Overview
The STW45NM50FD is a high-performance N-channel power MOSFET produced by STMicroelectronics. It belongs to the FDmesh™ family, which combines the advantages of reduced on-resistance and fast switching with an intrinsic fast-recovery body diode. This MOSFET is designed to enhance power density in high-voltage converters, making it suitable for various high-power applications.
Key Specifications
| Parameter | Value |
|---|---|
| Maximum Drain-Source Voltage (Vds) | 500 V |
| Maximum Gate-Source Voltage (Vgs) | 30 V |
| Maximum Gate-Threshold Voltage (Vgs(th)) | 5 V |
| Maximum Drain Current (Id) | 45 A |
| Maximum Junction Temperature (Tj) | 150 °C |
| Maximum Power Dissipation (Pd) | 417 W |
| Maximum Drain-Source On-State Resistance (Rds(on)) | 0.1 Ω |
| Total Gate Charge (Qg) | 92 nC |
| Rise Time (tr) | 107.5 nS |
| Output Capacitance (Coss) | 1260 pF |
| Package | TO247 |
Key Features
- Low input capacitance and gate charge
- Low gate input resistance
- 100% avalanche tested
- Tight process control and high manufacturing yields for robust device performance and reliable operation
- Intrinsic fast-recovery body diode
- High dv/dt and avalanche capabilities
- Zener-protected
Applications
The STW45NM50FD MOSFET is ideal for various high-power applications, including:
- Flyback converters
- LED lighting systems
- High-voltage DC-DC converters
- Power supplies requiring high efficiency and reliability
Q & A
- What is the maximum drain-source voltage of the STW45NM50FD MOSFET?
The maximum drain-source voltage is 500 V. - What is the maximum gate-source voltage for this MOSFET?
The maximum gate-source voltage is 30 V. - What is the maximum drain current of the STW45NM50FD?
The maximum drain current is 45 A. - What is the maximum junction temperature for this device?
The maximum junction temperature is 150 °C. - What package type is used for the STW45NM50FD?
The package type is TO247. - What are some key features of the STW45NM50FD?
Key features include low input capacitance and gate charge, low gate input resistance, and 100% avalanche testing. - What applications is the STW45NM50FD suitable for?
It is suitable for flyback converters, LED lighting systems, and high-voltage DC-DC converters. - What is the maximum power dissipation of the STW45NM50FD?
The maximum power dissipation is 417 W. - What is the total gate charge of the STW45NM50FD?
The total gate charge is 92 nC. - Does the STW45NM50FD have any special protection features?
Yes, it is Zener-protected.
