Electronics > Projects, Designs, and Technical Stuff
Decent DC power connectors that aren't barrel or powerpoles?
IDEngineer:
--- Quote from: David Hess on May 28, 2019, 08:39:24 pm ---The Molex 1625 series work for this type of application... There is similar but larger 15 amp version which uses the same crimper above and a larger .093" pin extractor...
--- End quote ---
You won't find anything cheaper than the Molex connectors. And while "cheap" and "reliable" are usually mutually exclusive, Molex has these connectors really dialed in. They're ugly but do the job.
Another suggestion is the "Deutsch" style connectors, available from both Deutsch themselves as their DT-series and Amphenol as their AT series (and they are physically and electrically compatible). The basic style is rated for 13A per pin and there is a "power" version that goes to 25A. They're also waterproof if that's useful to you. Contacts available in both solder and crimp so you don't have to buy an expensive, dedicated crimping tool. More expensive than the Molex (everything will be) but used throughout the automotive industry so they have tons of history and are well characterized for nasty environments. Available in cable, panel, and PCB mounts though not every pin count is available in every mounting style.
Here's a 2 pin example stocked by Mouser: https://www.mouser.com/ProductDetail/TE-Connectivity-DEUTSCH/DT06-2S-C017?qs=sGAEpiMZZMs7eK6h2EBtKo3289hpF6BIKq5aaemO3wo%3D
...and here's a 2 pin example stocked by DigiKey: https://www.digikey.com/product-detail/en/amphenol-sine-systems-corp/AT06-2S/889-1012-ND/2125184
Both vendors stock the opposite gender mating connector as well.
Jeroen3:
This is the kit variant of the two pole mentioned above.
https://www.digikey.com/product-detail/en/amphenol-sine-systems-corp/AT2PS-CKIT/889-1234-ND/4415018
These are the tools $$$:
https://nl.mouser.com/ProductDetail/Amphenol-SINE-Systems/CA-5D12?qs=G1ypbwQO0GwlwsHPbYz8qw%3D%3D
https://nl.mouser.com/ProductDetail/Amphenol-SINE-Systems/ATT-20-00?qs=6E8igxPflKewd6RHECuZSw%3D%3D
Which move crimp systems beyond reach for diy use.
IDEngineer:
As I mentioned, there are solder versions of the contacts which reduce the cost of the crimping tool to zero.
Perfectbaguette:
Yamaha e-bikes use Hirose HR30 connectors. Solder lips, positive lock and available in wire-wire and wire-panel. Not sure if they are rated for 5k insertions though, that's really a lot. That's several times the rating of a USB Type A socket.
NiHaoMike:
What about 4 pin "ATX12V" connectors?
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