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C&K COMPONENTS PTS125SK43LFS 12mm Tact Switch

The C&K PTS125SK43LFS is a 12mm tactile switch designed for momentary action applications. It boasts a stable control feeling and is RoHS compliant, ensuring environmental responsibility. With options for actuation force (160 or 260 grams) and actuator height, this switch is versatile for use in consumer products, instrumentation, computer products, and industrial settings. The switch features SPST contact arrangement and is designed for thru-hole actuation, providing reliable performance in a variety of environments. Its robust construction and silver-plated contacts ensure long-term durability and consistent operation.

Authorized Distributors
Source:Newark
Part No:PTS125SK43LFS
Stock:16000
Inv Date:06-15-2026
Price: Unit price: $0.34
Buy/RFQ:
Part No:PTS125SK43 LFS
Stock:0
Inv Date:06-15-2026
Price: Unit price: $0.3
Buy/RFQ:
Part No:PTS125SK43LFS
Stock:16000
Inv Date:06-15-2026
Price: Unit price: $0.3213
Buy/RFQ:
Part No:PTS125SK43LFS
Stock:16000
Inv Date:06-15-2026
Price: Unit price: $0.3213
Buy/RFQ:

C&K COMPONENTS PTS125SK43LFS 12mm Tact Switch Specifications:

  • Function: Momentary action
  • Contact Arrangement: SPST, N.O.
  • Terminals: PC pins
  • Actuation Force: 160 grams (PTS125M models), 260 grams (PTS125 K models)
  • Life Expectancy: 200,000 operations (M option), 100,000 operations (K option)
  • Operating Temperature: -40˚C to 60˚C
  • Soldering Temperature: 255˚C for 5 sec. max.
  • Contact Rating: 50 mA @ 12 V DC
  • Dielectric Strength: 250 V AC min.
  • Contact Resistance: 100 mΩ max. initial
  • Insulation Resistance: 10[11] Ω min.
  • Base Material: 6/6 nylon or glass filled polyester (PBT) (UL 94V-0)
  • Actuator Material: PBT (UL94V0) or polyacetal (UL 94HB)
  • Cover Plate Material: Tin alloy
  • Dome Contacts Material: Phosphor bronze, silver clad
  • Stationary Contacts Material: Brass, silver plated
  • Terminal Material: Brass, silver plated

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Frequently Asked Questions

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How do I troubleshoot issues or seek technical support for part PTS125SK43LFS?

You can download the PTS125SK43LFS datasheet or visit the C&K COMPONENTS website for support.

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