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Class D Switching Power Amplifiers and Power D/A conversion

fake or real ?
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Old 14th December 2008, 06:36 PM   #1
mgm2000ro is offline mgm2000ro  Romania
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Default fake or real ?

Sorry this isn't entirely about class d amps but you are far more experienced with parts like these.

Hello. I recently bought a few IRFP 360LC. The store I bought them from says they are made by International rectifier but the logo certainly doesn't look like the IR logo from other parts.
I searched for the companies that manufacture semiconductors but couldn't find this logo. Did I buy some fakes ? Did IR change their logo ?
Here is a picture next to some other components to show the diffrent logos :
Click the image to open in full size.
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Old 14th December 2008, 06:59 PM   #2
SpeakerScott is offline SpeakerScott  United States
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Default Vishay....bought a lot of IRF products...

I don't know if your transistors are fakes, but I believe Vishay now makes the IRFP360LC. I don't know how they mark them, but you might want to look into it.

Scott
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Old 14th December 2008, 07:23 PM   #3
mgm2000ro is offline mgm2000ro  Romania
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inside photo
http://img216.imageshack.us/img216/7282/img1160fl0.jpg
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Old 14th December 2008, 07:26 PM   #4
Gyula is offline Gyula  Hungary
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I think it can stand the power what it was made for.
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Old 14th December 2008, 07:45 PM   #5
classdphile is offline classdphile  Antarctica
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That is the Siliconix logo.

http://www.vishay.com/docs/91227/91227.pdf
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Old 14th December 2008, 07:55 PM   #6
SpeakerScott is offline SpeakerScott  United States
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Quote:
Originally posted by classdphile
That is the Siliconix logo.

http://www.vishay.com/docs/91227/91227.pdf

Indeed, it is...

http://freespace.virgin.net/matt.wai...ogos/logo4.htm
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Old 14th December 2008, 08:03 PM   #7
mgm2000ro is offline mgm2000ro  Romania
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guys, thanks a lot for the quick replies !
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