This part is a kind of semiconductor called BDX67.

Function of this product has NPN SILICON DARLINGTONS POWER TRANSISTOR.

Manufacturers : Comset Semiconductors

Image and pinout :

Some of the text within the PDF file :

BDX67 – A – B – C NPN SILICON DARLINGTON POWER TRANSISTOR The BDX67, BDX67A, BDX67 and BDX67C are mounted in TO-3 metal package. High current power darlingtons designed for power amplification and switching applications. The complementary PNP are BDX66, BDX66A, BDX66B, BDX66C. Compliance to RoHS. ABSOLUTE MAXIMUM RATINGS Symbol Ratings BDX67 BDX67A BDX67B BDX67C BDX67 BDX67A BDX67B BDX67C BDX67 BDX67A BDX67B BDX67C BDX67 BDX67A BDX67B BDX67C BDX67 BDX67A BDX67B BDX67C BDX67 BDX67A BDX67B BDX67C BDX67 BDX67A BDX67B BDX67C Value 60 80 100 120 80 100 120 140 5.0 Unit VCEO Collector-Emitter Voltage V VCBO Collector-Base Voltage www.DataSheet.net/ V VEBO Emitter-Base Voltage V IC(RMS) IC Collector Current ICM 16 A 20 IB Base Current 0.25 A PT TJ TS Power Dissipation Ju [ ... ]

BDX67 PDF Datasheet Download