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C&K COMPONENTS KMS221GLFS Microminiature SMT Tactile Switch

The KMS Series Microminiature SMT Top Actuated Tactile Switch is designed for compact applications requiring reliable tactile feedback and ESD protection. With a thickness of only 1.42mm, it offers a high-quality tactile feel suitable for mobile phones, medical handheld monitors, consumer electronics, and telecommunication devices. It features gullwing SMT terminations without pegs, and its sealed IP40 construction ensures durability. Available with options for contact material and actuation force, this switch is ideal for space-constrained electronic devices needing dependable operation and compliance with RoHS standards.

Authorized Distributors
Source:Newark
Part No:KMS221G LFS
Stock:21033
Inv Date:06-15-2026
Price: Unit price: $0.196
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Source:DigiKey
Part No:KMS221G LFS
Stock:11781
Inv Date:06-15-2026
Price: Unit price: $0.73
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Source:DigiKey
Part No:KMS221GLFS
Stock:15000
Inv Date:06-15-2026
Price: Unit price: $0.32
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Part No:KMS221G LFS
Stock:7955
Inv Date:06-16-2026
Price: Unit price: $0.73
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Part No:KMS221GLFS
Stock:39000
Inv Date:06-15-2026
Price: Unit price: $0.2922
Buy/RFQ:
Part No:KMS221GLFS
Stock:39000
Inv Date:06-15-2026
Price: Unit price: $0.2922
Buy/RFQ:
Part No:KMS221GLFS
Stock:0
Inv Date:06-15-2026
Price: Unit price: $0.325
Buy/RFQ:

C&K COMPONENTS KMS221GLFS Microminiature SMT Tactile Switch Specifications:

  • Function: Momentary
  • Contact Arrangement: SPST, N.O.
  • External Diameter: 330mm + 2mm
  • Terminals: Gullwing type for SMT, no pegs
  • IP Rating: IP40 sealed
  • Electrical Max Power: 1VA, 0.2 VA
  • Maximum Voltage: 32 VDC
  • Overload Force: 20N MAX
  • Maximum Current DC: 50 mA
  • Minimum Current DC: 1 mA
  • Dielectric Strength: 250 VDC
  • Contact Resistance: <100 mo
  • Operating Force: 2N (200g), 3N (300g)
  • Travel: 0.25 ± 0.15 mm
  • Bounce Time: <3ms
  • Operating Temperature: -40°C to 85°C / -40°C to 125°C
  • Storage Temperature: -55°C to 85°C / 55°C to 125°C
  • Soldering Method: Lead-free reflow per IEC 61760-1
  • Dimensions: Approximate diameter 1.67mm, height 0.229mm

Buy the KMS Series – Reliable Tactile Switch for Industrial Applications

Enhance your electronic device with the reliable KMS Series Microminiature SMT Tactile Switch, offering excellent tactile feedback, compact size, and ESD protection. Perfect for mobile phones, medical monitors, consumer electronics, and telecom networks, this switch features gullwing terminals without pegs and sealed IP40 construction. Choose from varied actuation forces and contact materials to suit your application. Designed for durability and RoHS compliance, order online today to ensure high performance and space-saving solution for your electronic projects.

Buy KMS Series tactile switches now and experience unmatched reliability and performance in compact electronic designs.

Frequently Asked Questions

Where can I buy C&K COMPONENTS KMS221GLFS?

You can click on the BUY or RFQ button to purchase KMS221GLFS from an authorized C&K COMPONENTS distributor.

How do I troubleshoot issues or seek technical support for part KMS221GLFS?

You can download the KMS221GLFS datasheet or visit the C&K COMPONENTS website for support.

Who is the manufacturer of KMS221GLFS?

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