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C&K COMPONENTS KSS331GLFS Subminiature SMT Switch

The C&K COMPONENTS KSS331GLFS is a subminiature SMT (Surface Mount Technology) side-actuated switch designed for space-constrained applications. Its low profile (1.7mm) and excellent tactile feel make it suitable for devices like cellular phones, industrial electronics, and health diagnostic equipment. The switch offers a momentary action with various actuation forces (2.0N, 2.5N, and 4.0N) and is RoHS compliant, ensuring environmental responsibility. It utilizes gullwing terminals for easy integration into PCB designs and is available in tape and reel packaging for automated assembly processes. The switch's robust construction and reliable performance make it a versatile choice for a wide range of electronic applications.

Authorized Distributors
Source:DigiKey
Part No:KSS331G LFS
Stock:5887
Inv Date:06-15-2026
Price: Unit price: $0.94
Buy/RFQ:
Part No:KSS331G LFS
Stock:14772
Inv Date:06-16-2026
Price: Unit price: $0.93
Buy/RFQ:
Part No:KSS331GLFS
Stock:10846
Inv Date:06-15-2026
Price: Unit price: $0.4239
Buy/RFQ:
Part No:KSS331GLFS
Stock:10846
Inv Date:06-15-2026
Price: Unit price: $0.4239
Buy/RFQ:
Part No:KSS331GLFS
Stock:3000
Inv Date:06-15-2026
Price: Unit price: $0.425
Buy/RFQ:
Part No:KSS331G LFS
Stock:16800
Inv Date:06-16-2026
Price: N/A
Buy/RFQ:

C&K COMPONENTS KSS331GLFS Subminiature SMT Switch Specifications:

  • Low profile: 1.7 mm
  • Tactile feel: Excellent
  • Shear force: High
  • Actuation forces: Range of options
  • Operating temperature: -40°C to 85°C / -40°C to 125°C
  • Storage temperature: -55°C to 85°C / -55°C to 125°C
  • Operating life: 100,000 operations
  • Travel: 0.3 ± 0.15 mm
  • Overload: 20N
  • Tactile feeling: 2 and 4N: 25% min. 2.5N: 30% min.
  • Maximum power: 1 VA / 0.2 VA
  • Maximum voltage: 32 VDC
  • Maximum current: 50 mA / 10 mA
  • Minimum current: 1 mA
  • Dielectric strength: ≥ 250 VDC
  • Contact resistance: < 100 mΩ
  • Insulation resistance: ≥ 10[9] Ω
  • Bounce time: < 3 ms
  • Soldering: Lead free reflow soldering process in accordance with IEC 61760-1
  • Packaging: Tape and reels in reels of 3,000 pieces, External diameter 330mm ± 2mm

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Frequently Asked Questions

Where can I buy C&K COMPONENTS KSS331GLFS?

You can click on the BUY or RFQ button to purchase KSS331GLFS from an authorized C&K COMPONENTS distributor.

How do I troubleshoot issues or seek technical support for part KSS331GLFS?

You can download the KSS331GLFS datasheet or visit the C&K COMPONENTS website for support.

Who is the manufacturer of KSS331GLFS?

C&K COMPONENTS

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