How to identify connectors
Connectors provide a separable electrical joint between cables, boards and equipment.
Have one in front of you? Photograph it and get an evidence-backed identification.
Identify from a photoIdentification clues
- —Pin count and pitch
- —Keying features and polarisation
- —Locking style — latch, bayonet, screw, push-pull
- —Housing markings and logo
- —Wire gauge and contact type (crimp, solder, IDC)
Common types
- —Circular industrial (M8/M12)
- —Wire-to-board
- —Board-to-board
- —Rectangular heavy-duty
- —Automotive sealed
- —RF coaxial
Typical failure modes
- —Fretting corrosion
- —Bent or pushed-back pins
- —Cracked housing
- —Seal failure and water ingress
- —Overheated contacts
What a replacement must match
- —Match series, pitch and pin count
- —Match gender and keying
- —Match contact plating and current rating
- —Match sealing rating
Photos that help identification
- —Photograph the mating face square-on
- —Show the side with latches
- —Include a scale for pitch
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Related guides
General reference information. Always verify against the manufacturer’s documentation before ordering or installing.