) 0.3 (.012) 2.5 (.098) 3.3 (.130) 3.4 (.134) 5.0 0.5 (.197 .020) 0.05 (.002) 0.45 (.018) 0.8 (.031) 0.4 (.016) 1.2 (.047) 1.5 +0.2 / -0.1 (.059 +.008 / -.004) 1.0 (.040) 3.4 (.134) 5.4 (.213) 3.1 (.122) 4.3 (.169) 4.6 (.181) 5.5 (.217) 12 34 how to order stj n - 5 08 - n tr model thin smd tact switch product code n = non-washable size -5 = 5 mm height 08 = 0.8 mm (without knob) 15 = 1.5 mm (with knob) actuating force -k = 100 gf (1.0 n) -n = 160 gf (1.6 n) -r = 260 gf (2.6 n) packaging option tr = embossed tape 5,000 pcs./reel 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
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