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C&K COMPONENTS KMR431GLFS Microminiature Tact Switch

The KMR 4 series microminiature SMT top actuated tact switch boasts a compact design with a small footprint and offers excellent tactile feedback. It supports ultra-low current capabilities, making it ideal for sensitive electronic applications in automotive, industrial, and medical sectors. With IP40 protection rating, it ensures reliable performance in various environments. The series features multiple actuation forces (1.2N, 2N, 3N, 4N) and contact materials (silver or gold plated) for versatile usage. Soldering follows lead-free reflow standards, and the switches are packaged in reels of 6,000 pieces for easy integration.

Authorized Distributors
Source:Newark
Part No:KMR431GLFS
Stock:31426
Inv Date:06-15-2026
Price: Unit price: $0.555
Buy/RFQ:
Source:DigiKey
Part No:KMR431G LFS
Stock:30233
Inv Date:06-15-2026
Price: Unit price: $0.68
Buy/RFQ:
Part No:KMR431GLFS
Stock:0
Inv Date:06-16-2026
Price: N/A
Buy/RFQ:
Part No:KMR431GLFS
Stock:63619
Inv Date:06-15-2026
Price: Unit price: $0.44
Buy/RFQ:
Part No:KMR431GLFS
Stock:63619
Inv Date:06-15-2026
Price: Unit price: $0.44
Buy/RFQ:

C&K COMPONENTS KMR431GLFS Microminiature Tact Switch Specifications:

  • Actuation Force: 1.2N, 2N, 3N, 4N
  • Contact Material: Silver or Gold plated
  • Maximum Power: 1VA
  • Maximum Voltage: 32 VDC
  • Maximum Current: 50 mA
  • Minimum Current: 20 mVDC
  • Dielectric Strength: > 250 Vrms
  • Travel: 0.20 mm to 0.30 mm depending on model
  • Bounce Time: < 3ms
  • Operating Temperature: -40°C to 85°C or 125°C depending on variant
  • Storage Temperature: -55°C to 125°C
  • Soldering: Lead-free reflow in accordance with IEC 61760-1
  • Packaging: Reels of 6,000 pieces with external diameter 380 mm
  • IP Rating: IP40
  • Mechanical Life: 100,000 cycles to 400,000 cycles depending on model

Buy the Buy CKSwitches KMR 4 Series Part Number KMR431GLFS Online

Experience the precision and reliability of the CKSwitches KMR 4 Series microminiature tactile switches. Designed for compact electronics, these switches feature multiple actuation forces, exceptional tactile feel, and support lead-free reflow soldering. Suitable for automotive, industrial, and medical equipment, they provide excellent performance with IP40 protection and long mechanical life. Easy to install in reel packaging, ensuring efficient manufacturing and assembly. Secure your supply of these versatile switches online today for consistent quality and robust operation in demanding electronic applications.

Get CKSwitches KMR 4 Series KMR431GLFS today—built for reliable tactile feedback with ultra-low current capabilities and high durability.

Frequently Asked Questions

Where can I buy C&K COMPONENTS KMR431GLFS?

You can click on the BUY or RFQ button to purchase KMR431GLFS from an authorized C&K COMPONENTS distributor.

How do I troubleshoot issues or seek technical support for part KMR431GLFS?

You can download the KMR431GLFS datasheet or visit the C&K COMPONENTS website for support.

Who is the manufacturer of KMR431GLFS?

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