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Author Topic: Help on ID of TO-220 device in a HP8648A  (Read 1531 times)

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Offline deepskyridgeTopic starter

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Help on ID of TO-220 device in a HP8648A
« on: April 16, 2016, 05:48:52 pm »
I am trying to repair a HP8648A, Two devices on the motherboard are marked:

55-0645
IR9423
7K  4Z

It is a TO-220 package.

I have tried repeated searches for this with no luck.

Thanks
Gary
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Online edavid

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Re: Help on ID of TO-220 device in a HP8648A
« Reply #1 on: April 16, 2016, 05:57:03 pm »
The HP part number is 1855-0645, which is a BUZ11...
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Offline deepskyridgeTopic starter

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Re: Help on ID of TO-220 device in a HP8648A
« Reply #2 on: April 16, 2016, 07:08:25 pm »
Thanks, that helps.

Gary
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