کی پد ماتریسی 5×4 فلت دار

4 x 5 Matrix Array Keypad Keyboard 20 Key Membrane Switch Compatible with Arduino
Feature
Circuit Rating: 35V (DC), 100MA, 1W
Rebound time: 1 (ms)
Contact resistance: 10Ω-500Ω
Insulation resistance: 100MΩ 100V
Dielectric Withstanding Voltage: 250V Rms (50-60Hz 1 min)
Electric shock jitter: ≤ 5ms
Storage temperature: 15 ℃ -35 ℃
Storage humidity: 70% -90%
Test temperature: 0 ℃ -60 ℃ 16H
Test humidity: 90% 16H
Life: ≤500000 times
Size:85*73mm(L*W)