1*4 Matrix membrane switch with FPC circuit Single chip microcomputer extended keyboard Precise and professional made, stable performance Pad Size: 68*20mm
3x4 matrix keyboard:Total Length: 107mm
Pad Size: 69.2 x 76.9 x 0.8mm
Cable Length: 3-1/3" or 86mm (include connector)
Connector: Dupont 7 pins, 0.1" (2.54mm) Pitch
Mount Style: Self-Adherence
Max. Circuit Rating: 35VDC, 100mA
Insulation Spec.: 100M Ohm, 100V
Dielectric Withstand: 250VRms (60Hz, 1min)
Contact Bounce: <=5ms
Life Expectancy: 1 million closures
Operation Temperature: -20 to +40 °C
4x4 matrix keyboard:
Contact resistance of 500 ()
Insulation resistance 100M ()
Key Operating Force 150-200N
Rebound time 1 (ms)
Life of 100 million (times)
Operating Temperature 60 ()
1, the electronic characteristics
Circuit Rating: 35V (DC), 100mA, 1W
Contact resistance: 10 ~ 500
(Varies according to the lead lengths and different from those of the material used)