This part is a kind of semiconductor called 2PG009.

Function of this product has Silicon N-Channel Enhancement IGBT.

Manufacturers : Panasonic

Image and pinout :

Some of the text within the PDF file :

This product complies with the RoHS Directive (EU 2002/95/EC). IGBT 2PG009 Silicon N-channel enhancement IGBT For plasma display panel drive For high speed switching circuits  Features  Low collector-emitter saturation voltage: VCE(sat) < 2.5 V  High-speed switching: tf = 185 ns (typ.)  Package  Code TO-220D-A1  Marking Symbol: 2PG009  Pin Name 1. Gate 2. Collector 3. Emitter Collector-emitter voltage (E-B short) Gate-emitter voltage (E-B short) Collector current Peak collector current * Power dissipation VCES IC VGES ICP PC Tj Ta = 25°C Junction temperature Storage temperature Tstg Note) *: Assurance of repetitive pulse. (Repetitive period ≤ 5 ms on-duty ≤ 20%) But, it must stay within 40% of all that the time impressed pulse repetitively. T ≤ 5.0 [ ... ]

2PG009 PDF Datasheet Download