Omron Electronic Components B3F-1000 Switch, Tactile, Spst-No, 50mA, Without ground terminal , Though Hole Miniature, Space-Saving Tactile Switch Provides Long Service Life and Easy Mounting • Extended mechanical/electrical service life: 10 x 106 operations for 12 x 12 mm type and 1 x 106 operations for the 6 x 6 mm type • Ideal for applications such as audio, office and communications equipment, measuring instruments, TVs, VCRs, etc. • Taped radial type, vertical type and high force types are available as series versions • Flux-tight base structure allows automatic soldering of the tactile switches onto a PC board • Gold plated models available for increased contact reliability, resistance to corrosive gas and insulation fault prevention for ion migration in harsh environments • RoHS Compliant Switch height x pitch: 4.3 x 6.5 mm General-purpose: 100 g 150 g Rated Resistive Load - Switch: 1 to 50 mA, 5 to 24 VDC Actuator types : Top Actuated Contact form: SPSTNO Operating Force: 100g Seal type: Unsealed Termination Style: ThroughHole PCB - Straight Service Life - Electrical (Min. @ Rated Loads): 1,000,000 ops. Weight (see note 2) Approx. 0.25 g Switching capacity 1 to 50 mA, 5 to 24 VDC (resistive load) Contact resistance 100 M? max. (Initial Value, Rated: 1mA, 5VDC) Insulation resistance 100 M? min. (at 250 VDC) Dielectric strength 500 VAC, 50/60 Hz for 1 minute Bounce time 5 ms max. Vibration Malfunction durability: 10 to 55 Hz, 1.5 mm double amplitude Shock Mechanical durability: 1,000 m/s2 (approx. 100 G) Malfunction durability: 100 m/s2 (approx. 10 G) Ambient temperature -25 to 70C (with no icing) Humidity 35% to 85% RH PCB Layout: 2 legs spaced 4.5mm center to center 2 Legs spaced 6.5 mm