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C&K COMPONENTS Y78B42324FP Microminiature Tact Switch

The C&K COMPONENTS Y78B42324FP is a microminiature SMT (Surface Mount Technology) tactile switch within the KMR 4 series. This switch offers a compact design, making it ideal for applications where space is limited. It provides multiple actuation force options (1.2N, 2.0N, 3.0N, and 4.0N) to suit various user preferences and application requirements. The switch boasts an excellent tactile feel and ultra-low current capabilities, making it suitable for automotive, industrial electronics, and medical equipment. It is lead-free compatible and features gullwing terminals for SMT assembly. Its robust construction and reliable performance ensure long-term functionality in demanding environments.

Authorized Distributors
Source:Newark
Part No:Y78B42324FP
Stock:29900
Inv Date:06-15-2026
Price: Unit price: $0.711
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Part No:Y78B42324FP
Stock:0
Inv Date:06-16-2026
Price: N/A
Buy/RFQ:
Part No:Y78B42324FP
Stock:0
Inv Date:06-15-2026
Price: Unit price: $0.56
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C&K COMPONENTS Y78B42324FP Microminiature Tact Switch Specifications:

  • function: momentary action
  • contact_arrangement: 1 make contact = SPST, N.O.
  • terminals: Gullwing type for SMT
  • actuation_forces: 1.2N, 2.0N, 3.0N, 4.0N
  • operating_life: 100,000 cycles
  • travel: 0.20 mm ± 0.1 (for 1.2N), 0.25 mm ± 0.1 (for 2.0N and 3.0N), 0.30 mm ± 0.1 (for 4.0N)
  • maximum_power: 1 VA
  • maximum_voltage: 32 VDC
  • minimum_voltage: 20 mVDC
  • maximum_current: 50 mA
  • minimum_current: 1 mA (ULC version: 1µA at 1.8 VDC)
  • dielectric_strength: ≥ 250 Vrms
  • contact_resistance: ≤ 100 mΩ
  • insulation_resistance: ≥ 1GΩ
  • bounce_time: ≤ 3 ms
  • operating_temperature: -40˚C to 85˚C (standard), -40˚C to 125˚C (gold)
  • storage_temperature: -55˚C to 85˚C (standard), -55˚C to 125˚C (gold)
  • tactile_feeling: ≥ 25% (for 2N, 3N, 4N), ≥ 20% (for 1.2N)

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