Fairchild FQAF11N90 Technical Data Sheet (1)(1)
Summary
The FQAF11N90 is a high-performance N-Channel MOSFET designed for robust and efficient power switching applications. This technical datasheet provides comprehensive details on its electrical characteristics, including absolute maximum ratings, low on-resistance, and optimized fast-switching capabilities. It is ideal for engineers developing high-efficiency switch mode power supplies (SMPS) that require reliable performance under high energy pulses and varying temperatures.
Page 1 Text Content
September 2000
QFETTM
FQAF11N90 900V N-Channel MOSFET General Description Features These N-Channel enhancement mode power field effect 7.2A, 900V, RDS(on) = 0.96 Ω @ VGS = 10 V transistors are produced using Fairchild’s proprietary, Low gate charge ( typical 72 n C) planar stripe, DMOS technology. Low Crss ( typical 30 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.
TO-3PF
FQAF Series G
Absolute Maximum Ratings TC = 25°C unless otherwise noted Symbol Parameter FQAF11N90 Units VDSS Drain-Source Voltage ID Drain Current - Continuous (TC = 25°C) 7.2
- Continuous (TC = 100°C) 4.55
IDM Drain Current - Pulsed (Note 1) 28.8 VGSS Gate-Source Voltage ± 30 EAS Single Pulsed Avalanche Energy (Note 2) m J IAR Avalanche Current (Note 1) 7.2 EAR Repetitive Avalanche Energy (Note 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 0.96 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 1.04 °C/W RθJA Thermal Resistance, Junction-to-Ambient °C/W
©2000 Fairchild Semiconductor International Rev. A, September 2000
Page Summary Contents For Fairchild FQAF11N90 Technical Data Sheet (1)(1)
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 8 |
| File Size | 678.91 KB |
| Published | July 15, 2026 |
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Frequently Asked Questions
What is the device's continuous drain current at 25°C?
The maximum continuous drain current (I_D C) at 25°C is 7.2 A.
Is this MOSFET suitable for high-efficiency power supplies?
Yes, the advanced packaging and technology make these devices well suited for high efficiency switch mode power supply applications.
What are the operational temperature limits?
The operating and storage temperature range for this device is -55 to +150 °C.
Can this component be used in critical life support systems?
No, use in life support devices or systems requires the explicit written approval of Fairchild Semiconductor International.