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C&K COMPONENTS PTS635SH43LFS 3.5mm Tact Switch

The C&K PTS635SH43LFS is a 3.5mm tactile switch designed for a wide range of applications. Its compact size, variety of switch heights, and selectable actuation forces (130g or 200g) make it versatile for consumer products, instrumentation, computer products, and industrial equipment. The switch is RoHS compliant and available with thru-hole or surface mount termination options. It utilizes phosphor bronze and brass contacts for reliable performance and is constructed with durable nylon or polyester materials. Refer to C&K's build-a-switch concept for custom configurations.

Authorized Distributors
Part No:PTS635SH43LFS
Stock:0
Inv Date:06-15-2026
Price: Unit price: $0.3
Buy/RFQ:
Part No:PTS635SH43LFS
Stock:158870
Inv Date:06-15-2026
Price: Unit price: $0.2912
Buy/RFQ:
Part No:PTS635SH43LFS
Stock:158870
Inv Date:06-15-2026
Price: Unit price: $0.2912
Buy/RFQ:
Part No:PTS635SH43 LFS
Stock:25
Inv Date:06-16-2026
Price: N/A
Buy/RFQ:

C&K COMPONENTS PTS635SH43LFS 3.5mm Tact Switch Specifications:

  • function: Momentary action
  • contact_arrangement: SPST, N.O.
  • terminals: PC pins
  • actuation_force_l_models: 130 grams
  • actuation_force_h_models: 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
  • terminals_material: Brass, silver plated
  • soldering_preheating_temp: 100˚C
  • soldering_time: 5 sec. max.
  • actuator_height_43_thru_hole_smt: 4,3 (.169)
  • actuator_height_50_thru_hole: 5,0 (.197)

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Frequently Asked Questions

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You can click on the BUY or RFQ button to purchase PTS635SH43LFS from an authorized C&K COMPONENTS distributor.

How do I troubleshoot issues or seek technical support for part PTS635SH43LFS?

You can download the PTS635SH43LFS datasheet or visit the C&K COMPONENTS website for support.

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