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C&K COMPONENTS PTS645SK43SMTR92LFS 6 mm Tact Switch

The C&K PTS645SK43SMTR92LFS is a versatile 6 mm tactile switch designed for a wide range of applications. Its compact size and variety of actuator lengths and actuation forces make it suitable for consumer products, instrumentation, computer products, and industrial equipment. The switch features momentary action with an SPST, N.O. contact arrangement and is RoHS compliant. It is available in thru-hole and surface mount configurations, with various termination options and actuator shapes to meet specific design requirements. Proper soldering techniques are crucial for reliable performance, and cleaning should be done carefully to avoid damage to the switch.

Authorized Distributors
Source:Newark
Part No:PTS645SK43SMTR92 LFS
Stock:6996
Inv Date:06-15-2026
Price: Unit price: $0.198
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Source:DigiKey
Part No:PTS645SK43SMTR92 LFS
Stock:105309
Inv Date:06-15-2026
Price: Unit price: $0.36
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Source:DigiKey
Part No:PTS645SK43SMTR92LFS
Stock:162251
Inv Date:06-15-2026
Price: Unit price: $0.16
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Part No:PTS645SK43SMTR92 LFS
Stock:21311
Inv Date:06-16-2026
Price: Unit price: $0.36
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Part No:PTS645SK43SMTR92 LFS
Stock:6683
Inv Date:06-15-2026
Price: Unit price: $0.09
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Part No:PTS645SK43SMTR92LFS
Stock:358052
Inv Date:06-15-2026
Price: Unit price: $0.1515
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Part No:PTS645SK43SMTR92LFS
Stock:358052
Inv Date:06-15-2026
Price: Unit price: $0.1515
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Part No:PTS645SK43SMTR92LFS
Stock:0
Inv Date:06-15-2026
Price: Unit price: $0.138
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C&K COMPONENTS PTS645SK43SMTR92LFS 6 mm Tact Switch Specifications:

  • Function: Momentary action
  • Contact Arrangement: SPST, N.O.
  • Terminals: PC pins
  • Actuation Force: 130 grams, 160 grams, 200 grams, 260 grams
  • Life Expectancy: 100,000 operations
  • 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
  • Operating Temperature: -20˚C to 70˚C (Thru-hole and SMT)
  • SMT Height: 4.3 mm, 5.0 mm, 7.0 mm, 9.5 mm, 13.0 mm

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Frequently Asked Questions

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You can download the PTS645SK43SMTR92LFS datasheet or visit the C&K COMPONENTS website for support.

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