Old transistors data sheets - Where?

google

As an example, google on "2SC1050 datasheet" (drop the trailing grading letter) and you'll get a zillion datasheet hits - well, 270 in English anyway.

I use a publication called VRT (ISBN 981-214-126-X) which lists the main characteristics as well as equivalents. Altronics stock it.

Cheers, Alan

On Thu, 20 Mar 2008 16:25:52 +1000, "Independence" put finger to keyboard and composed:

I use this one for original datasheets:

... and this one for cross references:

$$Search?OpenForm

Otherwise you can Google for PDF filetypes, eg "2SD388 filetype:pdf".

- Franc Zabkar

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On Thu, 20 Mar 2008 16:25:52 +1000, "Independence" wrote:

:I came across a large box of unused assorted transistors in a box of junk :from a TV and video repair business that had closed down and left them all :at our rubbish tip trash and treasure exchange. Most are new although some :are rather superficially corroded on the metal cases. : :I have searched at

to identify the components :and have had some success, but many of them do not show an exact match. :Although I am a telecom engineer, and know a bit about them, I haven't had :much to do with such components for quite a while. :I want to make use of some in a couple of projects, but lacking the data :sheets I'm not sure what is what, although many are obviously power :transistors of some kind. : :Is there a good source of data sheets for older components other than : : :Sometimes the above website comes up with similar numbered components but :they are obviously different components, just from the physical appearence. :Here are just a few I can't exactly match. Figures after the comma are :secondary numbers listed on the components under the main mumbers. : :Sanyo C1050E, 5k :Sanyo B407 tv, 4g :Sanyo SD68C, 5A :Sanyo D416, 6B :SonKen 25D201 : D621M, 8E :NEC 2SD388, R57 :Sanyo 2SD68C, 4J :Sanyo C1050D, 5G :Sanyo C1050E, 5H :Sanyo C1050E, 5K :Sanyo C1050D, 5K : BU326A, T8947 :NEC 2SD388, K3YA :Matsushita 2SD198 : :These are just som examples which may show the age of the components, there :are literally hundreds of others, transistors big and small. :Can anyone suggest where I might get datersheets on these "antique" :components please? :

You could try datasheetarchive

I find that they usually have somesort of data on even nondescript devices and they are adding new stuff all the time.