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C&K COMPONENTS Y78B42120FP PCB Keyswitch

The C&K COMPONENTS Y78B42120FP is a versatile PCB keyswitch offering high switching reliability in a compact form factor. Ideal for integration into keypads and control panels, these keyswitches are suitable for both manual and automated assembly processes. They are available with various terminal options (solder, SMD) and illumination configurations (non-illuminated, fully illuminated, spot illuminated) to meet diverse design requirements. The switches are designed for use in a wide range of applications, including industrial equipment, consumer electronics, and data entry systems, and are known for their robustness and long operational life.

Authorized Distributors
Source:Newark
Part No:Y78B42120FP
Stock:60000
Inv Date:06-15-2026
Price: Unit price: $0.555
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Part No:Y78B42120FP
Stock:0
Inv Date:06-16-2026
Price: N/A
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Part No:Y78B42120FP
Stock:0
Inv Date:06-15-2026
Price: Unit price: $0.51
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Part No:Y78B42120FP
Stock:115200
Inv Date:06-16-2026
Price: Unit price: $0.3854
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Part No:Y78B42120FP
Stock:115200
Inv Date:06-15-2026
Price: Unit price: $0.3854
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Source:Arrow EU
Part No:Y78B42120FP
Stock:12000
Inv Date:06-16-2026
Price: N/A
Buy/RFQ:

C&K COMPONENTS Y78B42120FP PCB Keyswitch Specifications:

  • recommended_key_grid: ≥12 mm
  • overall_height: 5.0 mm
  • contacts: Gold
  • number_of_contacts: 4 - 6
  • illumination: Non-illuminated
  • key_grid: ≥12 mm
  • operating_force: 3.3[+/-0.6] N
  • switching_travel: 0.34[+/-0.1] mm
  • rated_voltage_min: 0.02 V
  • rated_voltage_max: 42 V
  • rated_current_min: 0.01 mA
  • rated_current_max: 100 mA
  • rated_power_max: 1 W
  • contact_resistance: 100 mΩ
  • insulation_resistance: 10[9] Ω
  • bouncing_time: 5 ms
  • ambient_temp_operating_min: -40 °C
  • ambient_temp_operating_max: +80 °C

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Frequently Asked Questions

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You can click on the BUY or RFQ button to purchase Y78B42120FP from an authorized C&K COMPONENTS distributor.

How do I troubleshoot issues or seek technical support for part Y78B42120FP?

You can download the Y78B42120FP datasheet or visit the C&K COMPONENTS website for support.

Who is the manufacturer of Y78B42120FP?

C&K COMPONENTS

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