The MTM232230LBF from Panasonic Corporation is a MOSFET with Continous Drain Current 4.5 A, Drain Source Resistance 20 to 40 Milliohm, Drain Source Breakdown Voltage 20 V, Gate Source Voltage -10 to 10 V, Gate Source Threshold Voltage 0.4 to 1.3 V. Tags: Surface Mount. More details for MTM232230LBF can be seen below.