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C&K COMPONENTS EP21SD1ABE Tiny Sealed Pushbutton

The EP21SD1ABE is a sealed tiny pushbutton switch designed for applications requiring durability and environmental resistance. Featuring a compact design, it offers a momentary, single-pole, single-throw (SPST) configuration suitable for telecommunications, networking, and instrumentation. The switch has an epoxy-sealed construction, high-temperature nylon case, and gold-plated contacts for reliable performance. It supports RoHS compliance, with a degree of protection IP57, making it resistant to dust and temporary immersion. Ideal for use in control panels and electronic devices where space and protection are critical.

Authorized Distributors
Source:Newark
Part No:EP21SD1ABE
Stock:9
Inv Date:06-15-2026
Price: Unit price: $3.58
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Source:DigiKey
Part No:EP21SD1ABE
Stock:102
Inv Date:06-15-2026
Price: Unit price: $17.28
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Part No:EP21SD1ABE
Stock:0
Inv Date:06-16-2026
Price: Unit price: $15.48
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Part No:EP21SD1ABE
Stock:0
Inv Date:06-15-2026
Price: Unit price: $15.37
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Part No:EP21SD1ABE
Stock:725
Inv Date:06-15-2026
Price: Unit price: $10.85
Buy/RFQ:
Part No:EP21SD1ABE
Stock:725
Inv Date:06-15-2026
Price: Unit price: $10.85
Buy/RFQ:
Part No:EP21SD1ABE
Stock:110
Inv Date:06-15-2026
Price: Unit price: $10.94
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C&K COMPONENTS EP21SD1ABE Tiny Sealed Pushbutton Specifications:

  • CONTACT RATING: 0.4 VA max. @ 20 V AC or DC
  • ELECTRICAL LIFE: 60,000 cycles (EP11, EP21 models), 30,000 cycles (EP12 models)
  • CONTACT RESISTANCE: Below 20 mΩ initial @ 2-4 V DC, 100 mA
  • INSULATION RESISTANCE: 10^9 Ω min.
  • DIELECTRIC STRENGTH: 1000 V rms min. @ sea level
  • OPERATING TEMPERATURE: -30°C to 85°C
  • DURABILITY: Sealed against dust and temporary immersion (IP57)
  • MATERIAL: High-temp glass filled nylon case, thermoplastic polyester or nylon plunger, copper alloy contacts with gold or matte-tin plating
  • MOUNTING: Thru-hole or surface mount, tape & reel packaging
  • CERTIFICATIONS: RoHS compliant, UL 94V-0 flame retardant

Buy the CK Series Tiny Pushbutton Switch: EP21SD1ABE

Experience reliable operation with the CK EP21SD1ABE tiny sealed pushbutton switch. Designed for durability in tough environments, it features epoxy sealing, gold-plated contacts, and an IP57 rating that ensures dust protection and temporary immersion resistance. Ideal for telecommunications, instrumentation, and control panels, this switch supports high-temperature nylon construction and RoHS compliance. Easy to mount via thru-hole or surface mount, it guarantees performance and longevity, making it a smart choice for engineers and technicians seeking compact, environmentally resilient switching solutions.

Get CK EP21SD1ABE today—built for precision, environmental resistance, and long-lasting durability.

Frequently Asked Questions

Where can I buy C&K COMPONENTS EP21SD1ABE?

You can click on the BUY or RFQ button to purchase EP21SD1ABE from an authorized C&K COMPONENTS distributor.

How do I troubleshoot issues or seek technical support for part EP21SD1ABE?

You can download the EP21SD1ABE datasheet or visit the C&K COMPONENTS website for support.

Who is the manufacturer of EP21SD1ABE?

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