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C&K COMPONENTS Y31A21477FPLFS Sealed Tact Switch

The C&K Components Y31A21477FPLFS is a sealed tactile switch within the KSC series, engineered for momentary action and reliability in demanding environments. This switch offers a positive tactile feel and is available with J or G terminations for surface mount technology (SMT) applications. Its IP67 rating ensures protection against dust and water ingress, making it ideal for automotive, cellular phone, industrial electronics, and network infrastructure applications. The switch provides various operating force options and contact materials to suit diverse design requirements. It is available in tape and reel packaging for automated assembly processes.

Authorized Distributors
Part No:Y31A21477FPLFS
Stock:0
Inv Date:06-15-2026
Price: Unit price: $0.48
Buy/RFQ:
Part No:Y31A21477FPLFS
Stock:7520
Inv Date:06-15-2026
Price: Unit price: $0.2947
Buy/RFQ:
Part No:Y31A21477FPLFS
Stock:7520
Inv Date:06-15-2026
Price: Unit price: $0.2947
Buy/RFQ:

C&K COMPONENTS Y31A21477FPLFS 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 to 4.1 / 7.0 N (various options)
  • Operating Life: 100,000 to 5,000,000 operations (various options)
  • Travel: 0.3 ± 0.15 mm to 0.75 ± 0.25 mm (various options)
  • IP Rating: IP 67
  • Typical Applications: Automotive, Cellular phones, Industrial electronics, Network infrastructure and IT
  • Operating Temperature: -40˚C to 85˚C / -40˚C to 125˚C (various options)
  • Storage Temperature: -55˚C to 85˚C / -55˚C to 125˚C (various options)
  • Maximum Power: 1 VA / 0.2 VA
  • Maximum Voltage: 32 VDC
  • Minimum Voltage: 20 mV
  • Maximum Current: 50 mA / 10 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
  • Packaging: Tape & reel (2,000 pieces for KSC1, KSC2 and KSC3; 1,000 pieces for KSC4; 750 pieces for KSC6; 1,000 pieces for KSC7)

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C&K COMPONENTS

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