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C&K COMPONENTS Y78B21310FP PCB Keyswitch

C&K COMPONENTS' PCB keyswitches are designed for demanding applications requiring reliable and compact switching solutions. These keyswitches feature a distinct key click and excellent switching reliability, making them suitable for use under overlays or with RK 90 keycaps. They are available in print and SMD versions, catering to diverse manufacturing processes. With options for illumination and varying contact configurations, these keyswitches find applications in data entry systems, industrial control panels, and various other electronic devices. Their robust design ensures long-term performance under challenging environmental conditions.

Authorized Distributors
Source:DigiKey
Part No:Y78B21310FP
Stock:7000
Inv Date:06-15-2026
Price: Unit price: $0.57134
Buy/RFQ:
Part No:Y78B21310FP
Stock:0
Inv Date:06-16-2026
Price: N/A
Buy/RFQ:
Part No:Y78B21310FP
Stock:42000
Inv Date:06-15-2026
Price: Unit price: $1.42
Buy/RFQ:
Part No:Y78B21310FP
Stock:42000
Inv Date:06-15-2026
Price: Unit price: $1.42
Buy/RFQ:

C&K COMPONENTS Y78B21310FP PCB Keyswitch Specifications:

  • recommended_key_grid: ≥12 mm
  • illumination: Non-illuminated
  • overall_height: 5.0 mm
  • contacts: Gold
  • number_of_contacts: 4 - 6
  • key_grid: ≥12 mm
  • signal_indicator: variable plunger
  • recommended_key_grid_2: ≥15.24 mm
  • number_of_contacts_2: 4 - 10
  • number_of_contacts_3: 4 - 14
  • illumination_2: Fully illuminated
  • overall_height_2: 9.7 mm
  • number_of_contacts_4: 4 - 16
  • number_of_contacts_5: 4 - 26
  • number_of_contacts_6: 4 - 32
  • number_of_contacts_7: 4 - 36
  • number_of_contacts_8: 4 - 42
  • number_of_contacts_9: 4 - 50
  • number_of_contacts_10: 4 - 56
  • number_of_contacts_11: 4 - 60
  • number_of_contacts_12: 4 - 75
  • number_of_contacts_13: 4 - 79
  • number_of_contacts_14: 4 - 95
  • number_of_contacts_15: 4 - 115
  • number_of_contacts_16: 4 - 143
  • 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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You can download the Y78B21310FP datasheet or visit the C&K COMPONENTS website for support.

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C&K COMPONENTS

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