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C&K COMPONENTS RKB2SJM250SMTRLFS Microminiature Tactile Switch

The RKB2SJM250SMTRLFS is a highly reliable, microminiature SMT top actuated tactile switch designed for compact electronic devices. It features a low profile height of 0.55 mm, with an actuation force of 250 gf and up to 50,000 cycles of life. Suitable for use in keyfobs, medical devices, and navigation systems, it offers SMT termination, excellent electrical insulation, and robust durability. Its dielectric strength is 250 VAC for 1 minute, and it supports both lead-free and standard soldering methods, ensuring versatile application in modern manufacturing.

Authorized Distributors
Source:Newark
Part No:RKB2SJM250SMTR LFS
Stock:3157
Inv Date:06-15-2026
Price: Unit price: $0.058
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Source:DigiKey
Part No:RKB2SJM250SMTR LFS
Stock:3666
Inv Date:06-15-2026
Price: Unit price: $0.23
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Part No:RKB2SJM250SMTR LFS
Stock:8003
Inv Date:06-16-2026
Price: Unit price: $0.2
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Part No:RKB2SJM250SMTR LFS
Stock:0
Inv Date:06-15-2026
Price: Unit price: $0.23
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Part No:RKB2SJM250SMTRLFS
Stock:0
Inv Date:06-15-2026
Price: Unit price: $0.097
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Part No:RKB2SJM250SMTRLFS
Stock:0
Inv Date:06-15-2026
Price: Unit price: $0.0972
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C&K COMPONENTS RKB2SJM250SMTRLFS Microminiature Tactile Switch Specifications:

  • Dimensions: 2.5 mm height, 4.5 x 4.5 mm footprint, 0.55 mm height
  • Actuation Force: 250 gf
  • Travel Distance: Not specified
  • Electrical: Max Voltage DC 15V, Max Current 20 mA, Resistance 500 mΩ, Insulation 250 VAC
  • Mechanical: Up to 50,000 life cycles, bounce time less than 10 ms
  • Environmental: Operating temperature -40°C to 85°C, compatible with lead-free soldering
  • Termination: SMT gullwing, compatible with infrared reflow, packaging options available
  • Dielectric Strength: 250 VAC for 1 minute
  • Packaging: 3,000 pieces per reel
  • Additional features: Hard actuator, suitable for portable electronics, medical, and navigation applications

Buy the CK Switches Series RK: Microminiature SMT Top Actuated Tact Switch: RKB2SJM250SMTRLFS

Discover the high-quality CK Switches RKB2SJM250SMTRLFS tactile switch, ideal for compact electronics, medical devices, and keyfobs. Engineered with a low profile of 0.55 mm, it offers a 250 gf actuation force and supports up to 50,000 operational cycles for long-lasting use. Its SMT gullwing termination ensures easy assembly and reliable electrical connections. Solder compatible with infrared reflow and lead-free methods, this switch provides excellent dielectric strength of 250 VAC for 1 minute, making it a perfect choice for modern, space-efficient designs demanding durability, precision, and high performance.

Get CK Switches RKB2SJM250SMTRLFS today—built for precision, durability, and reliable performance in compact electronic designs.

Frequently Asked Questions

Where can I buy C&K COMPONENTS RKB2SJM250SMTRLFS?

You can click on the BUY or RFQ button to purchase RKB2SJM250SMTRLFS from an authorized C&K COMPONENTS distributor.

How do I troubleshoot issues or seek technical support for part RKB2SJM250SMTRLFS?

You can download the RKB2SJM250SMTRLFS datasheet or visit the C&K COMPONENTS website for support.

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