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Sonsivri > Electronics > General Electronics (Moderators: o2, pickit2) > sma6803mv : datasheet hard to find
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enzine
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« on: March 20, 2012, 09:57:07 09:57 »
Hello friends!

I am looking for sma6803mv datasheet.
Manifacturer: Sanken
PCB :  Mitsubishi Air Conditioner MUZ-GE25VA outdoor unit

Probabily it is a IGBT driver
Photo in attachement.

Thank in advance.

Ciao
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pickit2
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« Reply #1 on: March 20, 2012, 12:24:26 12:24 »
http://www.pihapiiri.fi/wmanage/files.ph?download=true&file_id=7154
service manual for MUZ GE25-50VA
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enzine
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« Reply #2 on: March 20, 2012, 02:59:16 14:59 »
Thanks pickit2,
I had already find this service manual but unfortunately
does not contain the wiring diagram of PCB but only the assembly diagram.

Ciao
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GunMage
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« Reply #3 on: March 22, 2012, 03:23:57 15:23 »
Allegro Micro owns the chips now. I am certain it is an obsolete part and why you can not find a datasheet on it. That series of chips are high voltage 3-phase motor drivers.
I would contact Allegro and see if they can get the old datasheet to you.

Here is some general infornmation about that series of chip:
http://www.allegromicro.com/en/Products/Sanken-Products/Sanken-ICs/Sanken-Motor-Driver-ICs/Sanken-Inverter-Power-Modules/SLA-SMA6800M-Series.aspx

This one might be a drop in replacment or close enough to help you troubleshoot your PCB:
http://www.allegromicro.com/en/Products/Sanken-Products/Sanken-ICs/Sanken-Motor-Driver-ICs/Sanken-Inverter-Power-Modules/~/media/Files/Sanken/Datasheets/SLA6805MP-Datasheet.ashx

All the best
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enzine
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« Reply #4 on: March 24, 2012, 12:38:46 00:38 »
Found SMA6803M on e-bay.

 EUR 3,79 + EUR 3,03 for shipping !!!

I'm waiting ....

Ciao
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