PL IA NT Features S CO M ■ *R oH ■ ■ ■ 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 Model STJN-5 is currently available, although not recommended for new designs. ■ RoHS compliant* STJN-5 SMD Thin Tact Switch 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 ±50 gf (1.0 N ±0.5 N) ..................160 gf ±50 gf (1.6 N ±0.5 N) .................260 gf ±60 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 °C to +70 °C Storage Temperature Range ....................................-40 °C to +85 °C Product Dimensions STJN-508 1.2 (.047) 4.5 (.177) 3.7 (.146) 4.9 (.193) STJN-515 4.9 (.193) 4.5 (.177) 4.9 (.193) 4.5 (.177) 1.2 (.047) 1 2 3 4 4.5 (.177) 3.7 (.146) 4.9 (.193) 4.0 (.157) DIA. 1 2 3 4 3.2 (.126) DIA. 0.8 (.031) 0.05 0.45 (.002) (.018) 1.2 (.047) 5.4 (.213) 3.4 (.134) 1.0 (.040) 0.3 (.012) 2.5 (.098) 5.0 ± 0.5 (.197 ± .020) 5.4 (.213) 4.6 (.181) 3.1 (.122) How to Order 0.2 (.007) 0.45 (.018) Recommended PCB Layout 5.5 (.217) 4.3 (.169) 0.05 (.002) 1.5 +0.2 / -0.1 (.059 +.008 / -.004) Recommended PCB Layout 3.2 (.126) DIA. 2.4 (.094) DIA. 0.4 (.016) 0.3 (.012) 2.5 (.098) 5 ± 0.5 (.197 ± .020) 3.3 (.130) 3.4 (.134) 0.8 (.031) 0.2 (.007) 0.4 (.016) 4.4 (.173) DIA. 3.4 (.134) 4.3 (.169) 1.0 (.040) 3.1 (.122) 5.5 (.217) 4.6 (.181) STJ N - 5 08 - N TR Model Thin SMD Tact Switch Product Code N = Non-washable Circuit Diagram Size 5 = 5 mm Height 08 = 0.8 mm (without knob) 15 = 1.5 mm (with knob) Circuit Diagram 1 2 3 4 Actuating Force K = 100 gf (1.0 N) N = 160 gf (1.6 N) R = 260 gf (2.6 N) 2 3 4 Reflow Soldering Profile 275 TOLERANCES: ±.38 EXCEPT WHERE NOTED. MM DIMENSIONS: (IN) 240 °C 225 Temperature (°C) Packaging TR = Embossed Tape 5,000 pcs./reel 1 180 °C 175 10-15 Sec. 80-90 Sec. 125 120 °C 75 30-40 Sec. 25 REV. 02/06 *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. 0 20 40 60 35-60 Sec. 80 100 120 140 160 180 200 Time (Seconds)