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C&K COMPONENTS PTS635SL43LFS 3.5mm Tact Switch

The C&K PTS635SL43LFS is a 3.5mm tactile pushbutton switch designed for a wide range of applications. Its compact size, variety of switch heights, and choice of actuation force (130 grams or 200 grams) make it versatile for consumer products, instrumentation, computer products, and industrial equipment. The switch offers momentary action with an SPST, N.O. contact arrangement and is RoHS compliant, ensuring environmental responsibility. It is available in thru-hole and surface mount (SMT) termination options, and is designed for easy integration into various PCB layouts.

Authorized Distributors
Source:Newark
Part No:PTS635SL43LFS
Stock:4796
Inv Date:06-15-2026
Price: Unit price: $0.316
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Part No:PTS635SL43LFS
Stock:0
Inv Date:06-16-2026
Price: N/A
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Part No:PTS635SL43LFS
Stock:338
Inv Date:06-15-2026
Price: Unit price: $0.15
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Part No:PTS635SL43LFS
Stock:9592
Inv Date:06-15-2026
Price: Unit price: $0.3126
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Part No:PTS635SL43LFS
Stock:9592
Inv Date:06-15-2026
Price: Unit price: $0.3126
Buy/RFQ:
Part No:PTS635SL43 LFS
Stock:5
Inv Date:06-16-2026
Price: N/A
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C&K COMPONENTS PTS635SL43LFS 3.5mm Tact Switch Specifications:

  • Contact Arrangement: SPST, N.O.
  • Terminals: PC pins
  • Actuation Force (L): 130 grams
  • Actuation Force (H): 200 grams
  • Life Expectancy: 20,000 operations
  • 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
  • Operating Temperature: -40˚C to 60˚C
  • Base Material: 6/6 nylon or glass filled polyester (PBT) (UL 94V-0)
  • Actuator Material: 6/6 nylon or polyacetal (UL 94HB)
  • Cover Plate Material: Tin plated stainless steel
  • 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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You can click on the BUY or RFQ button to purchase PTS635SL43LFS from an authorized C&K COMPONENTS distributor.

How do I troubleshoot issues or seek technical support for part PTS635SL43LFS?

You can download the PTS635SL43LFS datasheet or visit the C&K COMPONENTS website for support.

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