The APM4500AKC-TRG is a MOSFET N & P Trench RoHS manufactured transistor by Sinopower. It features a 20V drain-source voltage, 8A drain-source current, 4.3A gate-source current, 1V maximum gate-source voltage, 250uA gate-source leakage current, 26mO maximum drain-source on-state resistance at 8A, 4.5V, 90mO maximum drain-source on-state resistance at 4.3A, 4.5V, and comes in an 8-lead, surface-mounted SOP package. It is ideal for use in high-efficiency power switches, switch-mode power supplies, and other power management applications.