Custom 1*4 3*4 4*4 4*5 Matrix Array/Matrix Keyboard 16 Key Membrane Switch Keypad for arduino 1x4 3x4 4x4 4x5

1*4 3*4 4*4 4*5 Matrix Array/Matrix Keyboard

4* 4/1 * 4/3 * 4/4 *5 package of membrane management
Product parameter
Category: PET silver paste printed circuit
Circuit class :35V 0C), 100mA, 1V
Standard square resistance :≤50mQ/O/mil
Electronic property
Contact resistance :10-500Q(varies with lead length and material)
Insulation impedance :100MQ 100V
Medium voltage :250VRms (50-60Hz1min)
Contact jitter time :≤5ms
Mechanical characteristic
Operating pressure: Metal shrapnel type 220-350g
Switch stroke: metal shrapnel type 0.6-0.8mm
Storage temperature :+15C-35C
Storage humidity 70%-90%
Environmental parameter
Test temperature :-0C +60C 16H
Test humidity :70%-90%
Vibration :20G' smsx. (10-200HZ, MIL-STD-202, M204 Condition B)
Material characteristics
Line thickness :≤0.1310M
Service life: film key type within 500,000 times