USB Mini Keyboard

Mechanical specifications - Total travel: 3.0 + 0.4mm - Initial actuating force: 25cn min - Operating force: 55 + 5 cn - Function: normally open contact - Electrical specifications - Insulation resistance: 100m ohm at 100v dc - Contact bounce: 5ms max - Operation voltage: +5v dc + 10% - Operation current: 250ma max. at +5v dc environmental - Storage temperature: -20 c~+70 c - Operating temperature: - 10 c~+60 c - Humidity: 30%-95% rh with non -coagulation