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C&K COMPONENTS RKA2SGK055SMTRLFS Microminiature SMT Tactile Switch

The RKA2SGK055SMTRLFS is a microminiature SMT tactile switch designed for space-constrained electronic devices. Featuring a top actuated, momentary action mechanism with a 180 gf operating force, it offers excellent durability with up to 100,000 life cycles. The switch has a low profile height of 0.55 mm, making it suitable for compact assemblies. Its SMT termination ensures easy surface mounting. The switch operates reliably from -40°C to 85°C and is lead-free compatible, ideal for medical, navigation, and keyfob applications requiring high precision and repetitive actuation.

Authorized Distributors
Source:Newark
Part No:RKA2SGK055SMTR LFS
Stock:4850
Inv Date:06-15-2026
Price: Unit price: $0.025
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Source:DigiKey
Part No:RKA2SGK055SMTR LFS
Stock:0
Inv Date:06-15-2026
Price: Unit price: $0.15119
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Part No:RKA2SGK055SMTR LFS
Stock:5825
Inv Date:06-16-2026
Price: Unit price: $0.26
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Part No:RKA2SGK055SMTR LFS
Stock:0
Inv Date:06-15-2026
Price: Unit price: $0.28
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Part No:RKA2SGK055SMTRLFS
Stock:5000
Inv Date:06-15-2026
Price: Unit price: $0.124
Buy/RFQ:
Part No:RKA2SGK055SMTRLFS
Stock:5000
Inv Date:06-15-2026
Price: Unit price: $0.124
Buy/RFQ:
Part No:RKA2SGK055SMTRLFS
Stock:0
Inv Date:06-15-2026
Price: Unit price: $0.121
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C&K COMPONENTS RKA2SGK055SMTRLFS Microminiature SMT Tactile Switch Specifications:

  • Function: momentary action
  • Contact arrangement: SPST N.O.
  • Max Voltage: DC 15V
  • Max Current: 20 mA
  • Contact Resistance: 50 mΩ min
  • Insulation Resistance: 500 MΩ min
  • Dielectric Strength: 250 VA (1 minute)
  • Bounce Time: < 10 ms
  • Operating Force: 180 gf
  • Life Cycles: 100,000
  • Operating Temperature: -40°C to 85°C
  • Dimensions: Height 0.55 mm
  • Material: Copper alloy with lead-free plating
  • SMT Termination: Gullwing, Bend
  • Lead-Free Compatible: Yes
  • Packaging: 5,000 pieces per reel
  • Soldering Method: Infrared reflow
  • Grounding Option: Ground pin available

Buy the CK Switches RKA2SGK055SMTRLFS – Reliable Tactile Switch for Industrial Applications

Enhance your electronic projects with the CK Switches RKA2SGK055SMTRLFS, a compact and reliable tactile switch. Designed for space-constrained environments, it offers excellent durability with 100,000 life cycles, operates across a wide temperature range, and features lead-free compliance. Perfect for medical devices, navigation systems, and keyfobs, this switch provides precise actuation with low profile height, easy SMT mounting, and consistent performance. Purchase online now and ensure your designs have the high-quality switching components they need for reliable operation and long-term durability.

Order your CK Switches RKA2SGK055SMTRLFS tactile switch today and equip your electronics with dependable, space-saving tactile switching solutions.

Frequently Asked Questions

Where can I buy C&K COMPONENTS RKA2SGK055SMTRLFS?

You can click on the BUY or RFQ button to purchase RKA2SGK055SMTRLFS from an authorized C&K COMPONENTS distributor.

How do I troubleshoot issues or seek technical support for part RKA2SGK055SMTRLFS?

You can download the RKA2SGK055SMTRLFS datasheet or visit the C&K COMPONENTS website for support.

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