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IRF840/FI IRF841/FI N - CHANNEL ENHANCEMENT MODE POWER MOS TRANSISTORS TYPE V DSS R DS( on) ID IRF840 500 V < 0.85 8A IRF840FI 500 V < 0.85 4.5 A IRF841 450 V < 0.85 8A IRF841FI 450 V < 0.85 4.5 A s TYPICAL RDS(on) = 0.74 s AVALANCHE RUGGED TECHNOLOGY s 100% AVALANCHE TESTED 3 3 2 2 s REPETITIVE AVALANCHE DATA AT 100oC 1 1 APPLICATIONS s HIGH CURRENT, HIGH SPEED SWITCHING TO-220 ISOWATT220 s SWITCH MODE POWER SUPPLIES (SMPS) s CHOPPER REGULATORS, CONVERTERS, MOTOR CONTROL, LIGHTING FOR INDUSTRIAL AND CONSUMER ENVIRONMENT INTERNAL SCHEMATIC DIAGRAM ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit IRF 840 841 840FI 841FI V DS Drain-source Voltage (V GS = 0) 500 450 500 450 V V D GR Drain- gate Voltage (R GS = 20 k) 500 450 500 450 V V GS Gate-source Voltage