Fairchild FQPF2N70 700V N-Channel MOSFET Specifications (1)(1)
Summary
The FQPF2N70 is an N-Channel enhancement mode power MOSFET designed for high-efficiency switch mode power supplies. Utilizing proprietary planar stripe, DMOS technology, it features a 700V drain-source voltage and a 2.0A continuous drain current, optimized for low on-state resistance and fast switching performance. This technical datasheet provides absolute maximum ratings, electrical characteristics, and thermal performance data for electrical engineers and system designers.
Page 1 Text Content
FQ PF2N 70QFET
FQPF2N70 700V N-Channel MOSFET General Description Features These N-Channel enhancement mode power field effect 2.0A, 700V, RDS(on) = 6.3Ω @VGS = 10 V transistors are produced using Fairchild’s proprietary, Low gate charge ( typical 9.0 n C) planar stripe, DMOS technology. Low Crss ( typical 5.0 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-220F
FQPF Series
Absolute Maximum Ratings TC = 25°C unless otherwise noted Symbol Parameter FQPF2N70 Units VDSS Drain-Source Voltage ID Drain Current - Continuous (TC = 25°C) 2.0
- Continuous (TC = 100°C) 1.3
IDM Drain Current - Pulsed (Note 1) 8.0 VGSS Gate-Source Voltage ± 30 EAS Single Pulsed Avalanche Energy (Note 2) m J IAR Avalanche Current (Note 1) 2.0 EAR Repetitive Avalanche Energy (Note 1) 2.8 m J
dv/dt Peak Diode Recovery dv/dt (Note 3) 4.5 V/ns
PD Power Dissipation (TC = 25°C)
- Derate above 25°C 0.22 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 4.46 °C/W RθJA Thermal Resistance, Junction-to-Ambient 62.5 °C/W
©2003 Fairchild Semiconductor Corporation Rev. A, March 2003
Page Summary Contents For Fairchild FQPF2N70 700V N-Channel MOSFET Specifications (1)(1)
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 8 |
| File Size | 637.54 KB |
| Published | June 20, 2026 |
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Frequently Asked Questions
What are ideal applications for this MOSFET?
It is well suited for high efficiency switch mode power supplies due to its fast switching capabilities.
What are the absolute maximum voltage and current ratings?
The maximum drain-source voltage (V(DSS)) is 700 V, with a continuous drain current of 2.0 A at 25°C.
How does temperature affect power dissipation?
When operating above 25°C, the device requires derating using the ratio of 0.22 W/°C.
Can this component be used in life support devices?
No, its use is not authorized for life support systems without express written approval from Fairchild Semiconductor Corporation.