fake Sanken

max29 · 14th December 2006, 09:19 AM

Bought some Sanken transistors but at taking a closer look start to wonder are these just abunch of chin.silicon or genuine

max29 · 14th December 2006, 09:45 AM

pics of the A 1695 aswell

And if not genuine .....how many hours do they have before returning to their original Silicon heap

max29 · 14th December 2006, 10:26 AM

answer would be best in yes or no......... to not waken up sleeping ´beauties´.

Netlist · 14th December 2006, 11:46 AM

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

max29 · 15th December 2006, 08:45 AM

Back of the A1695

max29 · 15th December 2006, 08:52 AM

Back of the C4468

Netlist · 15th December 2006, 03:10 PM

They 'look' pretty genuine to me but some measurements and ultimately tiring one apart should bring outcome.

/Hugo

Leolabs · 16th December 2006, 02:24 AM

The printings look suspicious.

max29 · 16th December 2006, 03:14 PM

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

jacco vermeulen · 16th December 2006, 03:45 PM

Yes, the distance is regular on these types.

16th December 2006, 03:45 PM	#10
jacco vermeulen diyAudio Member Join Date: Oct 2004 Location: At the sea front, just under Rotterdam	Yes, the distance is regular on these types. __________________ Looks like Sponge Bob has killed another thread.

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14th December 2006, 10:26 AM	#3
max29 diyAudio Member Join Date: Nov 2005 Location: oosterhout	answer would be best in yes or no......... to not waken up sleeping ´beauties´.

14th December 2006, 11:46 AM	#4
Netlist diyAudio Moderator Join Date: Jan 2003	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

15th December 2006, 03:10 PM	#7
Netlist diyAudio Moderator Join Date: Jan 2003	They 'look' pretty genuine to me but some measurements and ultimately tiring one apart should bring outcome. /Hugo

16th December 2006, 02:24 AM	#8
Leolabs diyAudio Member Join Date: Dec 2004 Location: Bukit Mertajam	The printings look suspicious.

16th December 2006, 03:14 PM	#9
max29 diyAudio Member Join Date: Nov 2005 Location: oosterhout	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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