FQA18N50V2

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FQA18N50V2

QFET
FQA18N50V2
500V N-Channel MOSFET
General Description
These N-Channel enhancement mode power field effect transistors are produced using Fairchild s proprietary, planar stripe, DMOS technology. This advanced technology has been especially tailored to minimize on-state resistance, provide superior switching performance, and withstand high energy pulse in the avalanche and commutation mode. These devices are well suited for high efficient switched mode power supplies, active power factor correction, electronic lamp ballast based on half bridge topology.

Features
20A, 500V, RDS(on) 0.265 VGS 10 V Low gate charge ( typical 42 nC) Low Crss ( typical 11 pF) Fast switching 100% avalanche tested Improved dv/dt capability

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TO-3P
G DS
FQA Series
TC 25 C unless otherwise noted

Absolute Maximum Ratings
Symbol VDSS ID IDM VGSS EAS IAR EAR dv/dt PD TJ, TSTG TL

Parameter Drain-Source Voltage - Continuous (TC 25 C) Drain Current - Continuous (TC 100 C) Drain Current - Pulsed
(Note 1)

FQA18N50V2 500 20 12.7 80 30
(Note 2) (Note 1) (Note 1) (Note 3)

Units V A A A V mJ A mJ V/ns W W/ C C C

Gate-Source Voltage Single Pulsed Avalanche Energy Avalanche Current Repetitive Avalanche Energy Peak Diode Recovery dv/dt Power Dissipation (TC 25 C)

330 20 27.7 4.5 277 2.22 -55 to 150 300

- Derate above 25 C Operating and Storage Temperature Range Maximum lead temperature for soldering purposes, 1/8" from case for 5 seconds

Thermal Characteristics
Symbol RJC RCS RJA Parameter Thermal Resistance, Junction-to-Case Thermal Resistance, Case-to-Sink Thermal Resistance, Junction-to-Ambient Typ -0.24 -Max 0.45 -40 Units C/W C/W C/W

2002 Fairchild Semiconductor Corporation

Rev. B, August 2002