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Old 14th January 2008, 11:56 AM   #51
GKU is offline GKU  Switzerland
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Hi Sparkle,

due to a similar recent post I have checked your photographs of the two Hitachi/Renesas devices.
I agree both are fakes.
Reason:
Original Hitachi/Renesas have the complete heat sink nickel plated and the leads are solder plated up to the package edge.
In addition you can find three round marks, which are the mold ejector pin marks. Original devices show at the upper left mark a design with a 3/4 circle and some digits. Such marks show the device number and location in the mold. Some fake parts show them also, but all of them have the same digits.

I hope this will help you to easier indentify fake parts, at least Hitachi/Renesas fakes.

Cheers

Gerd
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Old 14th January 2008, 01:00 PM   #52
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Here's what your vendor should be able to provide:

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Old 23rd February 2008, 02:31 PM   #53
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I have two pair of these lateral FETs that look excatly like the devices that are supposed to be fakes. Mine measure and bias exactly like the data sheet and operate fine in my amplifier circuit. If they are fakes, what devices are they supposedly? Mine certainly operate like FET devices. Thanks.
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Old 24th October 2009, 11:40 AM   #54
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Hi,I am new-comer
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Old 26th October 2009, 04:50 PM   #55
AndrewT is offline AndrewT  Scotland
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Quote:
Originally Posted by xw2659net View Post
Hi,I am new-comer
just report your post as "off topic" and kindly ask the Moderators to move it to an appropriate thread.
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