PL IA NT Features The STS Series is currently available, although not recommended for new designs. Available sharp click feel with a positive tactile feedback ■ Ultraminiature and lightweight structure suitable for high density mounting ■ Economical ■ Reliable ■ RoHS compliant* *R oH S CO M ■ STS Series - Ultraminiature Tactile Switch Electrical Characteristics Electrical Life ................50,000 Cycles for 160 gf, 320 gf Rating...................................50 mA, 12 VDC Contact Resistance.................100 mΩ max. Insulation Resistance ...........................100 MΩ min. @ 500 VDC Dielectric Strength ...........250 VAC/1 minute Contact Arrangement ..........................SPST Product Dimensions STSM STSG 6.0 (.236) 6.0 (.236) 3.5 (.138) 3.5 (.138) Environmental Characteristics Operation Temperature Range ........................................-25 °C to +70 °C Storage Temperature Range ........................................-30 °C to +80 °C Vibration Test MIL-STD-202F Method 201A Frequency ...............10-55-10 Hz/1 minute Directions ...........X,Y,Z, three mutually perpendicular directions Time ..........................2 hours each direction Shock Test MIL-STD-202F Method 213B Condition A Gravity ............50 G (peak value), 11 msec Direction and Times ....6 sides and 3 times in each direction 3.0 (.118) H ± 0.2 (H ± .008) 3.5 (.138) 7.2 (.283) 9.0 (.354) 1.5 (.059) 1.5 (.059) 0.05 MAX. (0.002) 0.05 MAX. (0.002) 1.0 (.039) Cover Materials.....................Stainless Steel Base Materials .....................UL94V-0 Nylon Thermoplastic Actuator ...............................UL94V-0 Nylon High-Temperature Thermoplastic Contact Disc .........................Stainless steel with silver cladding Terminals .............Brass with silver cladding STS M - 3 1 - S TR 0.5 MAX. (.020) H ± 0.2 (H ± .008) 3.5 (.138) 0.9 (.035) Physical Characteristics How to Order 3.0 (.118) 0.5 MAX. (.020) 1.0 (.039) PCB LAYOUT PCB LAYOUT 7.4 (.291) 9.5 (.374) 3.4 (.134) 6.4 (.252) 1.6 (.063) 1.6 (.063) Reflow Soldering Profile Circuit Diagram Model Product Size 3 = 3.5 mm wide x 6 mm long Height 1 = 4.3 mm 2 = 5.0 mm Color of Stem for Actuating Force N = Brown, 160 g R = Red, 260 g S = Salmon, 320 g Y = Yellow, 520 g T1 1-cycle reflow Max. 255 250 230 Temp. (°C) Style M = Surface Mount “J” Style G = Surface Mount “G” Style H = Through-hole “H” Style T2 TOLERANCES: ± 0.2 (.008) DIMENSIONS ARE: MM (INCHES) 5-10 Sec. 150 Room Temp. 120-150 Sec. 60 Sec. Max. Time Packaging Option __ = Std. Packaging - 135 pcs./tube TR = Tape & Reel Packaging 31 - 1800 pcs./reel (STSM & STSG only) 32 - 1600 pcs./reel (STSM & STSG only) *RoHS Directive 2002/95/EC Jan 27 2003 including Annex. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. STS Series - Ultraminiature Tactile Switch Product Dimensions Packaging Specifications STSH STSH STSG STSM 6.0 (.236) STS_-31: 4.5 ± 0.10 (0.18 ± .004) 3.5 (.138) T: 0.5 ± 0.05 (0.02 ± .002) 5° 0.5 (.020) MAX. H ± 0.2 (H ± .008) 3.5 (.138) 0.25 (.010) 16.0 ± 0.3 (0.63 ± .012) 7.5 ± 0.10 (0.30 ± .004) 1.75 ± 0.10 (0.07 ± .004) R 1.50 ± 0.10 DIA. (0.06 ± .004) 1.50 +.10/-.00 DIA. (.059 +.004./-.00) 6.5 ± 0.5 (.256 ± 0.20) 3.5 ± 0.5 (.138 ± 0.20) 7.9 ± 0.5 (.311 ± 0.20) 8.00 ± 0.10 (0.31 ± .004) 1.5 (.059) 3.80 ± 0.10 (0.15 ± .004) 2.0 ± 0.10 (0.08 ± .004) 4.0 ± 0.10 (0.16 ± .004) 2.50 (0.10) 1.0 (.039) 6.50 (0.26) 9.50 ± 0.10 (0.37 ± .004) PCB LAYOUT 6.5 ± 0.10 (.256 ± .004) DIA. 1.3 ± 0.05 2 PLCS. (.051 ± .002) TOLERANCES: ± 0.2 (.008) DIMENSIONS ARE: 4.40 +0.0/-0.20 (0.17 +0.0/-.008) 9.50 (0.37) 3.0 (.118) 1.80 +0/-0.3 (.071 +0/.020) STS_-32: 5.2 ± 0.10 (0.20 ± .004) 6.80 ± 0.10 (0.27 ± .004) MM (INCHES) REV. 02/06 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. 0.60 2 PLCS. (0.024) 5.60 +0.20/-0.0 (0.22 +.008/-0.0) 5.45 (0.21) 0.10 (0.004) 18 PLCS. 0.60 R (0.024) 10 PLCS. 4.50 +0.0/-0.20 (0.18 +0.0/-.008) 1.5 ° 1.55 ± 0.10 (0.06 ± .004) 4.30 +0.20/-0.0 (0.17 +.008/-0.0) 10.0 +0.20/-0.0 (0.39 +.008/-0.0)