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C&K COMPONENTS KSS321GLFS Subminiature SMT Tactile Switch

The KSS series subminiature SMT side actuated tactile switch offers excellent tactile feel and a low profile of 1.7mm, making it ideal for space-sensitive applications like cellular phones, industrial electronics, and health diagnostics. Features include high shear force, RoHS compliance, and a large flat top for easy actuation. With electrical options of silver or gold plating, it supports a maximum voltage of 32 VDC and up to 50 mA current. Mechanical reliability includes an overload capacity of 20N, an operational life of 100,000 cycles, and operating temperature ranges from -40°C to 125°C for gold-plated variants.

Authorized Distributors
Source:Newark
Part No:KSS321G LFS
Stock:17805
Inv Date:06-15-2026
Price: Unit price: $0.322
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Source:DigiKey
Part No:KSS321G LFS
Stock:39000
Inv Date:06-15-2026
Price: Unit price: $0.5088
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Part No:KSS321G LFS
Stock:24486
Inv Date:06-16-2026
Price: Unit price: $0.93
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Part No:KSS321GLFS
Stock:69312
Inv Date:06-15-2026
Price: Unit price: $1.1
Buy/RFQ:
Part No:KSS321GLFS
Stock:69312
Inv Date:06-15-2026
Price: Unit price: $1.1
Buy/RFQ:
Part No:KSS321GLFS
Stock:3000
Inv Date:06-15-2026
Price: Unit price: $0.365
Buy/RFQ:
Part No:KSS321G LFS
Stock:1
Inv Date:06-16-2026
Price: N/A
Buy/RFQ:

C&K COMPONENTS KSS321GLFS Subminiature SMT Tactile Switch Specifications:

  • Operating Force: 2.0N (200 grams) for silver, 2.5N (250 grams) for gold
  • Travel: 0.3 mm (silver), 0.15 mm (gold)
  • Electrical Max Power: 1VA for silver, 0.2 VA for gold
  • Max Voltage: 32 VDC
  • Max Current: 50 mA (silver), 10 mA (gold)
  • Contact Resistance: < 100 mΩ
  • Insulation Resistance: > 10^10 Ω at 100 VDC
  • Dielectric Strength: > 250 VDC
  • Mechanical Overload: 20N
  • Bounce Time: < 3 ms
  • Operating Temperature: -40°C to 125°C (gold), -40°C to 85°C (silver)
  • Storage Temperature: -55°C to 125°C (gold), -55°C to 85°C (silver)
  • Soldering: Lead free reflow per IEC 61760-1
  • Packaging: Tape & reels, external diameter 330mm ± 2mm
  • Actuation Range: Standard 1.1 mm, Large 1.8 mm
  • Contact Material: Silver or gold-plated
  • Terminals: Gullwing SPST

Buy the Buy CK Switches KSS Series Subminiature SMT Side Actuated Tactile Switch Part Number KSS321GLFS Online

Discover the reliable CK Switches KSS series subminiature SMT tactile switch, designed for space-constrained electronics like mobile devices and medical electronics. It features a low profile of 1.7mm, high shear force, and excellent tactile feedback. Available with silver or gold-plated contacts, supporting up to 32 VDC and 50 mA, ensuring dependable operation in demanding environments. Perfect for applications requiring a durable, high-quality switch. Purchase online for quick delivery with options for customization and bulk packaging, ensuring seamless integration into your projects.

Order your CK Switches KSS321GLFS series small tact switch today and enhance your circuit's tactile responsiveness with reliable, space-saving design.

Frequently Asked Questions

Where can I buy C&K COMPONENTS KSS321GLFS?

You can click on the BUY or RFQ button to purchase KSS321GLFS from an authorized C&K COMPONENTS distributor.

How do I troubleshoot issues or seek technical support for part KSS321GLFS?

You can download the KSS321GLFS datasheet or visit the C&K COMPONENTS website for support.

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