MBR540MFS, NRVB540MFS Switch-mode Power Rectifiers These stateoftheart devices have the following features: Low Power Loss / High Efficiency New Package Provides Capability of Inspection and Probe After MBR540MFS, NRVB540MFS THERMAL CHARACTERISTICS Characteristic Symbol Typ Max Unit Thermal Resistance, JunctiontoCase, Steady State R 4.0 C/W JC 2 (Assumes 600 mm 1 oz. copper bond pad, on a FR4 board) ELECTRICAL CHARACTERISTICS Instantaneous Forward Voltage (Note 1) v V F (i = 5 Amps, T = 100C) 0.44 0.54 F J (i = 5 Amps, T = 25C) 0.50 0.58 F J Instantaneous Reverse Current (Note 1) i mA R (Rated dc Voltage, T = 100C) 6 20 J (Rated dc Voltage, T = 25C) 0.100 2 J 1. Pulse Test: Pulse Width = 300 s, Duty Cycle 2.0%.