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Article #6312

re: what is this device (Small IC).

#6312
From: David J W Emrich
Date: Thu, 10 Sep 1992 14:57
37 lines
1643 bytes
covingc@ee.tamu.edu (Zaa!) writes:

>I have an SAE A202 Stereo Power Amp that I'm working on.  It has one
>noisy channel (random static noise) and I've traced this all the way
>back to its input board.  I suspect that its coming out of a small 6
>pin IC of some sort.  It looks something like

>          |   |  |
>         +--------+
>         |  K333  |
>         |  F BE  |
>         +--------+    (about .2 x .25 inches)
>          |   |  | 

>There are no markings other than the ones shown above.  I assume it is some
>sort of amplifier, as the input to the amp goes through a cap into this with
>some resistors to ground, etc., and other pins connect to supplies, bias net
>works, and transistors further along in the amp.

>Anyone out there know what this is exactly?  And where I can find one?

>Also, is SAE still around, or does anyone have any info on this amp (I'm
>doing this "blind," no schematic, etc.)

>Thanks in advance...

>Charles E. Covington
>covingc@ee.tamu.edu

At a guess, I would say that what you are looking at is a dual
transistor package.  Probably FETs as I guess the K is for 2SK, hence
the part is probably a 2SK333.  Hope this helps some.


[dav]    aka
David Emrich
gude@uniwa.uwa.edu.au
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From: gude@uniwa.uwa.edu.au (David J W Emrich)
Newsgroups: sci.electronics
Subject: re: what is this device (Small IC).
Date: 10 Sep 1992 22:57:27 +0800
Organization: The University of Westrn Australia
Lines: 37
Message-ID: <18nnonINNj2p@uniwa.uwa.edu.au>
NNTP-Posting-Host: uniwa.uwa.edu.au
Keywords: k333 sae amplifier