Carlos,
I think what you have is an MJE520 (originally manufactured by Motorola).
>From http://english.electronica-pt.com/db/cross-reference.php?ref=MJE520
MJE520
NPN Silicon 30V, 3A, 25W TO-126 case, pinout ECB (looking from top)
Possible substitute parts: BD 177, BD 185, BD 435, 2N5190...92
A quick check of Mouser and Digi-Key doesn't yield a match. However, some
surplus dealers seem to have them available, and the Central Semi
manufacturer website shows the MJE520 as a current product.
Electronic Goldmine (surplus dealer) shows MJE520s in stock at $1.49 US:
http://www.goldmine-elec-products.com/prodinfo.asp?number=A10591
Hope this helps. 73, Al
On Mon November 7 2011 12:45:28 pm carlos popelier wrote:
> hello, any equivalents available for this transistor or adress to find,
> thanks carlos
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