The IRF840AST is a Power MOSFET. The applications of it are Switch Mode Power Supply (SMPS), Uninterruptible Power Supply, High Speed Power Switching.
Parametrics
IRF840AST absolute maximum ratings: (1)Drain-Source Voltage:500V ; (2)Gate-Source Voltage:± 30V; (3)Pulsed Drain Current:32A; (4)Linear Derating Factor:1.0 W/℃; (5)Single Pulse Avalanche Energyb:510mJ ; (6)Repetitive Avalanche Current:8.0 A ; (7)Repetitive Avalanche Energya:13 mJ ; (8)Peak Diode Recovery dV/dt c, e:5.0 V/ns ; (9)Operating Junction and Storage Temperature Range:- 55 to + 150℃; (10)Soldering Temperature for 10 s:300d.
Features
IRF840AST features: (1)Low Gate Charge Qg Results in Simple Drive Requirement; (2)Improved Gate, Avalanche and Dynamic dV/dt Ruggedness; (3)Fully Characterized Capacitance and Avalanche Voltage and Current; (4)Effective Coss Specified; (5)Lead (Pb)-free Available.
Diagrams
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