Ep0 Series
Sealed Tiny Pushbutton Switches

Pushbutton EP product image

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

The EP series of sealed tiny pushbutton switches from C&K are selected to power applications in the telecommunications and networking industry. The EP’s snap-fitting actuator accepts standard caps, and is sealed to protect against solder and cleaning processes – helping ensure it can withstand any harsh environment. Available in thru-hole and surface mount models, C&K’s EP switches are also RoHS compliant.

Features and Benefits

  • Snap-fitting actuator accepts standard caps
  • Sealed against solder & cleaning processes
  • Thru-hole and surface mount models

Typical Applications

  • Telecommunications & networking equipment
  • Instrumentation & controls
  • Computers & peripherals


  • Contact Rating:

    Gold contact material: 0.4 VA max. @ 20 V AC or DC max. See datasheet for additional ratings

  • Contact Resistance:

    Below 20 milliohms typ. initial @ 2-4 V DC, 100 mA, for both silver and gold plated contacts

  • Electrical Life:

    EP11, EP21 models: 60,000 make-and-break cycles at full load. EP12 models: 30,000 cycles

  • Solderability:

    Per MIL-STD-202F method 208D, or EIA RS-186E method 9 (1 hour steam aging)

  • Dielectric Strength:

    1,000 Vrms min. @ sea level

  • Insulation Resistance:

    10⁹ ohms min.

  • Operating Temperature:

    –30ºC to 85ºC

  • Certifications:

    models available


  • Most Common:


  • Current Rating:

    0.4VA (AC/DC)

  • Circuit:


  • Mounting Type:

    Thru-hole, Right Angle, Vertical

  • Sealing:

    Sealed - IP57

  • Illumination:


  • Switch Function:


  • Electrical Life Cycles:


  • Voltage Rating - AC:


  • Voltage Rating - DC:


  • Actuator Type:

    Plunger for Cap

  • Color - Actuator/Cap:


  • Illumination Type, Color:

  • Illumination Voltage (Nominal):

  • Termination Style:

    Surface Mount, Right Angle

  • Additional Features:

    Epoxy Sealed Terminals

  • Panel Cutout Dimensions:

  • Packaging: