This part is a kind of semiconductor called 4957AGM.
Function of this product has AP4957AGM.
Manufacturers : Advanced Power Electronics
Image and pinout :
Some of the text within the PDF file :
AP4957AGM RoHS-compliant Product Advanced Power Electronics Corp. ▼ Low On-Resistance ▼ Simple Drive Requirement D1 D2 D1 D2 P-CHANNEL ENHANCEMENT MODE POWER MOSFET BVDSS RDS(ON) ID G2 S2 -30V 26mΩ -7.4A ▼ Dual P MOSFET Package SO-8 S1 G1 Description Advanced Power MOSFETs from APEC provide the designer with the best combination of fast switching, ruggedized device design, ultra low on-resistance and cost-effectiveness. D1 D2 G1 S1 G2 S2 Absolute Maximum Ratings Symbol VDS VGS ID@TA=25℃ ID@TA=70℃ IDM PD@TA=25℃ TSTG TJ Parameter Drain-Source Voltage Gate-Source Voltage Continuous Drain Current Pulsed Drain Current 1 3 3 Rating -30 ±20 -7.4 -5.9 -30 2 -55 to 150 -55 to 150 Units V V A A A W ℃ ℃ Continuous Drain Current Total Power Dissipation Storage Temperatur [ ... ]