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C&K COMPONENTS KSC121JLFS Sealed Tactile Switch

The KSC Series sealed tactile switch offers a positive tactile feel with J-shaped SMT terminations and IP67 sealing, ensuring superior dust and water resistance. Designed for various heights, it is suitable for automotive, medical, industrial electronics, elevators, and network infrastructure applications. With a maximum power rating of 1VA and compatible with lead-free soldering processes, it features reliable contact resistance below 100mΩ and dielectric strength exceeding 250 Vrms. Its rugged construction ensures long operational life, making it an ideal choice for demanding environments requiring safety and durability.

Authorized Distributors
Source:Newark
Part No:KSC121J LFS
Stock:5273
Inv Date:06-15-2026
Price: Unit price: $0.178
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Source:DigiKey
Part No:KSC121J LFS
Stock:2000
Inv Date:06-15-2026
Price: Unit price: $0.36149
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Source:DigiKey
Part No:KSC121JLFS
Stock:14000
Inv Date:06-15-2026
Price: Unit price: $0.291
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Part No:KSC121J LFS
Stock:4396
Inv Date:06-16-2026
Price: Unit price: $0.5
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Part No:KSC121JLFS
Stock:28000
Inv Date:06-15-2026
Price: Unit price: $0.3261
Buy/RFQ:
Part No:KSC121JLFS
Stock:28000
Inv Date:06-15-2026
Price: Unit price: $0.3261
Buy/RFQ:
Part No:KSC121JLFS
Stock:0
Inv Date:06-15-2026
Price: Unit price: $0.285
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C&K COMPONENTS KSC121JLFS Sealed Tactile Switch Specifications:

  • Operating Temperature: -40°C to 85°C
  • Sealing: IP67 (except KSC5 with IP50)
  • Contact Resistance: < 100 mΩ
  • Dielectric Strength: > 250 Vrms
  • Maximum Power: 1VA, 0.2 VA
  • Maximum Voltage: 32 VDC
  • Minimum Voltage: 20 mV
  • Maximum Current: 50 mA, 10 mA
  • Operating Life: 300,000 to 5,000,000 cycles depending on model
  • Travel: 0.2 to 0.85 mm
  • Force: 1.45 to 6.25 N
  • Operating Temperature: -40°C to 125°C for gold-plated models
  • Storage Temperature: -55°C to 125°C
  • Lead-free compatible, silver or gold-plated contacts
  • Packaged in tape and reel, standard reel diameter 330 mm + 2 mm

Buy the CK Switches Series KSC1: Sealed Tactile Switch KSC121JLFS

Discover the CK Switches Series KSC1 sealed tactile switch, designed for industrial, automotive, and medical applications. Featuring IP67 sealing, positive tactile response, and high durability, it supports lead-free soldering and offers excellent electrical stability. With a compact SMT design, it ensures long service life with up to 5 million cycles and withstands harsh environmental conditions. Ideal for network infrastructure, elevators, and safety equipment, this switch provides reliable operation, easy integration, and is available in tape and reel packaging for efficient manufacturing and assembly.

Order your CK Switches Series KSC1 sealed tactile switch today and ensure reliable, robust performance in demanding automotive and industrial projects.

Frequently Asked Questions

Where can I buy C&K COMPONENTS KSC121JLFS?

You can click on the BUY or RFQ button to purchase KSC121JLFS from an authorized C&K COMPONENTS distributor.

How do I troubleshoot issues or seek technical support for part KSC121JLFS?

You can download the KSC121JLFS datasheet or visit the C&K COMPONENTS website for support.

Who is the manufacturer of KSC121JLFS?

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