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Spring Fingers


TE Connectivity offers a wide selection of spring fingers in varying styles and sizes


TE Connectivity's 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 an 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.
TE Connectivity Spring Fingers

Features Applications
  • 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

Digi-Key P/N Manufacturer P/N Description  
A104053TR-ND 1551572-5 PRE-LOADED SPRING FINGER 1.8MM Datasheet
A104054TR-ND 1551573-5 PRE-LOADED SPRING FINGER 2.15MM Datasheet
A104055TR-ND 1551574-5 PRE-LOADED SPRING FINGER 2.6MM Datasheet
A104056TR-ND 1551575-5 PRE-LOADED SPRING FINGER 3MM Datasheet
Available in Tape & Reel (-TR-ND), Cut Tape (-CT-ND), and custom Digi-Reel® (-DKR-ND)