This part is a kind of semiconductor called 09N90E.
Function of this product has FMH09N90E.
Manufacturers : Fuji Electric
Image and pinout :
Some of the text within the PDF file :
FMH09N90E Super FAP-E3 series Features Maintains both low power loss and low noise Lower RDS (on) characteristic More controllable switching dv/dt by gate resistance Smaller VGS ringing waveform during switching Narrow band of the gate threshold voltage (4.0±0.5V) High avalanche durability FUJI POWER MOSFET N-CHANNEL SILICON POWER MOSFET Outline Drawings [mm] TO-3P(Q) Equivalent circuit schematic Drain(D) Applications Switching regulators UPS (Uninterruptible Power Supply) DC-DC converters Gate(G) Source(S) Maximum Ratings and Characteristics Absolute Maximum Ratings at Tc=25°C (unless otherwise speciﬁed) Description Drain-Source Voltage Continuous Drain Current Pulsed Drain Current Gate-Source Voltage Repetitive and Non-Repetitive Maximum AvalancheCurrent Non-Repetitive Maximum [ ... ]