Membrane keypad switch is a conductive keypad with unique exterior design. Materials such as TPU, PC and PET are used for your options. TPU is a green friendly material which does not cause any damage to human body or the environment. Membrane switches mostly apply to Information Appliance, Humanity machine interface (HMI), Remote Controller, Medical Device, Home Appliance, Handheld Device, Industrial Personal Computer (IPC), etc. We offer full range designs for your membrane keyboard switch, such as circuit layout, overlay grapic etc.
Maximum Circuit Rating: 35V( DC)100mA 1W
Contact Resistance: 10Ω~500Ω (Depending on trace length & material used).
Insulation Resistance: 100MΩ at 100V DC
Dielectric Withstand: 250 V Rms (50~60 Hz 1 min.)
Contact Bounce: 5ms
Life Expectancy: Flat type ≧ 5 million closures
Mylar type ≧ 2 million closures
Metal type ≧ 1 million closures
Actuation Force: Flat type = 60 to 300 g (2 to 10 oz)
Tactile type = 180 to 400 g (6 to 14 oz)
Switch Stroke: Flat type = 0.1 to 0.5mm
Tactile type = 0.6 to 1.5mm
Operation Temperature: Flat/Metal dome: -40 °C to +80 °C
Poly dome: -20 °C to +55 °C
Storage Temperature: Flat/Metal dome: -40 °C to +85 °C
Poly dome: -40 °C to +60 °C
Humidity: 40 °C , 90% ~ 95% for 240 hours
Vibration: 20 G's0 max
(10-200 Hz、MIL-STD-202、M204、Condition B)