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Spring Fingers Overview


Spring Fingers/Shield Fingers - Mobile Internal Connectors
Spring fingers (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. A spring finger is a single contact, surface mountable internal connector with multiple functions on a PCB. 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. TE continues to expand its spring finger portfolio offering a broad range of styles, heights, and materials to meet all customers’ needs.

    Key Features & Benefits
    • 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
    • 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
    • Requires limited space on a PCB
    • Accommodates soldering and pick and place using standard equipment
    Applications
    • Mobile phones
    • Wearable devices
    • Game consoles
    • Tablets
    • Patient monitoring devices
    • POS scanners
    • Security systems
    • GPS devices

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