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C&K COMPONENTS RKB2SJK250SMTRLFS Microminiature Tactile Switch

The RKB2SJK250SMTRLFS is a microminiature SMT top-actuated tactile switch designed for compact electronic applications. Featuring a low profile of 0.55 mm height, it offers an actuation force of 250 gf and a life cycle of up to 50,000 operations. The switch has a silver-gilt contact surface, SPST N.O. contact arrangement, and is suitable for surface mount PCB mounting. It features a dielectric strength of 250 VAC for 1 minute, bounce time less than 10 ms, and operates reliably from -40°C to 90°C, making it ideal for health, medical devices, navigation, and keyfob systems.

Authorized Distributors
Source:Newark
Part No:RKB2SJK250SMTR LFS
Stock:2252
Inv Date:06-15-2026
Price: Unit price: $0.046
Buy/RFQ:
Source:DigiKey
Part No:RKB2SJK250SMTR LFS
Stock:0
Inv Date:06-15-2026
Price: Unit price: $0.1249
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Part No:RKB2SJK250SMTR LFS
Stock:1376
Inv Date:06-16-2026
Price: Unit price: $0.23
Buy/RFQ:
Part No:RKB2SJK250SMTR LFS
Stock:0
Inv Date:06-15-2026
Price: Unit price: $0.23
Buy/RFQ:
Part No:RKB2SJK250SMTRLFS
Stock:0
Inv Date:06-15-2026
Price: Unit price: $0.0972
Buy/RFQ:

C&K COMPONENTS RKB2SJK250SMTRLFS Microminiature Tactile Switch Specifications:

  • Contact Arrangement: SPST N.O.
  • Operating Force: 250 gf
  • Travel: 0.55 mm
  • Dielectric Strength: 250 VAC (1 minute)
  • Bounce Time: < 10 ms
  • Operating Temperature: -40°C to 90°C
  • Terminals: SMT type
  • Life Cycles: 50,000 operations
  • Dimensions: 2.5 mm height, 4.5 mm x 4.5 mm footprint
  • Contact Resistance: 100 MΩ min.
  • Max Voltage: DC 12V
  • Max Current: 50 mA
  • Environmental Resistance: Humidity, vibration resistant
  • Lead Free Compatibility: Yes

Buy the Buy CKSwitches RK Series RKB2SJK250SMTRLFS Part Number RKB2SJK250SMTRLFS Online

Purchase the CKSwitches RK Series RKB2SJK250SMTRLFS tactile switch online today. Ideal for high-density applications such as keyfobs and medical devices, this switch offers a low profile of 0.55 mm, 250 gf actuation force, and up to 50,000 cycles. The surface-mount design ensures easy integration into PCB assemblies, while its dielectric strength of 250 VAC guarantees safety and durability. Enjoy fast delivery, quality assurance, and excellent technical support when ordering this reliable switch online.

Get CKSwitches RK Series RKB2SJK250SMTRLFS today—built for precision, long-lasting durability, and reliable tactile switching in compact devices.

Frequently Asked Questions

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You can click on the BUY or RFQ button to purchase RKB2SJK250SMTRLFS from an authorized C&K COMPONENTS distributor.

How do I troubleshoot issues or seek technical support for part RKB2SJK250SMTRLFS?

You can download the RKB2SJK250SMTRLFS datasheet or visit the C&K COMPONENTS website for support.

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