STJN-4 BOURNS | Alldatasheet
Document overview
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Technical content
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 Insulation Resistance Dielectric Strength Bounce Mechanical Characteristics Actuation Force General Characteristics Operating Temperature Range Storage Temperature Range Product Dimensions Recommended PCB Layout Circuit Diagram 0.6 (.024) 2.8 (.110) 4.3 (.169) 4.3 (.169) 2.6 (.102) 4.5 (.177) 0.35 (.014) 3.7 (.146) 3.0 (.118) 4.8 (.189) 2.85 (.112) 4.85 (.191) 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 ProfileTemperature (°C) Time (Seconds) 275 30-40 Sec. 120 °C 225 175 125 250 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) *RoHS COMPLIANT Model STJN-4 is currently available, although not recommended for new designs.