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Spring Fingers Overview


Spring Fingers/Shield Fingers - Mobile Internal Connectors
Spring fingers (also known as shield fingers, grounding springs or universal ground contacts) are used in almost every small printed circuit board application. A spring finger is a single contact, surface mountable, internal connector. It provides and electrical connection and grounding from EMI noise and static between a PCB and other electronic components, such as a secondary PCB, shield cam, antenna, or speaker. TE Connectivity offers a wide selection of spring fingers in varying styles and sizes depending on the type of application.

    Key Features
    • Used for grounding between device and PCB
    • Provides shielding from vibration from motors, antennas, speakers and microphones
    • Used as a connection for stacking applications between primary and secondary PCBs
    • Available in effective heights of 0.3mm - 6.5mm
    • Requires limited space on a PCB
    • Accommodates soldering and pick-and-place using standard equipment
    Applications
    • Mobile devices
    • Home entertainment
    • Personal computing
    • Industrial equipment

Spring Fingers - Mobile Internal Connectors

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