2SD258 ALT 2SD421 TO-66

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2SD258

This is for 1) pc of the 2SD258 Transistor.

Brand New "Original" SANKEN Transistor. 
Vcbo= 110v; Ic= 4 A; Pw= 25 W
TO-66 NPN all Metal Transistor
used in AF and Switching applications
Replaces 2SD257
Similar to ECG291