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C&K COMPONENTS PTS125SJK73SMTR2LFS Tact Switches

The PTS125 Series 12 mm tact switches are compact, momentary action electronic switches suitable for both THT and SMT mounting. They feature various heights, snap-fit actuators, and are compatible with lead-free reflow and wave soldering processes. Designed for applications in consumer electronics, instrumentation, and industrial equipment, these switches offer reliable operation with a life expectancy of 200,000 cycles. They have contact resistance below 100 milliohms, dielectric strength of 250 V AC for 1 minute, and operate reliably within -20°C to 70°C, ensuring durability and performance in demanding environments.

Authorized Distributors
Source:Newark
Part No:PTS125SJK73 SMTR2 LFS
Stock:92
Inv Date:06-15-2026
Price: Unit price: $0.924
Buy/RFQ:
Source:DigiKey
Part No:PTS125SJK73 SMTR-2 LFS
Stock:0
Inv Date:06-15-2026
Price: Unit price: $0.44263
Buy/RFQ:
Part No:PTS125SJK73 SMTR-2 LFS
Stock:248
Inv Date:06-16-2026
Price: Unit price: $0.83
Buy/RFQ:

C&K COMPONENTS PTS125SJK73SMTR2LFS Tact Switches Specifications:

  • Function: Momentary action
  • Contact Arrangement: SPST, N.O.
  • Terminals: PC pins for THT, G type for SMT
  • Travel: 0.30 mm + 0.15 mm
  • Soldering: Infrared reflow according to IEC 61760-1, wave soldering compatible with lead-free solder
  • Operating Life: 200,000 cycles
  • Operating Force: 180 gf + 50 gf, 250 gf + 50 gf
  • Dielectric Strength: 250 V AC (1 min)
  • Contact Resistance: <100 mΩ
  • Insulation Resistance: >100 MΩ
  • Operating Temperature: -20°C to 70°C
  • Environmental Compliance: RoHS
  • Packaging: THT in bags, SMT tape & reel

Buy the CK Switches Series PTS125 Tact Switches: PTS125SJK73SMTR2LFS

Purchase the CK Switches PTS125 Series tact switches online today and experience reliable, high-quality switching performance. These 12 mm switches are designed with various heights and actuator options, including snap-fit and round or square actuators, suitable for a variety of applications from consumer electronics to industrial equipment. They feature a momentary action, a durability of 200,000 cycles, and are compatible with both lead-free wave and reflow soldering processes. Ensure your projects benefit from their exceptional reliability, compact size, and flexible mounting options—order now for quick delivery!

Get CK Switches PTS125SJK73SMTR2LFS today—built for precise tactile feedback and long-lasting durability in compact electronic designs.

Frequently Asked Questions

Where can I buy C&K COMPONENTS PTS125SJK73SMTR2LFS?

You can click on the BUY or RFQ button to purchase PTS125SJK73SMTR2LFS from an authorized C&K COMPONENTS distributor.

How do I troubleshoot issues or seek technical support for part PTS125SJK73SMTR2LFS?

You can download the PTS125SJK73SMTR2LFS datasheet or visit the C&K COMPONENTS website for support.

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