Key facts
- Brand
- Fairchild
- Model
- FQPF3N80
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-04-12
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Fairchild FQPF3N80 Datasheet
The FQPF3N80 is an 800 V N‑Channel enhancement mode power MOSFET built with Fairchild's planar stripe DMOS technology. It is designed for high‑efficiency switch‑mode power supplies, offering low gate charge, low output capacitance, and robust avalanche capability.
Key specifications include a continuous drain current of 18 A at 25 °C, typical on‑resistance of 5 mΩ at VGS = 10 V, and a total gate charge of about 19 nC. The datasheet also provides detailed electrical characteristics, typical performance curves, and package dimensions for the TO‑220F package.
Fairchild FQPF3N80 specifications
| Drain‑Source Voltage (VDS) | 800 V |
|---|---|
| Continuous Drain Current (ID) at 25 °C | 18 A |
| Gate‑Source Voltage (VGS) Rating | ±30 V |
| On‑Resistance (RDS(on)) Typical | 5.0 mΩ @ VGS=10 V |
| Total Gate Charge (Qg) Typical | 15 nC |
| Total Gate Charge (Qg) Typical (high current) | 19 nC |
| Power Dissipation (PD) at 25 °C | 39 W |
| Thermal Resistance Junction‑to‑Case | 3.2 °C·W |
| Thermal Resistance Junction‑to‑Ambient | 62.5 °C·W |
Source: Fairchild FQPF3N80 Datasheet
All Fairchild FQPF3N80 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the maximum drain‑source voltage rating of the FQPF3N80?
The device is rated for a maximum drain‑source voltage of 800 V.
What continuous drain current can the FQPF3N80 handle at 25 °C?
It can conduct up to 18 A continuously at a case temperature of 25 °C.
What is the maximum drain‑source voltage rating?
The FQPF3N80 can withstand up to 800 V drain‑source voltage.
What continuous drain current can the device handle at 25 °C?
It is rated for a continuous drain current of 18 A at 25 °C.