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C&K COMPONENTS KMR221NGLFS Tactile Switch

The KMR 2 Series is a compact, microminiature SMT tactile switch designed for reliable momentary operation across various applications including automotive, industrial electronics, and medical equipment. Featuring a small footprint with four actuation forces, this switch offers excellent tactile feedback and ultra-low current capabilities. It supports a broad temperature range and complies with lead-free reflow soldering processes, making it suitable for space-constrained, high-reliability environments. Its versatile design includes options for gold or silver contacts, grounding, and different actuation forces, ensuring optimal performance in demanding applications.

Authorized Distributors
Source:Newark
Part No:KMR221NG LFS
Stock:15215
Inv Date:06-15-2026
Price: Unit price: $0.64
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Source:DigiKey
Part No:KMR221NG LFS
Stock:96037
Inv Date:06-15-2026
Price: Unit price: $0.67
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Source:DigiKey
Part No:KMR221NG LFS
Stock:48800
Inv Date:06-15-2026
Price: Unit price: $0.42
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Source:DigiKey
Part No:KMR221NGLFS
Stock:177999
Inv Date:06-15-2026
Price: Unit price: $0.291
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Part No:KMR221NG LFS
Stock:22868
Inv Date:06-16-2026
Price: Unit price: $0.66
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Part No:KMR221NGLFS
Stock:397048
Inv Date:06-15-2026
Price: Unit price: $0.3128
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Part No:KMR221NGLFS
Stock:397048
Inv Date:06-15-2026
Price: Unit price: $0.3128
Buy/RFQ:
Part No:KMR221NGLFS
Stock:14000
Inv Date:06-15-2026
Price: Unit price: $0.3
Buy/RFQ:
Part No:KMR221NG LFS
Stock:41705
Inv Date:06-16-2026
Price: N/A
Buy/RFQ:

C&K COMPONENTS KMR221NGLFS Tactile Switch Specifications:

  • Function: momentary action
  • Contact Arrangement: SPST, N.O.
  • Terminals: Gullwing type for SMT
  • Maximum Power: 1VA (Silver), 0.2VA (Gold)
  • Maximum Voltage: 32 VDC
  • Minimum Voltage: 20 mVDC
  • Maximum Current: 50 mA (Silver), 10 mA (Gold)
  • Minimum Current: 1 mA
  • Dielectric Strength: 250 Vrms
  • Operating Temperature: -40°C to 85°C / -55°C to 125°C
  • Storage Temperature: -40°C to 85°C / -55°C to 125°C
  • Mechanical Life: up to 300,000 cycles
  • Insulation Resistance: 200 MΩ
  • Contact Resistance: 0.20 mΩ typical
  • Housing Material: plastics suitable for SMT
  • Dimensions: Height approx. 21.9 mm, varying actuation forces (1.2N to 4N), various grounding options available
  • Packaging: Reels of 7,000 pieces, external diameter 330 mm
  • Soldering: Lead-free reflow compatible
  • Certifications: UL listed, RoHS compliant

Buy the CKSwitches KMR221NGLFS – Reliable Tactile Switch for Industrial Applications

Discover the dependable performance of the CKSwitches Tactile Switch Series KMR221NGLFS, engineered for high reliability in diverse industrial and medical applications. Its compact, ultra-low profile design with excellent tactile feedback ensures smooth operation in space-constrained environments. Suitable for surface-mount technology, this switch provides multiple actuation forces and grounding options, making it versatile for various electronic assemblies. Purchase online now to upgrade your products with quality switches that meet demanding industry standards for durability, consistency, and excellent tactile response.

Order your CKSwitches Series KMR221NGLFS tactile switch today and enhance your electronic devices with dependable, precision tactile feedback for industrial, automotive, and medical projects.

Frequently Asked Questions

Where can I buy C&K COMPONENTS KMR221NGLFS?

You can click on the BUY or RFQ button to purchase KMR221NGLFS from an authorized C&K COMPONENTS distributor.

How do I troubleshoot issues or seek technical support for part KMR221NGLFS?

You can download the KMR221NGLFS datasheet or visit the C&K COMPONENTS website for support.

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