NVMFD5877NL MOSFET Power, Dual N-Channel, Logic Level, Dual SO8FL 60 V, 39 m , 17 A NVMFD5877NL 2. Psi ( ) is used as required per JESD51 12 for packages in which substantially less than 100% of the heat flows to single case surface. 2 3. Surfacemounted on FR4 board using a 650 mm , 2 oz. Cu pad. 4. Maximum current for pulses as long as 1 second is higher but is dependent on pulse duration and duty cycle.