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C&K COMPONENTS KST221GLFS Long Travel Tact Switch

The C&K COMPONENTS KST221GLFS is a long-travel momentary tact switch specifically engineered for surface mount technology (SMT) applications. This switch boasts a rubber actuator for enhanced tactile feedback and utilizes silver contact material for reliable performance. Available with J-bend or gullwing terminals, it offers flexibility in mounting and integration. The switch is RoHS compliant, aligning with environmental standards. Typical applications include front panels, car dashboards, telephone sets, and instrumentation. It's designed for momentary contact and is compatible with pick-and-place machines, streamlining manufacturing processes. Please consult the manufacturer for contractual specification packages for applications requiring stringent quality or safety standards.

Authorized Distributors
Source:DigiKey
Part No:KST221G LFS
Stock:6632
Inv Date:06-15-2026
Price: Unit price: $1.62
Buy/RFQ:
Part No:KST221G LFS
Stock:0
Inv Date:06-16-2026
Price: Unit price: $1.6
Buy/RFQ:
Part No:KST221GLFS
Stock:22725
Inv Date:06-15-2026
Price: Unit price: $1.13
Buy/RFQ:
Part No:KST221GLFS
Stock:22725
Inv Date:06-15-2026
Price: Unit price: $1.13
Buy/RFQ:

C&K COMPONENTS KST221GLFS Long Travel Tact Switch Specifications:

  • FUNCTION: Momentary CONTACT
  • CONTACT ARRANGEMENT: 1 make contact = SPST N.O.
  • TERMINALS: J BEND OR GULLWING TYPE FOR SMT
  • MAXIMUM APPLIED FORCE: 4 KG (4078GF)
  • MAXIMUM ALLOWED TRAVEL: 1.75MM
  • OPERATING FORCE: 1.6-3.2 N (grams)±30%
  • OPERATING LIFE: 100,000 operations
  • TRAVEL TO MAKE: 1.3+0.3/-0.2 mm
  • SWITCHING POWER MAX: 1.0 VA 0.2 VA
  • MAXIMUM POWER: 1.0 VA 0.2 VA
  • MAXIMUM VOLTAGE: 32 VDC
  • MINIMUM VOLTAGE: 20 MV
  • MAXIMUM CURRENT: 50 MA 10 MA
  • MINIMUM CURRENT: 1 MA 1 MA
  • DIELECTRIC STRENGTH: ≥ 250 Vrms
  • CONTACT RESISTANCE: < 100mΩ
  • INSULATION RESISTANCE: Initial measurement: ≥ 1GΩ, After damp heat: ≥ 10MΩ
  • BOUNCE TIME: < 5 ms
  • OPERATING TEMPERATURE: -40°C to +85°C (Silver), -40°C to +125°C (Gold)
  • STORAGE TEMPERATURE: -40°C to +85°C (Silver), -40°C to +125°C (Gold)
  • COMPATIBILITY: Compatible with the lead free reflow soldering process
  • PACKAGING: Continuous tape and reels of 1,000 pieces, 330 (12.992) external diameter

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Frequently Asked Questions

Where can I buy C&K COMPONENTS KST221GLFS?

You can click on the BUY or RFQ button to purchase KST221GLFS from an authorized C&K COMPONENTS distributor.

How do I troubleshoot issues or seek technical support for part KST221GLFS?

You can download the KST221GLFS datasheet or visit the C&K COMPONENTS website for support.

Who is the manufacturer of KST221GLFS?

C&K COMPONENTS

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