The TDA4863-2G from Infineon Technologies is a AC to DC Converter with AC Input Current 20 mA, DC Output Voltage 1 to 1.25 V, DC Output Current -0.006 to 0.030 A, DC Output Power 110 W, Switching Frequency 25 to 120 kHz. Tags: Surface Mount. More details for TDA4863-2G can be seen below.