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