How to tell fake from real transistor - diyAudio
Go Back   Home > Forums > Design & Build > Parts

Parts Where to get, and how to make the best bits. PCB's, caps, transformers, etc.

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Thread Tools Search this Thread
Old 16th October 2006, 10:08 PM   #1
diyAudio Member
ifrythings's Avatar
Join Date: Oct 2005
Default How to tell fake from real transistor

I got a fair amount of 2SA1302 and 2SC3182 transistor that all say Toshiba on them but some look different then other's and some have off centered holes in the black area on the back of the device.

How can I tell which ones are fake and which ones are real. I would like to keep the devices in working condition if posible and just root out the bad ones.

Any ways to tell or test would be highly appreciated.


  Reply With Quote
Old 16th October 2006, 10:12 PM   #2
Netlist is offline Netlist  Belgium
diyAudio Moderator Emeritus
Netlist's Avatar
Join Date: Jan 2003
Did you look here ?

  Reply With Quote
Old 13th December 2006, 09:46 PM   #3
Netlist is offline Netlist  Belgium
diyAudio Moderator Emeritus
Netlist's Avatar
Join Date: Jan 2003
Would a list with production dates of transistors exist?
That would make it easier to eliminate fakes.
Iím asking because I found a supplier selling e.g. a 2SB600 RoHs compliant.
2SB600 used to be made by Nec but is AFAIK discontinued.
The nice thing is: Said supplier has plenty of Ėmost likely discontinued- RoHs compliant devices.

  Reply With Quote


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
Real or fake PCM63? beauty_divine Digital Line Level 697 31st May 2010 01:03 AM
fake or real ? mgm2000ro Class D 6 14th December 2008 08:03 PM
Fake or Real? Elso Kwak Parts 20 28th May 2005 09:32 PM

New To Site? Need Help?

All times are GMT. The time now is 10:51 AM.

vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2015 DragonByte Technologies Ltd.
Copyright ©1999-2015 diyAudio

Content Relevant URLs by vBSEO 3.3.2