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C&K COMPONENTS SERWHAUOA SPDT Key Switch

The C&K COMPONENTS SERWHAUOA is a microminiature SPDT key switch offering high reliability and a long operational life. Designed for low-level switching, this switch is ideal for a variety of applications including medical devices, industrial electronics, and audio equipment. It boasts a latching function, multiple button options for customization, and is RoHS compliant, ensuring environmental responsibility. The switch is ready for PCB implementation and offers a range of configurations to meet specific design requirements.

Authorized Distributors
Source:Newark
Part No:SERWHAUOA
Stock:233
Inv Date:06-15-2026
Price: Unit price: $6.15
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Source:DigiKey
Part No:SER WH AU OA
Stock:127
Inv Date:06-15-2026
Price: Unit price: $8.3
Buy/RFQ:
Part No:SER WH AU OA
Stock:176
Inv Date:06-16-2026
Price: Unit price: $8.3
Buy/RFQ:
Part No:SERWHAUOA
Stock:233
Inv Date:06-15-2026
Price: Unit price: $9.25
Buy/RFQ:
Part No:SERWHAUOA
Stock:233
Inv Date:06-15-2026
Price: Unit price: $9.25
Buy/RFQ:

C&K COMPONENTS SERWHAUOA SPDT Key Switch Specifications:

  • Function: Momentary or push-push
  • Contact Arrangement: 1 change over contact SPDT
  • Switching Power Max: 240 mW DC
  • Switching Voltage Max: 24 V DC
  • Switching Current Max: 10 mA DC
  • Carrying Current at 20°C (push-push version): 100 mA
  • Dielectric Strength (50 Hz, 1 min): 500 V
  • Operating Life (Momentary): ≥ 5 x 10^6 operations
  • Operating Life (Push-push): ≥ 5 x 10^5 operations
  • Contact Resistance (Initial): ≤ 50 mΩ
  • Contact Resistance (After 5 x 10^6 operations): ≤ 100 mΩ
  • Insulation Resistance: ≥ 10^10 Ω
  • Capacitance at f= 10 kHz: ≤ 0.8pF
  • Bounce Time: ≤ 2.5 ms
  • Operating Speed: 400 mm/s (15.75/s)
  • Horizontal Minimum: 12.7 (0.500) or 17.78 (0.700)
  • Vertical Minimum: 17.78 (0.700)
  • Terminals: PC pins
  • Mounting: Soldering, centering pins
  • Total Travel: ≤ 3 (.0018)
  • Switching Travel: 1.5 (0.0591)
  • Latching Travel: 1.8 (0.0709)
  • Operating Force: 1.5 +/- 0.5 N (150 +/- 50 grams)
  • Operating Temperature: -25˚C to 85˚C
  • Solderability: Wave soldering, compatible with lead free soldering profile; Hand soldering, 350˚C for 3 seconds

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Frequently Asked Questions

Where can I buy C&K COMPONENTS SERWHAUOA?

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

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

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

Who is the manufacturer of SERWHAUOA?

C&K COMPONENTS

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