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Fairchild FQP8N90C FQPF8N90C 900V N-Channel MOSFET User Manual

Summary

Discover the FQP8N90C family of N-Channel Power MOSFETs, engineered for high efficiency in demanding electronic applications. Utilizing advanced planar stripe DMOS technology, these transistors deliver superior performance through low gate charge and fast switching capabilities. This product is ideal for designers building switch mode power supplies where reliability and thermal management are critical. The manual provides comprehensive technical specifications, including absolute maximum ratings, on/off characteristics, and thorough thermal data required for precise circuit design integration.

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FQ P8N 90C /FQ PF8N 90C

QFET®

FQP8N90C/FQPF8N90C 900V N-Channel MOSFET General Description Features These N-Channel enhancement mode power field effect 6.3A, 900V, RDS(on) = 1.9Ω @VGS = 10 V transistors are produced using Fairchild’s proprietary, Low gate charge ( typical 35 n C) planar stripe, DMOS technology. Low Crss ( typical 12 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 supplies.

TO-220 TO-220F

SD SD

FQP Series G FQPF Series

Absolute Maximum Ratings TC = 25°C unless otherwise noted Symbol Parameter FQP8N90C FQPF8N90C Units VDSS Drain-Source Voltage ID Drain Current - Continuous (TC = 25°C) 6.3 6.3 *

- Continuous (TC = 100°C) 3.8 3.8 *

IDM Drain Current - Pulsed (Note 1) 25 * VGSS Gate-Source Voltage ± 30 EAS Single Pulsed Avalanche Energy (Note 2) m J IAR Avalanche Current (Note 1) 6.3 EAR Repetitive Avalanche Energy (Note 1) 17.1 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 1.37 0.48 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

* Drain current limited by maximum junction temperature.

Thermal Characteristics Symbol Parameter FQP8N90C FQPF8N90C Units RθJC Thermal Resistance, Junction-to-Case 0.73 2.08 °C/W RθJS Thermal Resistance, Case-to-Sink Typ. 0.5 °C/W RθJA Thermal Resistance, Junction-to-Ambient 62.5 62.5 °C/W

©2003 Fairchild Semiconductor Corporation Rev. A, November 2003

Page Summary Contents For Fairchild FQP8N90C FQPF8N90C 900V N-Channel MOSFET User Manual

Page 1 FQ P8N 90C /FQ PF8N 90C QFET® FQP8N90C/FQPF8N90C 900V N-Channel MOSFET General Description Features These N-Channel enhancement mode power field effect 6.3A, 900V, RDS(on) = 1.9Ω @VGS = 10 V transisto...
Page 2 FQ P8N 90C /FQ PF8N 90C 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 ...
Page 3 FQ P8N 90C /FQ PF8N 90C Typical Characteristics Ca pa cit an ce [p F] [Ω DS (O N) ra in Cu rre nt [A Dr ain -S ou rce n- Re sis tan ce D, VGS Top : 15.0 V 10.0 V 8.0 V 7.0 V 6.5 V 6.0 V Bottom : 5.5 V...
Page 4 FQ P8N 90C /FQ PF8N 90C Typical Characteristics (Continued) BV DS , (N orm ali ze d) Dr ain -S ou rce rea kd ow n V olt ag D, ra in Cu rre nt [A D, ra in Cu rre nt [A 0.9 ※ Notes : 1. VGS = 0 V ※ Note...
Page 5 FQ P8N 90C /FQ PF8N 90C Typical Characteristics (Continued) rm l R sp se rm l R sp se JC(t JC(t -1 . Z t) .7 /W ax .1 . D ty ac to r, D t1/ t2 . T JM - T M * Z JC( t) in le ls re ls ra tio [s Figure 1...
Page 6 FQ P8N 90C /FQ PF8N 90C 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 Unc...
Page 7 FQ P8N 90C /FQ PF8N 90C 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 ...
Page 8 FQ P8N 90C /FQ PF8N 90C Package Dimensions TO-220 (1 .4 6) 2.54TYP 2.54TYP [2.54 ±0.20] [2.54 ±0.20] Dimensions in Millimeters Rev. A, November 2003©2003 Fairchild Semiconductor Corporation
Page 9 FQ P8N 90C /FQ PF8N 90C Package Dimensions (Continued) TO-220F MAX1.47 2.54TYP 2.54TYP [2.54 ±0.20] [2.54 ±0.20] Dimensions in Millimeters Rev. A, November 2003©2003 Fairchild Semiconductor Corporatio...
Page 10 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™ FACT...

Manual Details

Brand Fairchild
Pages 10
File Size 880.41 KB
Published June 16, 2026
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Frequently Asked Questions

What is the maximum drain-source voltage for FQP8N90C/FQPF8N90C?

900V

What is the typical gate charge (Qg) for this MOSFET?

35 nC (typ), up to 45 nC

What is the thermal resistance junction-to-case (RθJC) for FQP8N90C?

0.73 °C/W