This part is a kind of semiconductor called D1910.

Function of this product has 2SD1910.

Manufacturers : Wing Shing Electronic

Image and pinout :

Some of the text within the PDF file :

2SD1910 GENERAL DESCRIPTION Silicon Diffused Power Transistor Highvoltage,high-speed switching npn transistors in a plastic envelope with integrated efficiency diode,primarily for use in horizontal deflection circuites of colour television receivers QUICK REFERENCE DATA TO-3PFM CONDITIONS VBE = 0V TYP SYMBOL VCESM VCEO IC ICM Ptot VCEsat Icsat VF tf PARAMETER Collector-emitter voltage peak value Collector-emitter voltage (open base) Collector current (DC) Collector current peak value Total power dissipation Collector-emitter saturation voltage Collector saturation current Diode forward voltage Fall time Tmb 25 IC = 3.0A; IB = 0.8A f = 16KHz IF = 3.0A ICsat = 3.0A; f = 16KHz 1.6 MAX 1500 600 3 6 40 5 2.0 1.0 UNIT V V A A W V A V s LIMITING VALUES SYMBOL VCES [ ... ]

D1910 PDF Datasheet Download