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I need to replace a fan (DC, Blower, 60x60x23mm) but the replacement unit I got (Delta AUB0712HH-C) came with the wires unfinished, which I'm aware is likely standard procedure but was news to me. And with that development I am officially out of my depths.

There are so many similar looking (Molex PicoBlade?) connectors I can't find an exact match and all of my local repair shops are no help until I find the connector. I'm finding it is very hard to find when you don't really know what you are asking for...

I've attached pictures along with some scale elements. The female portion is ~3mm W x ~4mm L x 2mm D (where D is the thickness of the plug; and L is the length of the portion that is inserted) and there the measurements of all 3 dimensions would be slightly larger if measuring the crown that sits atop the portion that is inserted... I see a lot of connectors listed by a single measurement (in mm) but which one is it?

Any additional pictures needed, please just let me know. And thank you so much.

enter image description here

And this is how the wires were finished; they went into the end pictured in the above photo lineup (bottom, center).

:

And THIS is the proper header... sorry, ladies and gentlemen.

enter image description here

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    \$\begingroup\$ cut off the old connector and splice it onto the new fan \$\endgroup\$
    – jsotola
    Dec 20, 2022 at 0:15
  • \$\begingroup\$ the plug has 4 pins and the cable connector has 3 pins \$\endgroup\$
    – jsotola
    Dec 20, 2022 at 0:17
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    \$\begingroup\$ "And THIS is the proper header... sorry, ladies and gentleman." Well, dang! OK, back to square one. \$\endgroup\$ Dec 20, 2022 at 4:51

3 Answers 3

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Looks like an Adam Tech 1CH-A-03.

This is a 1.25mm Picoblade plug: enter image description here

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    \$\begingroup\$ No, if you look at the header, you'll see that it has 4 walls. OP's header has 3 walls. Also, the pitch is 1 mm, and OP's pitch appears to be 1.25 mm. \$\endgroup\$ Dec 19, 2022 at 23:22
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    \$\begingroup\$ Hmm the center-top picture looks like 1.0mm pitch to me. PicoBlade also does not have a triangular pin 1 marking on the plug. \$\endgroup\$
    – vir
    Dec 19, 2022 at 23:23
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    \$\begingroup\$ Check this picture of a Picoblade header. Doesn't it look just like OP's? But you're right, the plug looks slightly different. \$\endgroup\$ Dec 19, 2022 at 23:29
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    \$\begingroup\$ I agree the header looks like a Picoblade header, but I think the pitch is off. I've attached a picture of a Picoblade to my original post. \$\endgroup\$
    – vir
    Dec 19, 2022 at 23:43
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    \$\begingroup\$ the pictures show 1 mm pin spacing ... they also show incompatible number of pins \$\endgroup\$
    – jsotola
    Dec 20, 2022 at 0:20
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The header looks like a low-profile wire-to-board connector, 1.25 mm pitch, crimp.

My Identiconn identified it as:

Molex 0533980490

{Digikey}

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And THIS is the proper header... sorry, ladies and [gentlemen].

OK, with the updated information, this is what my Identiconn reveals about the plug:

Note that the first line item is what @Vir said. Therefore, they were correct.

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