Key facts
- Brand
- Fairchild
- Model
- FQAF19N20L
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-04-12
Start here
Fairchild FQAF19N20L 200V Logic N-Channel MOSFET Datasheet
The FQAF19N20L is a 200 V logic N‑Channel MOSFET produced with Fairchild’s planar stripe DMOS technology. It is designed for high‑efficiency switching in DC/DC converters, SMPS, and motor‑control applications. The device offers low gate charge, low output capacitance, and fast switching performance.
Key features include a continuous drain current of 16 A at 25 °C, a pulsed rating of 64 A, an on‑resistance of 0.142 Ω at Vgs = 10 V, and an avalanche energy rating of 250 mJ. The MOSFET is supplied in a TO‑3PF package and includes detailed electrical and thermal characteristics for design integration.
Fairchild FQAF19N20L specifications
| Drain‑Source Voltage (VDS) | 200 V |
|---|---|
| Continuous Drain Current (Id) @ 25 °C | 16 A |
| Continuous Drain Current (Id) @ 100 °C | 10.1 A |
| Pulsed Drain Current (Id) (Note 1) | 64 A |
| Gate‑Source Voltage (VGS) | +20 V |
| On‑Resistance (RDS(on)) @ VGS=10 V | 0.142 Ω |
| Total Gate Charge (Qg) | 27 nC typical |
| Power Dissipation (PD) @ 25 °C | 85 W |
| Thermal Resistance, Junction‑to‑Case | 1.47 °C/W |
| Thermal Resistance, Junction‑to‑Ambient | 40 °C/W |
Source: Fairchild FQAF19N20L 200V Logic N-Channel MOSFET Datasheet
All Fairchild FQAF19N20L documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the maximum continuous drain current at 25 °C?
The device can conduct up to 16 A continuously at a case temperature of 25 °C.
From: Fairchild FQAF19N20L 200V Logic N-Channel MOSFET Datasheet
What avalanche energy rating does the FQAF19N20L have?
It is rated for a single‑pulse avalanche energy of 250 mJ and a repetitive avalanche energy of 8.5 mJ.
From: Fairchild FQAF19N20L 200V Logic N-Channel MOSFET Datasheet
What is the maximum drain‑source voltage for the FQAF19N20L?
The device is rated for a maximum drain‑source voltage of 200 V.
What is the typical gate charge of the FQAF19N20L?
The typical gate charge is 27 nC.