This part is a kind of semiconductor called MDP1901.

Function of this product has Single N-channel Trench MOSFET.

Manufacturers : MagnaChip

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MDP1901 – Single N-Channel Trench MOSFET 100V MDP1901 Single N-channel Trench MOSFET 100V, 36A, 22mΩ General Description The MDP1901 uses advanced MagnaChip’s MOSFET Technology, which provides high performance in on-state resistance, fast switching performance and excellent quality. MDP1901 is suitable device for DC/DC Converters and general purpose applications. Features  VDS = 100V  ID = 36A @VGS = 10V  RDS(ON) < 22mΩ @VGS = 10V < 25mΩ @VGS = 6.0V D GDS G S Absolute Maximum Ratings (Tc = 25oC) Drain-Source Voltage Gate-Source Voltage Characteristics Continuous Drain Current Pulsed Drain Current Power Dissipation Single Pulse Avalanche Energy (2) Junction and Storage Temperature Range Thermal Characteristics Characteristics Thermal Resistance, Junction-to-Ambi [ ... ]

MDP1901 PDF Datasheet Download