PCB Plug and socket info sought.

[yoda]

Does anybody know what the make or proper name is for the 4 pin plug shown on the image? The circuit board is the amplifier unit for a Silva Nexus echo sounder and I need to try and find new plugs for the cables that attach to the board.



The total width of the unit is about 10mm and the distance between pins is about 2.5mm

Thanks for any help
Yoda

 

[Lon nan Gruagach]

Bit of a nightmare...
What you have generically is a 4 pin right angle male pcb header (Molex). Trouble is there are so many manufacturers' styles that getting just then right one is a bit of a stab in the dark.
My first approach would be a Molex, if that does not fit properly then replace the pcb connector for the mating Molex type.

Meanwhile...
https://www.bitsbox.co.uk/index.php?main_page=product_info&cPath=225_339&products_id=2801&zenid=ee55o8tmonpsrr66baor606fj7

 

[superheat6k]

If you can identify which wire goes onto which pin then you could directly connect each wire with a small piece of heatshrink up the wire, solder the individual wires, then slide over the heatshrink isolate each cable from its neighbours. If you wanted you could then attach a 4 pin connector in line to restore dis-connectability, if this is necessary.

Gently prising two of the pins, say 1 & 3, up 90 degrees will increase the separation of the individual wires..

 

[Bilgediver]

Does anybody know what the make or proper name is for the 4 pin plug shown on the image? The circuit board is the amplifier unit for a Silva Nexus echo sounder and I need to try and find new plugs for the cables that attach to the board.

View attachment 64078

The total width of the unit is about 10mm and the distance between pins is about 2.5mm

Thanks for any help
Yoda

It is an IDC connector and most need expensive tools to assemble them however RS do one which is OK for hand assembly.

http://uk.rs-online.com/web/p/idc-connectors/1899463/

 

[Bilgediver]

Does anybody know what the make or proper name is for the 4 pin plug shown on the image? The circuit board is the amplifier unit for a Silva Nexus echo sounder and I need to try and find new plugs for the cables that attach to the board.

View attachment 64078

The total width of the unit is about 10mm and the distance between pins is about 2.5mm

Thanks for any help
Yoda

It is an IDC connector and most need expensive tools to assemble them however RS do one which is OK for hand assembly.

http://uk.rs-online.com/web/p/idc-connectors/1899463/

 

[JohnGC]

It's not an IDC.

Dougal's description is correct.

Although there may be an IDC header which will mate with the PCB part.

The wires will be stripped and probably crimped onto terminals which are then pushed into the housing. If you look at the housing, you are likely to see small holes on the side into which barbs on the crimp latch. By carefully pressing through the hole on to the barb and then pulling on the wire, you should be able to release the wire with its crimp and pull it clear of the housing.

If you can identify the connector, you only need buy new crimps as you can reuse the housing.

If the wires have been soldered onto the crimps, then you may be able to reuse them. But I wouldn't hold out much hope.

If you look at RS or Farnell you may be able to identify the connector or find one which is close.
You could start here;
http://uk.farnell.com/w/c/connector...ors?no-of-contacts=4contacts&no-of-rows=1rows

These will be termed "wire to board" connectors and further categorised by pin pitch. IE the distance from one pin centre to the next.

Another approach which might work for you, is to cut the wire some distance away from the plug and solder the ends to a new cable.

Soldering direct to the PCB pins, as has been suggested, is also a good idea if you don't need to preserve the disconnect.

If you can find another connector with the same pitch, but not one that will mate with the PCB part, then you could change both parts.

John.