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C&K COMPONENTS K5V1BU43T Illuminated Tact Switch

The K5V series illuminated tact switch features a compact 40 x 40 mm footprint with high-brightness LEDs, durable contacts, and multiple mounting options. Designed for applications requiring reliable switching with precise tactile feedback, it includes LED illumination with various colors, and is suitable for server, automotive, medical, and industrial equipment. It offers excellent ergonomics, options for sealing, and compatibility with lead-free reflow soldering processes, ensuring high performance in space-constrained environments with long cycle life and IP67/IP40 protection levels.

Authorized Distributors
Source:Newark
Part No:K5V1 BU 43 T
Stock:307
Inv Date:06-15-2026
Price: Unit price: $14.47
Buy/RFQ:
Source:DigiKey
Part No:K5V 1 BU 4 3 T
Stock:287
Inv Date:06-15-2026
Price: Unit price: $15.91
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Source:DigiKey
Part No:K5V1BU43T
Stock:500
Inv Date:06-15-2026
Price: Unit price: $8.59
Buy/RFQ:
Part No:K5V1BU43T
Stock:400
Inv Date:06-16-2026
Price: Unit price: $13.13
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Part No:K5V1BU43T
Stock:2270
Inv Date:06-15-2026
Price: Unit price: $7.72
Buy/RFQ:
Part No:K5V1BU43T
Stock:2270
Inv Date:06-15-2026
Price: Unit price: $7.72
Buy/RFQ:
Part No:K5V1BU43T
Stock:0
Inv Date:06-15-2026
Price: Unit price: $8.7
Buy/RFQ:
Part No:K5V1 BU 43 T
Stock:600
Inv Date:06-16-2026
Price: N/A
Buy/RFQ:

C&K COMPONENTS K5V1BU43T Illuminated Tact Switch Specifications:

  • Size: 40 x 40 mm footprint, height options 1.2 mm, 1.4 mm, 1.2 mm, 1.8 mm, 2.5 mm, 3.1 mm, 4.3 mm, 4.9 mm, 5.2 mm
  • Actuation Force: 1.5N to 4.0N depending on model
  • Travel: 0.15 mm to 0.45 mm
  • Contacts: SPST, N.O., gold or silver plated
  • LED Color: White, Blue, Green, Red, Yellow, Orange, bi-color options available
  • LED Brightness: 20 to 280 med, peak wavelength 460-645 nm
  • Power Rating: 15V DC, 20mA max
  • Sealing: IP67/IP40 depending on model
  • Operating Temp: -40°C to +85°C, -40°C to +125°C for gold contacts
  • Soldering: Compatible with lead-free reflow (IEC61760-1), no washing required
  • Protection: Dust tight, flux resistant, IP67/IP40 options
  • Environmental: RoHS compliant, UL94 VO housing material
  • Packaging: Reels of 900 to 3,000 pieces, reel diameter 330-380 mm, EIA/IEC compliant

Buy the CK Switches K5V – Reliable Illuminated Tact Switch for Industrial Applications

Discover the CK Switches K5V illuminated tact switch, designed for space-critical applications like server, automotive, and medical devices. Featuring high-brightness LEDs, sealed IP67/IP40 protection, multiple actuator heights, and RoHS compliance, it ensures long cycle life and reliable tactile feedback. Perfect for front panels, backlighting, and various industrial controls, this switch offers excellent ergonomics and high-temperature operation. Order online now and give your electronic designs the performance and durability they deserve.

Order your CK Switches K5V illuminated tact switch today and enhance your electronic products with high visibility, durability, and reliable performance.

Frequently Asked Questions

Where can I buy C&K COMPONENTS K5V1BU43T?

You can click on the BUY or RFQ button to purchase K5V1BU43T from an authorized C&K COMPONENTS distributor.

How do I troubleshoot issues or seek technical support for part K5V1BU43T?

You can download the K5V1BU43T datasheet or visit the C&K COMPONENTS website for support.

Who is the manufacturer of K5V1BU43T?

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