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MT25C Specifications

Full datasheet for the MT25C can be downloaded here:

MT25C Datasheet

Power requirements​

ParameterValue
Input power connectorUSB (Type B)
Input current (Maximum)200 mA
Input voltage5V ± 0.25 V
ProtectionESD on all connectors and all contacts

Operating conditions​

ParameterValue
Room Temperature10°C to 35°C
Relative humidity< 80% non condensing
Altitude< 2000m

Test system​

ParameterValue
Number of individual test points25
Maximum LED voltage drop3V
Contact resistance adjustementYes, from 1Ω to 100Ω
Contact switch detection times100ms typical (maximum 250ms) including communication delay via serial port
Capacitive switch detectionYes, accepts key capacitance from 1pF to 30pF
Capacitive switch calibration time1s typical (max 3 seconds). Needed once after insertion of new membrane keypad.
Capacitive switch detection times100ms typical (maximum 250ms) including communication delay via serial port

What's in the box​

  • MT25C device
  • 1M USB cable