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C&K COMPONENTS KSC321JLFS Tact Switch

The KSC321JLFS is a sealed tact switch designed for SMT applications. It features a compact size with a 3.5 mm actuator height, offering a maximum operating force of 2 N and an operational life of 300,000 cycles. Suitable for industrial electronics, medical equipment, and automotive systems, this switch provides IP67 sealing for robust performance against dust and water. Its silver contact material ensures reliable electrical connectivity, while the Gullwing termination allows easy PCB mounting. It is ideal for applications requiring durable, high-quality tactile feedback in a miniature footprint.

Authorized Distributors
Source:Newark
Part No:KSC321JLFS
Stock:5597
Inv Date:06-15-2026
Price: Unit price: $0.196
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Source:DigiKey
Part No:KSC321J LFS
Stock:44585
Inv Date:06-15-2026
Price: Unit price: $0.65
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Source:DigiKey
Part No:KSC321JLFS
Stock:6000
Inv Date:06-15-2026
Price: Unit price: $0.31
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Part No:KSC321J LFS
Stock:30632
Inv Date:06-16-2026
Price: Unit price: $0.62
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Part No:KSC321JLFS
Stock:363962
Inv Date:06-15-2026
Price: Unit price: $0.2384
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Part No:KSC321JLFS
Stock:363962
Inv Date:06-15-2026
Price: Unit price: $0.2384
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Part No:KSC321JLFS
Stock:40000
Inv Date:06-15-2026
Price: Unit price: $0.245
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Part No:KSC321J LFS
Stock:1500
Inv Date:06-16-2026
Price: N/A
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C&K COMPONENTS KSC321JLFS Tact Switch Specifications:

  • Operational Force: 2 N (200 grams)
  • Activation Travel: 0.2 + 0.3 mm
  • Electrical Life: 300,000 cycles
  • Sealing: IP67
  • Contact Material: Silver
  • Termination: Gullwing
  • External Diameter: 330 ± 2 mm
  • Oper. Temperature: -40°C to 85°C
  • Storage Temperature: -55°C to 85°C
  • Soldering: Lead-free reflow compatible per IEC 61760-1
  • Mech. life: 300,000 cycles
  • Dimensions conform to EIA RS-481 / IEC 60286-3 standards

Buy the CKSwitches Series KSC3 Tact Switch: KSC321JLFS

Discover the reliability and compact design of the CKSwitches Series KSC3 tact switch, featuring IP67 sealing, 2 N operating force, and a long 300,000 cycle life. Perfect for industrial, automotive, and medical electronics, this switch offers a Gullwing termination for easy PCB mounting and lead-free compatible soldering. Its small size with a 3.5 mm actuator height makes it ideal for space-constrained applications that demand high durability and consistent tactile feedback. Purchase online today to elevate your electronic designs with trusted quality.

Order your CKSwitches Series KSC3 KSC321JLFS today and ensure high reliability with IP67 sealing and durable tactile feedback for your electronic projects.

Frequently Asked Questions

Where can I buy C&K COMPONENTS KSC321JLFS?

You can click on the BUY or RFQ button to purchase KSC321JLFS from an authorized C&K COMPONENTS distributor.

How do I troubleshoot issues or seek technical support for part KSC321JLFS?

You can download the KSC321JLFS datasheet or visit the C&K COMPONENTS website for support.

Who is the manufacturer of KSC321JLFS?

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