This part is a kind of semiconductor called BDX67A.

Function of this product has NPN EPITAXIAL BASE DARLINGTON POWER TRANSISTOR.

Manufacturers : Seme LAB

Image and pinout :

Some of the text within the PDF file :

BDX67 BDX67A BDX67B BDX67C MECHANICAL DATA Dimensions in mm NPN EPITAXIAL BASE DARLINGTON POWER TRANSISTOR 9.0 max. 2. 5 26.6 max. 4.2 39.5 max. B 30.1 E 20.3 max. 1 .0 NPN epitaxial base transistors in monolithic Darlington circuit for audio output stages and general amplifier and switching applications. 16.9 10.9 12.8 PNP complements are: BDX66, BDX66A, BDX66B, BDX66C. TO3 Package. Case connected to collector. ABSOLUTE MAXIMUM RATINGS (Tcase=25°C unless otherwise stated) BDX BDX BDX BDX 67 67A 67B 67C 60 80 100 120 V 80 ì ï VCEO VCBO VEBO IC ICM IB Ptot Tj Tstj Rth j-mb Semelab plc. Collector - emitter voltage (open base) Collector - base voltage (open emitter) Emitter - base voltage (open collector) Collector current Collector current (peak) Base current Total power dis [ ... ]

BDX67A PDF Datasheet Download