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Fairchild FQPF5N80 800V N-Channel MOSFET Data Handbook

Summary

FQPF5N80 800V N-channel power MOSFET by Fairchild in TO-220F. 2.8A, 2.6 ohm Rds(on), 25nC gate charge, 11pF Crss, 100% avalanche tested, 590mJ avalanche energy. For power engineers designing switch-mode supplies and high-voltage converters.

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Page 1 Text Content

September 2000

QFETTM

FQPF5N80 800V N-Channel MOSFET General Description Features These N-Channel enhancement mode power field effect 2.8A, 800V, RDS(on) = 2.6Ω @VGS = 10 V transistors are produced using Fairchild’s proprietary, Low gate charge ( typical 25 n C) planar stripe, DMOS technology. Low Crss ( typical 11 p F) This advanced technology has been especially tailored to Fast switching minimize on-state resistance, provide superior switching 100% avalanche tested performance, and withstand high energy pulse in the

Improved dv/dt capability

avalanche and commutation mode. These devices are well suited for high efficiency switch mode power supply.

SD TO-220F

FQPF Series

Absolute Maximum Ratings TC = 25°C unless otherwise noted Symbol Parameter FQPF5N80 Units VDSS Drain-Source Voltage ID Drain Current - Continuous (TC = 25°C) 2.8

- Continuous (TC = 100°C) 1.77

IDM Drain Current - Pulsed (Note 1) 11.2 VGSS Gate-Source Voltage ± 30 EAS Single Pulsed Avalanche Energy (Note 2) m J IAR Avalanche Current (Note 1) 2.8 EAR Repetitive Avalanche Energy (Note 1) 4.7 m J

dv/dt Peak Diode Recovery dv/dt (Note 3) 4.0 V/ns

PD Power Dissipation (TC = 25°C)

- Derate above 25°C 0.38 W/°C

TJ, TSTG Operating and Storage Temperature Range -55 to +150 °C

Maximum lead temperature for soldering purposes,

TL °C

1/8" from case for 5 seconds

Thermal Characteristics Symbol Parameter Typ Max Units RθJC Thermal Resistance, Junction-to-Case 2.66 °C/W RθJA Thermal Resistance, Junction-to-Ambient 62.5 °C/W

©2000 Fairchild Semiconductor International Rev. A, September 2000

Page Summary Contents For Fairchild FQPF5N80 800V N-Channel MOSFET Data Handbook

Page 1 September 2000 QFETTM FQPF5N80 800V N-Channel MOSFET General Description Features These N-Channel enhancement mode power field effect 2.8A, 800V, RDS(on) = 2.6Ω @VGS = 10 V transistors are produced us...
Page 2 Electrical Characteristics TC = 25°C unless otherwise noted Symbol Parameter Test Conditions Min Typ Max Units Off Characteristics BVDSS Drain-Source Breakdown Voltage VGS = 0 V, ID = 250 µA ∆BVDSS Br...
Page 3 Typical Characteristics ap ac ita nc [p F] , D ra in ur re nt [A ra in -S ou rc n- es is ta nc Top : 15.0 V 10.0 V 8.0 V 7.0 V 6.5 V 6.0 V Bottom : 5.5 V ※ Notes : ※ Notes : 1. 250μs Pulse Test 1. V =...
Page 4 Typical Characteristics (Continued) BV SS , ( or al iz ed , D ra in ur re nt [A ra in -S ou rc Br ea kd ow Vo lta ge 0.9 ※ Notes : 1. V GS = 0 V ※ Notes : 1. V GS = 10 V 2. I = 2.4 A , Junction Temper...
Page 5 Gate Charge Test Circuit & Waveform Same Type as DUT Qgs Qgd Charge Resistive Switching Test Circuit & Waveforms VDS VDS 90% VGS RG 10% VGS td(on) tr td(off) on off Unclamped Inductive Switchi...
Page 6 Peak Diode Recovery dv/dt Test Circuit & Waveforms Driver RG Same Type as DUT VDD dv/dt controlled by RG ISD controlled by pulse period Gate Pulse Width VGS D = Gate Pulse Period 10V ( Driver ) IF...
Page 7 Package Dimensions TO-220F MAX1.47 2.54TYP 2.54TYP [2.54 ±0.20] [2.54 ±0.20] Rev. A, September 2000©2000 Fairchild Semiconductor International
Page 8 TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. ACEx™ FAST...

Manual Details

Brand Fairchild
Pages 8
File Size 664.41 KB
Published June 17, 2026
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Frequently Asked Questions

What is the maximum continuous drain current for the FQPF5N80?

2.8A at 25°C, derating to 1.77A at 100°C.

Is this MOSFET suitable for high-efficiency switch mode power supplies?

Yes, it's well-suited for high-efficiency switch mode power supplies.

What is the typical gate charge for fast switching?

The typical total gate charge (Qg) is 25 nC.

What is the absolute maximum drain-source voltage rating?

The absolute maximum drain-source voltage (VDSS) is 800V.