Ultra-Small Spring Fingers

By TE Connectivity AMP Connectors 236

Ultra-Small Spring Fingers

TE Connectivity’s spring fingers, also known as shield fingers, grounding springs, universal ground contacts, or antenna clips, can be used in all types of small printed circuit board (PCB) applications across all industries. Spring fingers are single contact, surface mountable internal connectors with multiple functions on a PCB. They can be used for antenna feeds, low voltage electrical connections and grounding, or shielding. They are beneficial in preventing EMI noise and static caused by speakers, motors, microphones, or any other type of connector that can cause 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.

Benefits
  • Save valuable PCB space with one of the smallest footprints in the market
  • Closed-loop contact design ensures a reliable connection to the PCB, better normal force, and higher current capacity (1.5 A)
  • Robust side wall minimizes over-compression
  • Special anti-lifting design can improve assembly efficiency by locking the tip of the contact within the sidewall of the spring finger, which helps prevent the contact from getting caught on an operator's glove during assembly
  • Pick-and-place area supports auto-assembly processes
  • Offered in different heights and styles
Features
  • 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 0.4 mm and up to 7 mm
  • Requires limited space on a PCB
  • Accommodates soldering and pick and place using standard equipment
Target Markets
  • Consumer electronics
  • Industrial
  • Automotive
  • Medical
Applications
  • Mobile phones
  • Wearable devices
  • Smart speakers
  • Bluetooth® earbuds
  • VR headsets
  • Tablets and laptops
  • Infotainment
  • Patient monitoring devices

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