IDC Connector Types, IDC Wire To Board Connector

IDC, which stands for Insulation Displacement Contact, is a wire-to-board connector that creates secure, robust connection solutions. Each contact point of these connectors is equipped with an insulation piercing feature. The contacts have sharp blades which slice through the insulation surrounding a cable and allow for a direct exposure of the wire to the contact. IDC connectors are ideal since wire stripping is no longer needed. Overall, these connectors create for a faster and easier mating process.

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IDC Types

The options are:

• Insulation displacement connectors (3M Scotchlok)
• Crimped butt connectors (TE PIDG or Plasti-Grip
• Spring Connectors (Wago)

Here are random examples of the above (these are not selected for my application):

https://www.mouser.com/ProductDetail/3M-Electronic-Specialty/560B-BULK?qs=3gW96gqhLborxsSEYKXv0A%3D%3D

https://www.mouser.com/ProductDetail/TE-Connectivity/?qs=2ECNu9wPwy5ix9YN1BeGuA%3D%3D

https://www.wago.com/us/wire-splicing-connectors/splicing-connector/p/222-413

IDC connectors are attractive because they reduce labor.  You don't have to strip the wires and don't have to deal with any of the issues that can arise from stranded vs. solid wire.

Crimp-type butt connectors require stripping.  The advantage I see is that you can use full-cycle tooling to ensure a solid connection.  Generally speaking, crimp connections are very reliable and reasonably resistant to moisture.

The spring-type connector is interesting.  I am less familiar with reliability on these.  They do require wire stripping, so there's that extra step in time and labor.  They seem to be rated for a wide range of wire size and currents.  This could mean stocking a single part number to cover the range I mentioned above.  Not sure how these do with regards to moisture and long-term reliability.

I am looking for general commentary from anyone who might have considered these wire-to-wire joining options in applications with similar requirements.


Thanks,

-Martin

I am working on a design that requires wire splicing. One set of wires is carrying 400 VAC at about 1 A. Another set is 100 VDC at 3 to 5 A. No vibration other than whatever the product might be exposed to during shipping. No temperature extremes.The options are:Here are random examples of the above (these are not selected for my application):IDC connectors are attractive because they reduce labor. You don't have to strip the wires and don't have to deal with any of the issues that can arise from stranded vs. solid wire.Crimp-type butt connectors require stripping. The advantage I see is that you can use full-cycle tooling to ensure a solid connection. Generally speaking, crimp connections are very reliable and reasonably resistant to moisture.The spring-type connector is interesting. I am less familiar with reliability on these. They do require wire stripping, so there's that extra step in time and labor. They seem to be rated for a wide range of wire size and currents. This could mean stocking a single part number to cover the range I mentioned above. Not sure how these do with regards to moisture and long-term reliability.I am looking for general commentary from anyone who might have considered these wire-to-wire joining options in applications with similar requirements.Thanks,-Martin

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