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Old 14th December 2006, 08:19 AM   #1
max29 is offline max29  Netherlands
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Default fake Sanken

Bought some Sanken transistors but at taking a closer look start to wonder are these just abunch of chin.silicon or genuine
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Old 14th December 2006, 08:45 AM   #2
max29 is offline max29  Netherlands
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pics of the A 1695 aswell

And if not genuine .....how many hours do they have before returning to their original Silicon heap
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Old 14th December 2006, 09:26 AM   #3
max29 is offline max29  Netherlands
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answer would be best in yes or no......... to not waken up sleeping ´beauties´.
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Old 14th December 2006, 10:46 AM   #4
Netlist is offline Netlist  Belgium
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Sanken has datasheets here:http://www.sanken-ele.co.jp/en/prod/..._u/ptr_01e.htm
Measuring hFE could be a good indicator.
Have a picture of the back?

/Hugo
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Old 15th December 2006, 07:45 AM   #5
max29 is offline max29  Netherlands
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Back of the A1695
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Old 15th December 2006, 07:52 AM   #6
max29 is offline max29  Netherlands
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Back of the C4468
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Old 15th December 2006, 02:10 PM   #7
Netlist is offline Netlist  Belgium
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They 'look' pretty genuine to me but some measurements and ultimately tiring one apart should bring outcome.

/Hugo
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Old 16th December 2006, 01:24 AM   #8
Leolabs is offline Leolabs  Malaysia
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The printings look suspicious.
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Old 16th December 2006, 02:14 PM   #9
max29 is offline max29  Netherlands
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anybody knows if the - P on section B

is that far away from 63....... ever seen that on a Sanken.
is that far away from 62 on the other ones
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Old 16th December 2006, 02:45 PM   #10
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Yes, the distance is regular on these types.
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