Author Topic: What is this component  (Read 346 times)

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Offline kamalshah

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What is this component
« on: July 24, 2021, 05:49:57 pm »
I had bought a this Car cooling fan and it worked fine but later one of the fans stopped working. I took it apart and checked everything I could. and it all seamed to work fine.
https://www.aliexpress.com/item/4001118023418.html?spm=a2g0s.9042311.0.0.6f6f4c4ddcUwDp

but the fan would still not work even though the other fan works fine plugged in to this fans wire. So I thought the component in the picture might be the problem. I googled the part number but found nothing. It has 4 prongs and looks like a transistor. it has the following written on it: "0CS 29830 0QAG"[attachimg=1]
 

Offline Manul

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Re: What is this component
« Reply #1 on: July 24, 2021, 05:56:12 pm »
It is likely OCH29830. It is a hall sensor with some integrated motor driver.
 
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Online fzabkar

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« Last Edit: July 24, 2021, 08:27:42 pm by fzabkar »
 
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Offline kamalshah

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Re: What is this component
« Reply #3 on: July 24, 2021, 06:50:08 pm »
Thanks I could never have guessed it.  :clap: :clap: :clap: when I turn it on the motor drives for a couple of revolutions and then stops working.
I have a multimeter, Can I test it with that?

plus how can I order one to repair it.

Thanks again
 

Offline kamalshah

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Re: What is this component
« Reply #4 on: July 24, 2021, 07:25:49 pm »
This is the circuit behind the coil,
 

Offline kamalshah

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Re: What is this component
« Reply #5 on: July 24, 2021, 07:26:39 pm »
The fan coil
 


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