MaiTech 1 x 4 Digital Matrix Membrane Switch / Positive Connection Matrix Keyboard - Black + Blue
Positive connection 1 * 4 digital matrix membrane switch Panel Size: 70 * 20MM 110MM Length Circuit level: 3.5VDC 100mA 1W Standard sheet resistance: <1Ω Contact resistance: <1Ω Insulation resistance: 150MΩ 100V Dielectric withstanding voltage: 250V Rms (50-60Hz 1min) Contact Bounce: ≤ 3ms Storage temperature: +15 ° ~ +35 ° Storage humidity: 70% ~ 90% Test temperature: -10 ° ~ +70 ° 32H Test Humidity: 90% 32H Vibration: 20G's msx (10-200Hz MIL-STD-202 M204 Condition) Line thickness: ≤ 0.13mm Life: 500000 times or more