Electronics > Beginners

Power pins on connector

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Epaperman:
If your power connector pins are rated for 1 amp but you need to load 1.5A.. can you use 2 contacts?

Note.. contacts have a resistance..

tszaboo:
What connector are you using?
Is it hot-plug?

Neomys Sapiens:
If you can, use three. At least you would be safe against a single failure. But under design review, it might not pass everywhere.

Gregg:
I've seen numerous hot swappable power supplies that use multiple pins or edge card connectors in parallel to achieve the power requirements.  As Neomys stated, use three instead of two; N+1 redundancy is always preferable to barely getting by.

Richard Crowley:
Yes, you can see that done in practically every computer on this planet.  There are probably 100s of millions of examples of using parallel pins to increase current capacity.

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