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C&K COMPONENTS 8551TCQE2 Subminiature Pushbutton Switch

The C&K COMPONENTS 8551TCQE2 is a subminiature pushbutton switch offering a compact and reliable solution for a wide range of applications. It is designed with a reliable contact design and is RoHS compliant, making it suitable for environmentally conscious designs. Available with various actuator, plunger, cap, and frame color options, as well as different contact materials and termination types, the 8551TCQE2 can be tailored to meet specific requirements. It finds use in telecommunications equipment, computers, and peripherals.

Authorized Distributors
Source:DigiKey
Part No:8551TCQE2
Stock:0
Inv Date:06-15-2026
Price: Unit price: $7.64769
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Part No:8551TCQE2
Stock:0
Inv Date:06-16-2026
Price: Unit price: $7.64
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Part No:8551TCQE2
Stock:0
Inv Date:06-15-2026
Price: Unit price: $9.37
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Part No:8551TCQE2
Stock:40
Inv Date:06-15-2026
Price: Unit price: $6.01
Buy/RFQ:
Part No:8551TCQE2
Stock:40
Inv Date:06-15-2026
Price: Unit price: $6.01
Buy/RFQ:
Part No:8551TCQE2
Stock:6
Inv Date:06-16-2026
Price: N/A
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C&K COMPONENTS 8551TCQE2 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
  • electrical_life: 250,000 actuations at full load (853X Models); 10,000 actuations at full load (855X Models)
  • contact_resistance: Below 30 mΩ typ. initial @ 2-4 V DC, 100 mA
  • insulation_resistance: 10[9] Ω min.
  • dielectric_strength: 1,000 Vrms min. @ sea level
  • operating_temperature: -30ºC to 65ºC
  • torque_specs: 15/32” bushings - 50 in. lbs max; 1/4 -40 bushing types - 12 in. lbs max
  • terminal_seal: Epoxy
  • hardware_material: Brass, nickel plated (nut); Steel, bright nickel plated (lockwasher)

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Frequently Asked Questions

Where can I buy C&K COMPONENTS 8551TCQE2?

You can click on the BUY or RFQ button to purchase 8551TCQE2 from an authorized C&K COMPONENTS distributor.

How do I troubleshoot issues or seek technical support for part 8551TCQE2?

You can download the 8551TCQE2 datasheet or visit the C&K COMPONENTS website for support.

Who is the manufacturer of 8551TCQE2?

C&K COMPONENTS

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