This part is a kind of semiconductor called 2N6517.

Function of this product has NPN SILICON PLANAR MEDIUM POWER TRANSISTOR.

Manufacturers : Zetex Semiconductors

Image and pinout :

Some of the text within the PDF file :

NPN SILICON PLANAR MEDIUM POWER TRANSISTOR ISSUE 1 – MARCH 94 FEATURES * 350 Volt VCEO * Gain of 15 at IC=100mA 2N6517 C B E ABSOLUTE MAXIMUM RATINGS. PARAMETER Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Base Current Continuous Collector Current Power Dissipation at Tamb= 25°C Operating and Storage Temperature Range SYMBOL VCBO VCEO VEBO IB IC Ptot Tj:Tstg 350 350 6 250 500 680 E-Line TO92 Compatible VALUE UNIT V V V mA mA mW °C -55 to +200 ELECTRICAL CHARACTERISTICS (at Tamb = 25°C unless otherwise stated). PARAMETER Collector-Base Breakdown Voltage Collector-Emitter Breakdown Voltage Emitter-Base Breakdown Voltage Collector Cut-Off Current Emitter Cut-Off Current Collector-Emitter Saturation Voltage Base-Emitter Saturation Voltage Base-Emitter Turn-O [ ... ]

2N6517 PDF Datasheet Download