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E121SD3V4GE
E0200 Series
Sealed Snap-acting Momentary Pushbutton Switches

Pushbutton E020 product image

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

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C&K’s E020 series are sealed snap-acting momentary pushbutton switches, built for use in instrumentation and the networking and telecommunications industries. The E020 features a long-life contact design and is process-sealed with a disposable, splash proof boot. The switches also come with an optional snap-fitting plunger.

Features and Benefits

  • Process sealed with disposable splashproof boot
  • Snap-fitting plunger available
  • Long life contact design

Typical Applications

  • Telecommunications & networking equipment
  • Computers & peripherals
  • Instrumentation

Specifications

  • Contact Rating:

    Gold contact material (EX25 Models): 0.4 VA max. @ 20 V AC or DC max. Gold over silver contact material (EX21 Models): 1 A @ 120 V AC or 28 V DC or 0.4 VA max. @ 20 V AC or DC max. See datasheet for additional ratings

  • Contact Resistance:

    Below 50 milliohms typ. initial @ 2-4 V DC, 100 mA, for both silver and gold plated contacts

  • Solderability:

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

  • Electrical Life:

    60,000 make-and-break cycles at full load

  • Dielectric Strength:

    1,000 Vrms min. @ sea level

  • Insulation Resistance:

    10⁹ ohms min.

  • Operating Temperature:

    –30ºC to 75ºC

  • Certifications:

    models available

E121SD3V4GE

  • Most Common:

    No

  • Current Rating:

    1A (AC/DC)

  • Circuit:

    SPDT

  • Mounting Type:

    Thru-hole

  • Sealing:

    Unsealed

  • Illumination:

    No/None

  • Switch Function:

    On-Mom

  • Electrical Life Cycles:

    60,000

  • Voltage Rating - AC:

    120V

  • Voltage Rating - DC:

    28V

  • Actuator Type:

    Round, Plunger

  • Color - Actuator/Cap:

    White

  • Illumination Type, Color:

  • Illumination Voltage (Nominal):

  • Termination Style:

    Thru-hole

  • Additional Features:

    Process Sealed

  • Panel Cutout Dimensions:

  • Packaging:

    Bulk