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NKK Switches AT4139A Tactile Switch Cap

This is a JB tactile switch cap designed for use with compatible switch assemblies. It provides a reliable and tactile user interface, ideal for electronic projects and devices requiring switch feedback.

Authorized Distributors
Source:DigiKey
Part No:AT4139A
Stock:6224
Inv Date:06-17-2026
Price: Unit price: $3.38
Buy/RFQ:
Source:DigiKey
Part No:AT4139A
Stock:20
Inv Date:06-17-2026
Price: Unit price: $1.33
Buy/RFQ:
Part No:AT4139A
Stock:0
Inv Date:06-18-2026
Price: Unit price: $1.31
Buy/RFQ:
Part No:AT4139A
Stock:0
Inv Date:06-17-2026
Price: Unit price: $1.35
Buy/RFQ:
Part No:AT4139A
Stock:6109
Inv Date:06-17-2026
Price: Unit price: $1.25
Buy/RFQ:

NKK Switches AT4139A Tactile Switch Cap Specifications:

  • Material: Polycarbonate
  • Color: JB (Black)
  • Series: UB2
  • Type: Tactile switch cap
  • Diameter: 12mm
  • Application: Compatible with illuminated and nonilluminated switches
  • Design: Sculptured with a textured surface for tactile feedback
  • Usage: Suitable for electronic control panels and device interface switches
  • Durability: Resistant to impact and wear, ensuring long-term use

Buy the NKK Series UB2 JB Tactile Switch Cap: AT4139A

Enhance your electronic control panel with this high-quality JB tactile switch cap. Designed for reliability and ease of installation, it provides crisp tactile feedback for precise device operation. Made from durable polycarbonate, this switch cap withstands impact and wear, ensuring long-lasting performance. Its sculptured textured surface offers excellent tactile response, making it ideal for switches in professional, industrial, and DIY electronic projects. Simplify your assembly process and improve user interface response with this versatile switch accessory.

Order your NKK Series UB2 JB tactile switch cap today and give your electronic projects dependable feedback and enhanced control functionality.

Frequently Asked Questions

Where can I buy NKK Switches AT4139A?

You can click on the BUY or RFQ button to purchase AT4139A from an authorized NKK Switches distributor.

How do I troubleshoot issues or seek technical support for part AT4139A?

You can download the AT4139A datasheet or visit the NKK Switches website for support.

Who is the manufacturer of AT4139A?

NKK Switches

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