User's Manual

4. ELECTRICAL REQUIREMENTS
4.1 Operating voltage range
DC 5V±0.25
4.2 Operating current
Max 100mA
4.3 Insulation resistance
More than 100M ohm at 250V DC
4.4 Contact resistance
2KΩor less
4.5 Chattering and bounce
Operation force shall be applied according to the normal operating method at 5V DC,
5mA.There shall be no bounce and chattering within 10msec when it is measured using
a specially prepared tester or a synchroscope.
※ Chattering and bounce are defined in the following diagram :
5. ENVIRONMENTAL REQUIREMENTS
The following specifications pertain to the keyboard assembly.
5.1 Operational ambient temperature and humidity
Temperature : 0 ~ 50℃
Humidity : 85%RH
5.2 Storage ambient temperature and humidity
Temperature : -20 ~ 60℃
Humidity : 95%RH
5.3 Shock
There shall be no abnormally in operation and appearance of the keyboard when an
impact of 10G has been applied to the package keyboard. The testing method shall
be in accordance with 213B of MIL-STD-202E
5.4 Vibration
The keyboard shall not be damaged electrically and mechanically when the following
vibration has been applied to the packaged keyboard. The testing method shall be in
accordance with 201A of MIL-STD-202E.
Frequency: 10~55Hz
Amplitude: 0.5mm
Direction of vibration: Direction X, Y and Z individually
Time of vibration: 2 hours