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Author Topic: What is this toroid looking part?  (Read 2001 times)

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Offline gerathegTopic starter

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What is this toroid looking part?
« on: July 22, 2014, 08:46:09 am »
I initially picked this up from a hacker space assuming it's a toroid, and could not find any specs for it.
It has 4 terminals, which I assumed would be connected to each other in pairs.
Measuring resistances didn't help, they all showed some resistance about 1.5k ohms.

What can this component be?
The number of the component reads NA-25 0125

I googled it, but I'm not sure what I'm looking for.
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Offline bktemp

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Re: What is this toroid looking part?
« Reply #1 on: July 22, 2014, 09:00:36 am »
It looks like a current sensor: The 4 pin device seems to be a hall sensor.
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Offline amyk

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Re: What is this toroid looking part?
« Reply #2 on: July 22, 2014, 09:41:41 am »
Was Googling NA-25 datasheet too hard?
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Offline gerathegTopic starter

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Re: What is this toroid looking part?
« Reply #3 on: July 22, 2014, 11:04:44 am »
Quote from: amyk on July 22, 2014, 09:41:41 am
Was Googling NA-25 datasheet too hard?

It actually was, I don't know what the component is and how it would otherwise look like.
Otherwise, thanks for the link.

Quote from: bktemp on July 22, 2014, 09:00:36 am
It looks like a current sensor: The 4 pin device seems to be a hall sensor.

Thanks for the help.
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