The FQL40N50 is a 500V N-channel MOSFET manufactured by Fairchild with a continuous current of 40A and a 0.11 Ohm on-state resistance.
This document is a technical datasheet for the Fairchild Semiconductor Corporation FQL40N50 device. It describes an N-Channel enhancement mode power field effect transistor produced using proprietary planar stripe DMOS technology, tailored to minimize on-state resistance and provide superior switching performance.
The datasheet provides absolute maximum ratings, electrical characteristics, and typical characteristics including capacitance, gate charge, and thermal response curves. It specifies the device is well suited for high efficiency switch mode power supply, power factor correction, motor drive, and welding machine applications.
| Continuous Drain Current (TC = 25°C) | 40 A |
|---|---|
| Static Drain-Source On-Resistance (RDS(on)) | 0.11 ℧ @VGS = 10 V |
| Total Gate Charge (Qg) | Typical 155 nC |
| Reverse Transfer Capacitance (Crss) | Typical 95 pF |
| Operating and Storage Temperature Range | -55 to +150 °C |
The device is well suited for high efficiency switch mode power supply, power factor correction, motor drive and welding machine.
The maximum continuous drain current (TC = 25°C) is 40 A.
The typical static drain-source on-resistance is 0.11 ℧ at VGS = 10 V.