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TE Connectivity AMP Connectors
1551576-5
TE Connectivity AMP Connectors
155157x Series
 
TE Connectivity AMP Connectors
1551631-5
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155157x Series

Spring Fingers

TE Connectivity AMP 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 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.

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
Benefits:
  • Prevents EMI noise and static
  • Provides a highly reliable connection
  • Provides an easy and inexpensive method for connecting multiple PCBs
  • Allows for versatility in design of the PCB
  • Can be designed in at the last minute
  • No expensive specialized equipment needed
Applications:
  • Cell phones, smart phones
  • MP3 players
  • Digital cameras, camcorders
  • GPS units
  • eReaders
  • Tablets
  • PCs and laptops
  • Home electronic devices
  • Automotive
  • Industrial equipment
Specifications
  • Attachment Method:Solder
  • Length:0.128" (3.26mm)
  • Material:Stainless Steel
  • Plating:Gold
  • Type:Shield Finger, Pre-Loaded
  • Width:0.045" (1.15mm)
Parts

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1551575-51551575-5PRE-LOADED SPRING FINGER 3MM Shield Finger, Pre-Loaded-0.045" (1.15mm)0.128" (3.26mm)RoHS
1551573-51551573-5PRE-LOADED SPRING FINGER 2.15MM Shield Finger, Pre-Loaded-0.045" (1.15mm)0.128" (3.26mm)RoHS
1551572-51551572-5PRE-LOADED SPRING FINGER 1.8MM Shield Finger, Pre-Loaded-0.045" (1.15mm)0.128" (3.26mm)RoHS
1551574-51551574-5PRE-LOADED SPRING FINGER 2.6MM Shield Finger, Pre-Loaded-0.045" (1.15mm)0.128" (3.26mm)RoHS

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