Tact Switches   Model 1101E       Features & Benefits: Single pole, single throw momentary contact In-line gull wing surface mount terminals Life: 50,000 cycles   Options Model 1101E - Knob (L) 4.3 Model 1101EA - Knob (L) 5.0 General Specifications   Rating: 50mA 12V DC (Resistive Load)   Electrical Performance Item Test Condition Performance Contact Resistance: 1A 5V DC 100mW Max. Insulation Resistance: 100V DC for 1 minute 100MW Min. Withstanding Voltage: 250V AC for 1 minute Shall be free from dielectric breakage   Mechanical Performance Item Test Condition Performance Operating Force: 130, 160±30gf or 250±50gf   Stop Strength: 3kgf for 3 seconds No deformation and mechanical problem found Bounce: The key shall be struck lightly at it's center at a uniform cycling rate of 3 operations per second     Endurance Item Test Condition Performance Life Test: 2 – 3 cycles/second with 5V DC 5mA. Contact Resistance: 100mW Max. Operating Force: ± 30% initial value. Insulation Resistance: 10m W Min. Dry Heat Test: 80°C ± 2°C for 96 hours after test, kept in normal condition for 1 hour. Meets or exceeds original specification Moisture Resistance: 60°C ± 2°C 90 – 95% RH for 96 hours after test, kept in normal condition for 1 hour. Meets or exceeds original specification Cold Test: -30°C for 96 hours after test, kept in normal condition for 1 hour. Meets or exceeds original specification   Solder Heat Resistance & Auto Soldering 255°C for 5 Seconds