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From: liz@poppyrecords.invalid.invalid (Liz Tuddenham)
Newsgroups: sci.electronics.design
Subject: Re: high curent PCB connector
Date: Sun, 16 Feb 2025 10:43:03 +0000
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Bill Sloman <bill.sloman@ieee.org> wrote:

> On 16/02/2025 3:17 am, john larkin wrote:
> > On Sat, 15 Feb 2025 14:13:20 +0000, piglet <erichpwagner@hotmail.com>
> > wrote:
> > 
> >> On 15/02/2025 12:20 am, Phil Hobbs wrote:
> >>> piglet <erichpwagner@hotmail.com> wrote:
> >>>> john larkin <JL@gct.com> wrote:
> >>>>> Does anyone have a favorite high-current PCB connector?
> >>>>>
> >>>>> I'd like to get 20 wires into a pluggable connector, to go on a
> >>>>> module like this:
> >>>>>
> >>>>> https://highlandtechnology.com/Product/P948
> >>>>>
> >>>>> We need at least 7 amps per contact.
> >>>>>
> >>>>> That litle green Phoenix connector is cool. Wires screw into it
> >>>>> without tooling, and it's easy to mate and unmate. But it's only 5
> >>>>> pins.
> >>>>>
> >>>>> I was planning to use four of them, with two on a baby board, but
> >>>>> that idea wasn't popular.
> >>>>>
> >>>>>
> >>>>
> >>>> Phoenix  do make 20 pin version (as two rows of ten) with 10 amp per
> >>>> pin on 200 mil pitch.
> >>>>
> >>>
> >>> Do they actually make them m, as in somebody has them for sale, or are
> >>> they just listed in a catalogue?
> >>>
> >>> Connector catalogs are full of things that they would love to make for
> >>> you if you want to order 100,000 pieces and can wait six months.
> >>>
> >>> Cheers
> >>>
> >>> Phil Hobbs
> >>>
> >>
> >> But JL's customers are aerospace so will be used to exotic, hard to
> >> find connectors - would they respect him for using an easily buyable
> >> connector :)
> >>
> >> piglet
> > 
> > The nice thing about the Phoenix connectors is that you don't need a
> > soldring iron or pins and crimp tools to terminate wires, just a small
> > screwdriver.
> 
> That's not nice. It's just cheap. At Cambridge Instruments the argument
> for going over to crimp connectors was that you found a lot less duff
> connections when you were putting product through final test.
> 
> The parts and tools were more expensive, but fault-finding and fault 
> correction were expensive enough to tip the balance.

Was the cost of repair throughout the equipment's lifetime taken into
account?  Faulty crimps, especially if the wires are a bit short, can
take ages to put right.


-- 
~ Liz Tuddenham ~
(Remove the ".invalid"s and add ".co.uk" to reply)
www.poppyrecords.co.uk