myMectronic
myMectronic

A Premier B2B Part Search

C&K COMPONENTS 8121LY4ZGE Snap-acting Pushbutton Switch

The C&K COMPONENTS 8121LY4ZGE is a versatile snap-acting momentary pushbutton switch suitable for a range of applications including instrumentation, computer peripherals, and telecommunications equipment. It offers a positive tactile feel, multi-position availability, and a wide variety of termination options to meet diverse design requirements. The switch is RoHS compliant and features an epoxy terminal seal compatible with bottom wash cleaning methods, ensuring durability and ease of integration into various systems. Constructed with glass-filled nylon or diallyl phthalate (DAP) case and brass or zinc nickel-plated bushing, this switch provides robust performance and long-term reliability.

Authorized Distributors
Source:DigiKey
Part No:8121LY4ZGE
Stock:77
Inv Date:06-15-2026
Price: Unit price: $15.48
Buy/RFQ:
Part No:8121LY4ZGE
Stock:0
Inv Date:06-16-2026
Price: Unit price: $11.52
Buy/RFQ:
Part No:8121LY4ZGE
Stock:0
Inv Date:06-15-2026
Price: Unit price: $13.98
Buy/RFQ:
Part No:8121LY4ZGE
Stock:90
Inv Date:06-15-2026
Price: Unit price: $14.01
Buy/RFQ:
Part No:8121LY4ZGE
Stock:90
Inv Date:06-15-2026
Price: Unit price: $14.01
Buy/RFQ:

C&K COMPONENTS 8121LY4ZGE Snap-acting Pushbutton Switch Specifications:

  • Contact Rating: 0.4 VA max. @ 20 V AC or DC (B contact material), 1 AMP @ 120 V AC or 28 V DC (G contact material)
  • Electrical Life: 60,000 make-and-break cycles at full load
  • Contact Resistance: Below 50 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 75ºC (8X2X models), -30ºC to 65ºC (U8X1 models)
  • Cap Installation Force: 10 lbs. max. permissible
  • Solderability: Per MIL-STD-202F method 208D or EIA RS-186E method 9
  • Case Material: Glass filled nylon 6/6 or diallyl phthalate (DAP), flame retardant (UL 94V-0)
  • Plunger Material: Glass filled nylon or glass filled polyester (PBT) (UL 94V-0)
  • Cap and Frame Material: Nylon, black
  • Bushing Material: Brass or zinc, nickel plated
  • Housing Material: Stainless steel
  • Switch Support Material: Brass or steel, matte-tin plated
  • Contact Material (8X21, U8X1): Coin silver, with gold plate over nickel plate
  • Contact Material (8X25): Copper alloy, with gold plate over nickel plate
  • Terminal Seal Material: Epoxy

Buy the 8121LY4ZGE C&K COMPONENTS Snap-acting Pushbutton Switch | myMectronic

Securely purchase the C&K COMPONENTS 8121LY4ZGE momentary pushbutton switch online today.

Buy Now

Frequently Asked Questions

Where can I buy C&K COMPONENTS 8121LY4ZGE?

You can click on the BUY or RFQ button to purchase 8121LY4ZGE from an authorized C&K COMPONENTS distributor.

How do I troubleshoot issues or seek technical support for part 8121LY4ZGE?

You can download the 8121LY4ZGE datasheet or visit the C&K COMPONENTS website for support.

Who is the manufacturer of 8121LY4ZGE?

C&K COMPONENTS

C&K COMPONENTS Part List

Browse and search other C&K COMPONENTS parts, locate datasheets and stock

Sponsored by