... Engineering and technical support Logistics services Language support Good operating Membrane switch specification: 1. Maximum Circuit Rating: 35VDC, 100mA, 1W 2 ... ~ +80 C deg 12. Humidity: 40 C deg, 90% ~ 95% for 240 hours 13. Life expectancy: A) Flat type: 5, 000 ... more B) Tactile type: 1, 000, 000 closures or more Membrane Keypad for electronics