Spring Fingers – Mobile Internal Connectors

Mobile Internal Connectors

Spring finger contacts (also known as shield fingers, grounding springs, universal ground contacts, or clips) can be used in all types of small printed circuit board applications across all industries. It can be used for antenna feeds, low voltage electrical connections, or for grounding to prevent EMI noise and static caused by a speaker, motor, microphone, or any other vibration within an application. We continue to expand our spring finger contacts portfolio, offering a broad range of styles, heights, and materials to meet all customers’ needs.

Product Features

Specifications for Spring Fingers Contacts
  • Used for grounding between a device and PCB
  • Provides shielding for anything that can cause vibrations within a device, such as motors, speakers, and microphones
  • Provides a cost effective solution for antenna feeds in all types of devices
  • Requires limited space on a PCB
  • Used as a connection for simple stacking applications between primary and secondary PCBs
  • Available in heights as low as 1.0mm and up to 4.3mm
  • Accommodates soldering and pick and place, using standard equipment

Frequently Asked Questions

Q: Why would I use a pre-loaded spring finger in an application?
A: A pre-loaded spring finger allows for the same amount of force with a smaller compression and provides a stable electrical contact with minimal deflection. These features are useful for applications with limited available height.

 

Q: Which style of spring finger is best for my application?
A: Spring fingers are typically some of the last pieces added to a board. The type used depends upon the height and space left on the board, but the decision is typically based on your design needs.

 

READ MORE ABOUT SPRING FINGER CONTACTS

 

  1. Scalable Spring Finger Contacts (English)

A 360-degree view of our spring fingers – also known as shield fingers, grounding fingers, or universal contacts.

  • Slim Solutions (English)

These versatile contacts can be mounted on a single footprint so the customer can swap in a new size easily when a design change is needed.
Eric Himelright,
Vice President, Product Development
Scalable Spring Finger Contacts