MOSFET, P-CH, -20V, -4.1A, SOT-457-6; Transistor Polarity:P Channel; Continuous Drain Current Id:-4.1A; Drain Source Voltage Vds:-20V; On Resistance Rds(on):0.048ohm; Rds(on) Test Voltage Vgs:-4.5V; Threshold Voltage Vgs:-1V; Power Dissipation Pd:530mW;