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C&K COMPONENTS 8551MZQE2 Subminiature Pushbutton Switch

The C&K COMPONENTS 8551MZQE2 is a subminiature pushbutton switch suitable for telecommunications, computers, and peripherals. It offers pre-travel or over-travel models and boasts a reliable contact design. Constructed with glass-filled phenolic or diallyl phthalate case, phenolic or glass-filled polyester plunger, and brass, nickel-plated bushings, this switch ensures durability and performance. It is RoHS compliant and available with various options for actuators, plungers, and terminations to cater to diverse industrial needs.

Authorized Distributors
Source:DigiKey
Part No:8551MZQE2
Stock:0
Inv Date:06-15-2026
Price: Unit price: $10.32
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Part No:8551MZQE2
Stock:0
Inv Date:06-16-2026
Price: Unit price: $8.61
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Part No:8551MZQE2
Stock:0
Inv Date:06-15-2026
Price: Unit price: $10.4
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Part No:8551MZQE2
Stock:0
Inv Date:06-15-2026
Price: Unit price: $5.49
Buy/RFQ:
Part No:8551MZQE2
Stock:0
Inv Date:06-15-2026
Price: Unit price: $5.49
Buy/RFQ:
Part No:8551MZQE2
Stock:0
Inv Date:06-15-2026
Price: Unit price: $6.04
Buy/RFQ:

C&K COMPONENTS 8551MZQE2 Subminiature Pushbutton Switch Specifications:

  • Contact Rating: 1 AMP @ 120 V AC or 28 V DC (853X Models); 3 AMPS @ 120 V AC or 28 V DC (855X Models)
  • Case Material: Glass filled phenolic or diallyl phthalate (DAP) (UL 94V-0)
  • Plunger Material: Phenolic or glass filled polyester (UL94V-0)
  • Cap and Frame Material: Nylon, black
  • Electrical Life: 250,000 actuations at full load (853X Models); 10,000 actuations at full load (855X Models)
  • Bushing Material: Brass, nickel plated
  • Contact Material: Coin silver, silver plated (Q contact material)
  • Contact Resistance: Below 30 mΩ typ. initial @ 2-4 V DC, 100 mA
  • Insulation Resistance: 10[9] Ω min.
  • Terminal Material: Copper alloy, silver plated
  • Terminal Seal: Epoxy
  • Dielectric Strength: 1,000 Vrms min. @ sea level
  • Hardware Material: Brass, nickel plated (Nut); Steel, bright nickel plated (Lockwasher)
  • Operating Temperature: -30ºC to 65ºC
  • Torque Specs: 15/32” bushings - 50 in. lbs max; 1/4 -40 bushing types - 12 in. lbs max

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How do I troubleshoot issues or seek technical support for part 8551MZQE2?

You can download the 8551MZQE2 datasheet or visit the C&K COMPONENTS website for support.

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C&K COMPONENTS

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