Key facts
- Brand
- Fairchild
- Model
- FDH44N50
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-07-11
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Fairchild FDH44N50 N-Channel SMPS Power MOSFET Datasheet
This document provides technical specifications and application information for the Fairchild Semiconductor FDH44N50. It is an N-Channel SMPS Power MOSFET rated at 44 Amperes continuous drain current and 500 Volts drain-to-source voltage, housed in a JEDEC TO-247 package.
The datasheet details the device's suitability for various switch-mode power supply topologies, including PFC Boost, Forward Converter, Flyback, and Buck converters. Key features highlighted include low gate charge requirements, improved ruggedness against avalanche and high dv/dt stress, reduced Miller capacitance, and a junction temperature rating of 175°C.
Fairchild FDH44N50 specifications
| Continuous Drain Current (Tj=25°C) | 44 A |
|---|---|
| Drain to Source Voltage | 500 V |
| On-Resistance (Typical) | 0.12 Ohm |
| Package Type | JEDEC TO-247 |
| Operating Junction Temperature | -55 to 175 °C |
Source: Fairchild FDH44N50 N-Channel SMPS Power MOSFET Datasheet
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Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the maximum rated junction temperature for this MOSFET?
The device is rated for a maximum junction temperature of 175°C.
From: Fairchild FDH44N50 N-Channel SMPS Power MOSFET Datasheet
What is the maximum power dissipation rating for this component?
The maximum power dissipation is 750 W.
From: Fairchild FDH44N50 N-Channel SMPS Power MOSFET Datasheet
What are the recommended applications for the FDH44N50?
It is suitable for Switch Mode Power Supplies (SMPS) such as PFC Boost, Two-Switch Forward Converter, Single Switch Forward Converter, Flyback Converter, and Buck Converter.
From: Fairchild FDH44N50 N-Channel SMPS Power MOSFET Datasheet
What is the maximum junction temperature rating?
The device is rated for a maximum junction temperature of 175°C.
From: Fairchild FDH44N50 N-Channel SMPS Power MOSFET Datasheet