2N6557 ALT MPSU10 TO-202

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2N6557

This is for 1) pc of the 2N6557 Transistor.

Brand New NJS Transistor. 
Vcbo= 250v; Ic= 500 mA; Pw= 10 W; ft= 200MHz
TO-202 NPN Transistor with heat sink tab
Very hard to find.
used in AF and Switching applications