The BUY15CS23K-01(ES) from Infineon Technologies is a MOSFET with Continous Drain Current 23 A, Drain Source Resistance 55 to 110 Milliohm, Drain Source Breakdown Voltage 150 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.5 to 5 V. Tags: Through Hole. More details for BUY15CS23K-01(ES) can be seen below.