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Popularization of Science|Understanding Connectors: Board-in Connectors

I. About the Board-in connectors:

The Board-in Connector is an in-line connector that allows multiple terminals to be mounted directly to a printed circuit board (PCB) for simple and permanent connections. Board-in Connectors are now mainstream vertical and right-angle two modes more convenient to save space, providing designers with more choices. It offers a wide range of spacing options, mating configurations, and circuit sizes for greater reliability than hand soldering.

Board-in connectors

II. The relative advantages of Board-in connectors:

  • One-piece, direct solder-to-board assembly saves space and cost and is easy to assemble compared to two-piece models
  • Terminal and housing locking features ensure secure terminal retention force
  • Board-in Connectors are available in right angle and straight housing options:
    1. Protective terminals for use as wire alignment and fixtures prior to and during the welding process
    2. Stress relief after welding
  • Standard through-hole welding method for more reliable welds than uneven and labor-intensive manual welds
  • Board-in Connectors are available in 1.25mm, 2.0mm, 2.5mm and 4mm pitch sizes, configurations and circuit sizes for greater design flexibility

The advantages of Board-in connectors

III. Recommendations for Board-in connectors:

When choosing a connection type, designers often need to consider factors such as cost, assembly requirements, and whether or not the connection needs to be disassembled. In cases where a simple connection will suffice, Board-in connectors are becoming the choice of more designers than hand-soldering other connectors.

Board-in Connector fulfill the requirement for cost-effective and easy-to-assemble connections without disassembly of at least one end. Compared to other in-board connectors, KONNRA connectors offer the widest range of pitch options, mating configurations, and circuit sizes that customers can choose from to meet their needs.

KR2508 Series SCN Board In Connector
KR2508 Series SCN Board In Connector
KR1502 Series SZN Board In Housing Connector
KR1502 Series SZN Board In Housing Connector

IV. The application of Board-in connectors:

Compared with other connectors, Board-in connectors can better protect the retention of terminals, and are more suitable for medical, lighting, automotive, refrigerator and factory equipment and other industry sectors that require high retention.

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