Key facts
- Brand
- Fairchild
- Model
- FQAF19N20
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-04-12
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Fairchild FQAF19N20 Datasheet
The FQAF19N20 is a 200 V N‑Channel enhancement‑mode power MOSFET built with Fairchild’s planar‑stripe DMOS technology. It offers low on‑resistance, fast switching, and high avalanche capability, making it suitable for DC‑DC converters, SMPS, motor control and UPS applications.
The document provides absolute maximum ratings, thermal characteristics, electrical parameters, typical performance curves, and package dimensions for the TO‑3PF package, along with trademark and disclaimer information.
Fairchild FQAF19N20 specifications
| Drain‑Source Voltage (VDS) | 200 V |
|---|---|
| Continuous Drain Current (ID) @ 25 °C | 15 A |
| Continuous Drain Current (ID) @ 100 °C | 9.5 A |
| Pulsed Drain Current (ID) (Note 1) | 60 A |
| Gate‑Source Voltage (VGS) | +30 V |
| Power Dissipation (PD) @ 25 °C | 85 W |
| Junction‑to‑Case Thermal Resistance (RθJC) | 1.47 °C·W |
| Junction‑to‑Ambient Thermal Resistance (RθJA) | 40 °C·W |
| On‑Resistance (RDS(on)) typical | 0.12‑0.15 Ω |
| Total Gate Charge (Qg) typical | 31 nC |
Source: Fairchild FQAF19N20 Datasheet
All Fairchild FQAF19N20 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 a continuous drain current of 15 A at 25 °C.
What is the typical gate charge of the FQAF19N20?
The typical total gate charge is 31 nC.
What is the maximum drain‑source voltage rating?
The device is rated for a maximum drain‑source voltage of 200 V.
What continuous drain current can the FQAF19N20 handle at 25 °C?
It can conduct up to 15 A continuously at a case temperature of 25 °C.