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C&K COMPONENTS Y31B51131FPLFS Sealed Tact Switch

The C&K COMPONENTS Y31B51131FPLFS is a sealed tactile switch within the KSC series, engineered for robust performance in demanding environments. This momentary action switch offers a positive tactile feel and is rated IP67 for protection against dust and water ingress. It's designed with J or G terminations for SMT applications and is available in tape and reel packaging. Typical applications include automotive systems, cellular phones, industrial electronics, and network infrastructure. The switch provides reliable contact arrangement and is suitable for a wide range of industrial and consumer electronics.

Authorized Distributors
Source:Newark
Part No:Y31B51131FPLFS
Stock:12000
Inv Date:06-15-2026
Price: Unit price: $0.613
Buy/RFQ:
Part No:Y31B51131FP LFS
Stock:0
Inv Date:06-16-2026
Price: N/A
Buy/RFQ:
Part No:Y31B51131FPLFS
Stock:0
Inv Date:06-15-2026
Price: Unit price: $0.43
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Part No:Y31B51131FPLFS
Stock:24722
Inv Date:06-15-2026
Price: Unit price: $0.3261
Buy/RFQ:
Part No:Y31B51131FPLFS
Stock:24722
Inv Date:06-15-2026
Price: Unit price: $0.3261
Buy/RFQ:

C&K COMPONENTS Y31B51131FPLFS Sealed Tact Switch Specifications:

  • Function: Momentary action
  • Contact Arrangement: 1 make contact = SPST, N.O.
  • Terminals: J bend & Gullwing type for SMT
  • Operating Force: 1.2 / 2.5 N (KSC121J)
  • Operating Life: 200,000 operations (KSC121J)
  • Travel: 0.3 ± 0.15 mm
  • IP Rating: IP 67
  • Typical Applications: Automotive, Cellular phones, Industrial electronics, Network infrastructure and IT
  • Maximum Power: 1 VA
  • Maximum Voltage: 32 VDC
  • Minimum Voltage: 20 mV
  • Maximum Current: 50 mA
  • Minimum Current: 1 mA
  • Dielectric Strength: 250 V (50 Hz, 1 min.)
  • Contact Resistance: < 100 mΩ
  • Insulation Resistance: > 10[9] Ω
  • Bounce Time: < 1 ms
  • Operating Temperature: -40˚C to 85˚C
  • Storage Temperature: -55˚C to 85˚C
  • Soldering Methods: Wave machine (< 5 sec), Infrared Reflow
  • Packaging: Tape & reel (2,000 pieces for KSC1, KSC2, KSC3; 1,000 pieces for KSC4, KSC6, KSC7)

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Frequently Asked Questions

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You can click on the BUY or RFQ button to purchase Y31B51131FPLFS from an authorized C&K COMPONENTS distributor.

How do I troubleshoot issues or seek technical support for part Y31B51131FPLFS?

You can download the Y31B51131FPLFS datasheet or visit the C&K COMPONENTS website for support.

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C&K COMPONENTS

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