The MTM231100LBF from Panasonic Corporation is a MOSFET with Continous Drain Current -4 A, Drain Source Resistance 30 to 75 Milliohm, Drain Source Breakdown Voltage -12 V, Gate Source Voltage -8 to 8 V, Gate Source Threshold Voltage -1 to -0.3 V. Tags: Surface Mount. More details for MTM231100LBF can be seen below.