Manufacturer Part Number
STF40NF20
Manufacturer
STMicroelectronics
Introduction
The STF40NF20 is a high-performance N-Channel power MOSFET in the TO-220FP package, part of the STripFET series.
Product Features and Performance
Wide operating temperature range of -55°C to 150°C
Low on-resistance of 45 mOhm at 20A, 10V
High drain-source voltage of 200V
Low input capacitance of 2500 pF at 25V
High continuous drain current of 40A at 25°C case temperature
Low gate charge of 75 nC at 10V
Product Advantages
Excellent power efficiency due to low on-resistance
Reliable operation across wide temperature range
Suitable for high-voltage, high-current applications
Key Technical Parameters
Drain-Source Voltage (Vdss): 200V
Gate-Source Voltage (Vgs): ±20V
Continuous Drain Current (Id): 40A at 25°C
On-Resistance (Rds(on)): 45 mOhm at 20A, 10V
Input Capacitance (Ciss): 2500 pF at 25V
Power Dissipation (Pd): 40W at 25°C case temperature
Quality and Safety Features
RoHS3 compliant
Through-hole mounting in TO-220FP package
Compatibility
Compatible with a wide range of high-power, high-voltage applications.
Application Areas
Switch-mode power supplies
Motor drives
Industrial and consumer electronics
Automotive electronics
Product Lifecycle
The STF40NF20 is an active product, with no plans for discontinuation. Replacement or upgrade options are available if needed.
Key Reasons to Choose This Product
Excellent power efficiency and low on-resistance
Wide operating temperature range for reliable performance
High voltage and current capabilities for demanding applications
Small and compact TO-220FP package for easy integration
RoHS3 compliance for environmentally-friendly use