QS6K21FRATR ROHM MOSFET, N-CH, 45V, 1A, TSMT-6; Transistor Polarity:N Channel; Continuous Drain Current Id:1A; Drain Source Voltage Vds:45V; On Resistance Rds(on):0.3ohm; Rds(on) Test Voltage Vgs:4.5V; Threshold Voltage Vgs:1.5V; Power Dissipation Pd:1.25W; Transistor Ca