- Flakey Molex(?) connectors - 3 Updates
| Bob Engelhardt <BobEngelhardt@comcast.net>: Jun 17 07:52AM -0400 On 6/15/2019 5:04 PM, John Robertson wrote: > If these connectors are accessible to end users, ... > Usual life cycles are under 100 insertions, ... Highly inaccessible. I hadn't thought about life cycles - it's something to keep in mind. > Also these pins are rated at 2A max, ... They're just control wires - ma's likely. > I've been using Dow Corning #4 Dielectric Grease on connector pins ... I'd like a conductive grease. Pack some in the connector pocket & let grease make the connection. Except if it leaks out, it wouldn't be good. Thanks, Bob |
| Bob Engelhardt <BobEngelhardt@comcast.net>: Jun 17 08:16AM -0400 On 6/15/2019 7:40 PM, Jeff Liebermann wrote: > square pin connectors in commercial 2-way Motorola radios and > repeaters for quite some time. ... > The edges of the square pin had a burr along two adjacent edges. ... It must have been very satisfying to find the smoking gun. Or the smoking edges in this case. Even if there wasn't a burr, a slight misalignment would make the pins contact on their corners iso the flats. >> BTW - I fixed the tool by removing the contacts from the shell and >> soldering them to the pins on the board. > Yech. Whatever works. Frankly, I didn't have much choice, given my limited equipment and skills. Even replacing the contacts would have meant making a crimp connection smaller than my means to. Thanks for your reply, Bob |
| Bob Engelhardt <BobEngelhardt@comcast.net>: Jun 17 08:22AM -0400 On 6/16/2019 11:09 AM, N_Cook wrote: > Assuming not failed crimp/s , with needle nose pliers , I put a set on > every other pin, not enough to negate mating of course I love it! That is perfectly "KISS". I'll be getting more tools with this problem and that is how I'm going to fix them. Thank you! Bob |
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