The BUY25CS12J-01 (P) from Infineon Technologies is a MOSFET with Continous Drain Current 12.4 A, Drain Source Resistance 115 to 300 Milliohm, Drain Source Breakdown Voltage 250 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.5 to 5 V. Tags: Surface Mount. More details for BUY25CS12J-01 (P) can be seen below.