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.
Page 1 Text Content
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
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