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Old 05-03-2011, 12:58 AM #1
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Default 1n54xxx series diodes.

I just went to radio crack to get some of these, because I need to have a test load that isn't gonna blow up on me at 1.5-1.8 amps.

Is it okay to use 3 1n5402 diodes with 2 1n5404 diodes? I need to test 445 diodes, so I will be using 5 diodes in my test load. They only had two of each so I went ahead and grabbed them.

Also, can I just switch out these old 1n4001 diodes and replace it with 5 of the 1n54xxx series?



I sent a few pm's since it's just a small question, but had no replies yet, so pleaseee dont hop on me if it's already been asked, I just want to get this done before I go to work!


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Old 05-03-2011, 01:27 AM #2
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Default Re: 1n54xxx series diodes.

You can use the 1n5402s with the 1n5404s with no problems. As far as replacing the 1n4001s I see no issue with it.
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Old 05-03-2011, 01:36 AM #3
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Default Re: 1n54xxx series diodes.

k Thank ya my good sir! Only problem is the friggin 54 diodes are too big for the wholes on my breadboard!
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Old 05-03-2011, 01:52 AM #4
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Default Re: 1n54xxx series diodes.

Yep they are much bigger to handle more current. Just solder them to each other in a chain as that's what I did.
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Old 05-03-2011, 01:58 AM #5
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Default Re: 1n54xxx series diodes.

done and done! thanks man, have a on me
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Old 05-04-2011, 09:36 PM #6
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Default Re: 1n54xxx series diodes.

Depends on the kind of board, but these things can certainly be hefty.

540x series diodes are all pretty much the same in forward mode, its just that higher x means they can handle more reverse voltage. This is exactly the same with 1n400x diodes, so you can mix and much whatever you like/have.
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Old 05-04-2011, 09:57 PM #7
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Default Re: 1n54xxx series diodes.

you DO have a battery pack or something for that battery right? :3
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Old 05-05-2011, 01:09 AM #8
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Default Re: 1n54xxx series diodes.

Who me? Yes of course
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