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C&K COMPONENTS KSEK43JLFS Low Profile Tact Switch

The low profile tactile switch from the KSE series is a cost-efficient, durable component with an IP67 rating, suitable for smart meters, home appliances, consumer electronics, telecommunications, and industrial applications. It features J bend and Gullwing SMT terminations, a momentary operation with maximum power of 1 VA, and a contact resistance below 100 milliohms. Operating temperatures range from -40°C to 85°C, making it ideal for various environmental conditions, with a long cycle life of 300,000 operations and compliance with standard soldering processes.

Authorized Distributors
Source:Newark
Part No:KSEK43J LFS
Stock:61
Inv Date:06-15-2026
Price: Unit price: $0.521
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Source:DigiKey
Part No:KSEK43J LFS
Stock:3653
Inv Date:06-15-2026
Price: Unit price: $0.54
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Part No:KSEK43J LFS
Stock:0
Inv Date:06-16-2026
Price: N/A
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Part No:KSEK43JLFS
Stock:24475
Inv Date:06-15-2026
Price: Unit price: $0.3206
Buy/RFQ:
Part No:KSEK43JLFS
Stock:24475
Inv Date:06-15-2026
Price: Unit price: $0.3206
Buy/RFQ:

C&K COMPONENTS KSEK43JLFS Low Profile Tact Switch Specifications:

  • Function: momentary action
  • Maximum Power: 1 VA
  • Contact Arrangement: 1 make contact = SPST, N.O.
  • Voltage Range: 20 mV to 32 VDC
  • Current Range: 1 mA to 50 mA
  • Dielectric Strength: > 250 V (50 Hz, 1 min.)
  • Contact Resistance: < 100 mΩ
  • Operating Temperature: -40°C to 85°C
  • Storage Temperature: -55°C to 85°C
  • Mechanical Life: 300,000 operations
  • Operating Force: 1.6 N or 2.25 N depending on model
  • Travel: 0.3 mm
  • Termination Types: J bend & Gullwing for SMT
  • Environmental Rating: IP67
  • Soldering: Suitable for lead-free reflow according to IEC 61760-1

Buy the KSE Series Low Profile Tact Switch – Reliable Switches for Industrial Applications

Enhance your electronic devices with the durable and cost-effective low profile tactile switch from the KSE series. Featuring an IP67 rating, J bend and Gullwing SMT terminations, this switch is ideal for smart meters, home appliances, consumer electronics, and industrial applications. With a long life cycle of 300,000 operations, excellent dielectric strength, and versatile mounting options, it offers reliable performance across various environmental conditions. Purchase online today and upgrade your project with high-quality switches designed for demanding environments.

Buy KSE series low profile tactile switch now and experience unmatched reliability and performance for your electronic and industrial needs.

Frequently Asked Questions

Where can I buy C&K COMPONENTS KSEK43JLFS?

You can click on the BUY or RFQ button to purchase KSEK43JLFS from an authorized C&K COMPONENTS distributor.

How do I troubleshoot issues or seek technical support for part KSEK43JLFS?

You can download the KSEK43JLFS datasheet or visit the C&K COMPONENTS website for support.

Who is the manufacturer of KSEK43JLFS?

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