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C&K COMPONENTS KSC721JLFS Sealed Tact Switch

The C&K COMPONENTS KSC721JLFS is a sealed momentary action tact switch designed for demanding environments. Featuring a positive tactile feel, J or G terminations, and various heights, this switch offers versatility in design. Its IP67 sealing provides protection against dust and water ingress, making it ideal for automotive, medical instruments, industrial electronics, and network infrastructure applications. The switch operates with a momentary action and SPST contact arrangement, ensuring reliable performance in a range of systems.

Authorized Distributors
Source:Newark
Part No:KSC721J LFS
Stock:13186
Inv Date:06-15-2026
Price: Unit price: $0.623
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Source:DigiKey
Part No:KSC721J LFS
Stock:66027
Inv Date:06-15-2026
Price: Unit price: $0.55
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Source:DigiKey
Part No:KSC721JLFS
Stock:188750
Inv Date:06-15-2026
Price: Unit price: $0.31
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Part No:KSC721J LFS
Stock:49516
Inv Date:06-16-2026
Price: Unit price: $0.55
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Part No:KSC721JLFS
Stock:377500
Inv Date:06-15-2026
Price: Unit price: $0.3094
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Part No:KSC721JLFS
Stock:332000
Inv Date:06-15-2026
Price: Unit price: $0.28
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Part No:KSC721J LFS
Stock:3000
Inv Date:06-16-2026
Price: N/A
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C&K COMPONENTS KSC721JLFS Sealed Tact Switch Specifications:

  • FUNCTION: Momentary action
  • CONTACT ARRANGEMENT: 1 make contact = SPST, N.O.
  • TERMINALS: J bend & Gullwing type for SMT
  • SEALING: IP67
  • OPERATING TEMPERATURE: -40˚C to 85˚C
  • STORAGE TEMPERATURE: -55˚C to 85˚C
  • MAXIMUM POWER: 1 VA
  • MAXIMUM VOLTAGE: 32 VDC
  • MINIMUM VOLTAGE: 20 mV
  • MAXIMUM CURRENT: 50 mA
  • MINIMUM CURRENT: 1 mA
  • DIELECTRIC STRENGTH: ≥ 250 Vrms
  • CONTACT RESISTANCE: ≤ 100mΩ
  • INSULATION RESISTANCE: ≥ 10M Ω
  • BOUNCE TIME: ≤ 1 ms

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Frequently Asked Questions

Where can I buy C&K COMPONENTS KSC721JLFS?

You can click on the BUY or RFQ button to purchase KSC721JLFS from an authorized C&K COMPONENTS distributor.

How do I troubleshoot issues or seek technical support for part KSC721JLFS?

You can download the KSC721JLFS datasheet or visit the C&K COMPONENTS website for support.

Who is the manufacturer of KSC721JLFS?

C&K COMPONENTS

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