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C&K COMPONENTS KSS221GLFS Tactile Switch

The KSS Series subminiature SMT side actuated tactile switches feature a low profile of 1.7mm, excellent tactile feedback, and come with a large flat top for easy actuation. They are RoHS compliant, suitable for applications such as cellular phones, industrial electronics, and health diagnostics. The switches have a maximum power of 1VA, contact voltage of 32 VDC, and a switching life of 100,000 cycles. Available with silver or gold plated contacts, they operate in temperatures from -40°C to 85°C or up to 125°C for gold contacts, with high shear force and reliable contact resistance below 100 mΩ.

Authorized Distributors
Source:Newark
Part No:KSS221G LFS
Stock:9402
Inv Date:06-15-2026
Price: Unit price: $0.811
Buy/RFQ:
Source:DigiKey
Part No:KSS221G LFS
Stock:12000
Inv Date:06-15-2026
Price: Unit price: $0.47749
Buy/RFQ:
Part No:KSS221G LFS
Stock:5345
Inv Date:06-16-2026
Price: Unit price: $0.87
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Part No:KSS221GLFS
Stock:1278701
Inv Date:06-15-2026
Price: Unit price: $0.4994
Buy/RFQ:
Part No:KSS221GLFS
Stock:1278701
Inv Date:06-15-2026
Price: Unit price: $0.4994
Buy/RFQ:
Part No:KSS221GLFS
Stock:0
Inv Date:06-15-2026
Price: Unit price: $0.4
Buy/RFQ:
Part No:KSS221G LFS
Stock:25
Inv Date:06-16-2026
Price: N/A
Buy/RFQ:

C&K COMPONENTS KSS221GLFS Tactile Switch Specifications:

  • Function: momentary action
  • Maximum Power: 1VA
  • Maximum Voltage: 32 VDC
  • Maximum Current: 50 mA
  • Maximum Power: 0.2 VA for gold, 1 VA for silver
  • Contact Arrangement: N.O.
  • Terminals: Gullwing
  • IP40 sealed
  • Dielectric Strength: > 250 VDC
  • Contact Resistance: < 100 mΩ
  • Insulation Resistance (100 VDC): > 10 GΩ
  • Overload: 20N
  • Bounce Time: < 3 ms
  • Operating Force: 2.0N to 4.0N depending on model
  • Operating Life: 100,000 cycles
  • Travel: 0.3 mm
  • Operating Temperature: -40°C to 85°C or -40°C to 125°C (gold contact)
  • Storage Temperature: -55°C to 85°C or -55°C to 125°C (gold contact)
  • Packaging: Tape and reels of 3,000 pieces, external diameter 330mm ± 2mm
  • Material: Silver or gold plated contacts
  • Actuator options: standard (1.1 mm) or large (1.8 mm)
  • RoHS compliant and suitable for lead-free reflow soldering according to IEC 61760-1

Buy the CK Switches Series KSS Tactile Switch: KSS221GLFS

Order the CK Switches Series KSS221GLFS tactile switch online today and ensure your electronic project benefits from its low profile, high durability, and excellent tactile feedback. Perfect for compact applications like mobile devices, industrial electronics, and medical equipment, this switch offers a reliable momentary action with a life expectancy of 100,000 cycles. Choose between silver or gold contacts, depending on your specific needs, and enjoy easy online purchasing with fast delivery and expert support.

Buy CK Switches Series KSS221GLFS now and experience unmatched reliability and performance for your electronic applications.

Frequently Asked Questions

Where can I buy C&K COMPONENTS KSS221GLFS?

You can click on the BUY or RFQ button to purchase KSS221GLFS from an authorized C&K COMPONENTS distributor.

How do I troubleshoot issues or seek technical support for part KSS221GLFS?

You can download the KSS221GLFS datasheet or visit the C&K COMPONENTS website for support.

Who is the manufacturer of KSS221GLFS?

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