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C&K COMPONENTS PTS645SL43 Subminiature Tactile Switch

The C&K PTS Series Subminiature Tactile Switches are designed for applications requiring a compact and reliable switching solution. These switches offer a cost-effective design with a long mechanical and electrical life, along with a variety of actuator styles and force options to meet diverse application needs. Commonly used in consumer products, instrumentation, computer products, and hand-held devices, the PTS Series provides dependable performance in a small package. Available in various configurations including surface mount and right-angle models, these switches are suitable for both automated assembly and manual integration.

Authorized Distributors
Part No:PTS645SL43
Stock:14344
Inv Date:06-15-2026
Price: Unit price: $0.217
Buy/RFQ:
Part No:PTS645SL43
Stock:14344
Inv Date:06-15-2026
Price: Unit price: $0.217
Buy/RFQ:

C&K COMPONENTS PTS645SL43 Subminiature Tactile Switch Specifications:

  • Contact Rating: 50 mA @ 12 V DC
  • Mechanical & Electrical Life: 20,000 operations for PTS635S/V models; 25,000 operations for PTS453S/T models; 100,000 operations for PTS645S/T, PTS645V, PTS645SJ/TJ and PTS645VJ models; 200,000 operations for PTS125S models; 300,000 for PTS525 models.
  • Contact Resistance: 100 milliohms max. initial
  • Insulation Resistance: 10[9] Ω min.
  • Dielectric Strength: 250 V AC min.
  • Operating Temperature: -10°C to 60°C
  • Solderability: Preheating to 100°C for 45 sec. max. Keep flux flush with top surface of PCB; do not apply to component side of PCB and area where terminals are located. Soldering to 255°C for 5 sec. max. Clean by brushing on soldering surface. Do not clean switch with solvents. SMT capable of IR solder process, no cleaning process.
  • Base Material: 6/6 nylon or glass filled polyester (PBT) (UL 94HB)
  • Actuator Material: 6/6 nylon or polyacetal (UL 94HB)
  • Cover Plate Material: Tin-plated brass (PTS453S, PTS635S, PTS635V models); Tin alloy (PTS453T, PTS125, PTS645T, PTS645V, PTS645TJ, PTS645VJ models); Polyester (PTS645S models)
  • Dome Contacts: Stainless steel, silver clad (PTS635 models); phosphor bronze, silver clad (all other models)
  • Stationary Contacts: Brass, silver plated
  • Terminals: Brass, silver plated
  • Packaging: Bulk packaging standard; Tube packaging standard for PTS125 models; Radial tape packaging available for PTS645S models

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You can download the PTS645SL43 datasheet or visit the C&K COMPONENTS website for support.

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