Overview
The STW40NF20 is a high-performance N-channel Power MOSFET produced by STMicroelectronics. This device is part of the STripFET™ series, which is designed to minimize input capacitance and gate charge, making it highly suitable for advanced high-efficiency isolated DC-DC converters. The STW40NF20 is available in the TO-247 package and is known for its excellent figure of merit (RDS*Qg) and very low intrinsic capacitances.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Drain-Source Voltage (VDS) | 200 | V |
| Gate-Source Voltage (VGS) | ±20 | V |
| Drain Current (continuous) at TC = 25°C (ID) | 40 | A |
| Drain Current (continuous) at TC = 100°C (ID) | 25 | A |
| Pulsed Drain Current (IDM) | 160 | A |
| Total Dissipation at TC = 25°C (Ptot) | 160 | W |
| Static Drain-Source On Resistance (RDS(on)) | <0.045 | Ω |
| Gate Threshold Voltage (VGS(th)) | 2-4 | V |
| Source-Drain Diode Forward Voltage (VSD) | 1.5 | V |
Key Features
- Minimized gate charge and very low intrinsic capacitances.
- Excellent figure of merit (RDS*Qg).
- Very good manufacturing repeatability.
- 100% avalanche tested.
- Available in ECOPACK® packages with Lead-free second level interconnect.
Applications
The STW40NF20 is primarily used in switching applications, particularly in advanced high-efficiency isolated DC-DC converters. Its low gate charge and excellent figure of merit make it an ideal choice for high-performance power switching.
Q & A
- What is the maximum drain-source voltage (VDS) of the STW40NF20?
The maximum drain-source voltage (VDS) is 200V.
- What is the continuous drain current (ID) at 25°C?
The continuous drain current (ID) at 25°C is 40A.
- What is the static drain-source on resistance (RDS(on))?
The static drain-source on resistance (RDS(on)) is less than 0.045Ω.
- What is the gate threshold voltage (VGS(th)) range?
The gate threshold voltage (VGS(th)) range is 2-4V.
- Is the STW40NF20 100% avalanche tested?
- What type of package is the STW40NF20 available in?
The STW40NF20 is available in the TO-247 package.
- What is the maximum pulsed drain current (IDM)?
The maximum pulsed drain current (IDM) is 160A.
- What is the total dissipation at TC = 25°C (Ptot)?
The total dissipation at TC = 25°C (Ptot) is 160W.
- Does the STW40NF20 come in ECOPACK® packages?
- What are the typical applications of the STW40NF20?
The STW40NF20 is typically used in switching applications, especially in advanced high-efficiency isolated DC-DC converters.
