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STJN-405-PTR Datasheet(PDF) 1 Page - Bourns Electronic Solutions |
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STJN-405-PTR Datasheet(HTML) 1 Page - Bourns Electronic Solutions |
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1 / 1 page *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. STJN-4 SMD Super-Thin Tact Switch Features ■ Super-thin 4.5 mm square SMD ■ Two different operating forces ■ 0.55 mm height without knob ■ Compatible with surface mount reflow soldering processes ■ RoHS compliant* Electrical Characteristics Max. Power Rating 12 VDC max., 20 mA Contact Resistance ...............................100 milliohms max. Insulation Resistance ................50 megohms min., 100 VDC Dielectric Strength ...........................AC 100 V for 1 minute Bounce On .........................................3 ms max. Off .......................................10 ms max. Circuit ....................................N.O. SPST Mechanical Characteristics Mechanical Life .........50,000 cycles min. Actuation Force ..................160 gf ±50 gf (1.6 N ±0.5 N) .................240 gf ±60 gf (2.4 N ± 0.6 N) Stroke ..........................0.2 mm ±0.1 mm 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 Recommended PCB Layout Circuit Diagram 2 4 1 3 0.6 (.024) 2.8 (.110) 4.3 (.169) 4.50 + 0.25 / - 0.15 (.177 + .010 / - 0.06) 4.3 (.169) 2.6 (.102) 4.5 (.177) 0.35 (.014) 0.45 + 0.15 / -0.10 (.018 + .006 / - .004) 0.55 + 0.15 / - 0.10 (.022 + .006 / - .004) 3.7 (.146) 12 34 3.0 (.118) 4.8 (.189) 2.85 (.112) 4.85 (.191) 12 3 4 How to Order STJ N - 4 05 - N TR Model Thin SMD Tact Switch Product Code N = Non-washable Size 4 = 4.5 mm Height 05 = 0.55 mm (without knob) Actuating Force N = 160 gf (1.6 N) P = 240 gf (2.4 N) Packaging TR = Embossed Tape 10,000 pcs./reel Reflow Soldering Profile 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. 02/06 DIMENSIONS: MM (IN) Model STJN-4 is currently available, although not recommended for new designs. |
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