Keyswitch

MD Series
Sealed tact switch

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Image shown represents the product series and may not indicate the actual part number

Aircraft instruments and panels need to be reliable and long-lasting. That’s why so many designers in the industry turn to C&K’s MD series of short travel, self-cleaning keyswitches. Available in two actuator forces, the MD sealed tact switch series from C&K are built to give end-users an excellent tactile feel every time.

C&K’s entire line of keyswitches are built to support high-performance, environmentally demanding product designs. They all exhibit an excellent tactile feel with a consistent actuation force that lets the end-user know they’re using a quality product. C&K keyswitches are long-lasting and available in a variety of options, ensuring that innovative products in the automotive, medical, industrial electronics, audio and lighting industries have the innovative switches to match.

Features and Benefits

  • Short Travel
  • Self cleaning
  • Excellent tactile feel

Typical Applications

  • Aircraft instruments
  • Aircraft panels

Specifications

  • Contact Rating:

    Silver: 100mA Gold: 50mA

  • Insulation Resistance:

    > 10 megohms

  • Electrical Life:

    1,000,000 cycles

  • Contact Resistance:

    < 100 milliohms

  • Dielectric Strength:

    > 250 Vrms

  • Operating Temperature:

    -25°C to 70°C for silver version / -55°C to 85°C for gold version

  • Solderability:

    Hand soldering, 250°C for 3 seconds

= Most Common

Current Rating Circuit Mounting Type Sealing Illumination Switch Function Electrical Life Cycles Voltage Rating - AC Voltage Rating - DC Actuator Type Color - Actuator/Cap Illumination Type, Color Termination Style Packaging
100mA SPST-NO Thru-hole Sealed - IP50 None Off-Mom On 1,000,000 20V Soft Actuator Black Thru-hole Tray
50mA SPST-NO Thru-hole Sealed - IP50 None Off-Mom On 1,000,000 20V Soft Actuator Black Thru-hole Tray
100mA SPST-NO Thru-hole Sealed - IP50 None Off-Mom On 1,000,000 20V Soft Actuator Black Thru-hole Tray
50mA SPST-NO Thru-hole Sealed - IP50 None Off-Mom On 1,000,000 20V Soft Actuator Black Thru-hole Tray