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Amplifier. has transistor h649a which is the equivalent for that transistor

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The H649A is the 2SB649A made by Huashan.
The datasheet for the 2SB649A is here:
http://pdf.datasheetcatalog.com/datasheet/HitachiSemiconductor/mXwuwqt.pdf

The matching NPN transistor is the 2SD669A (or H669A).

Posted on May 16, 2014

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