Overview
The STF20NM65N is a high-performance Power MOSFET produced by STMicroelectronics. This component is designed with a revolutionary vertical structure and the company's strip layout, resulting in one of the world's lowest on-resistance and gate charge values. It is optimized for high-efficiency and compact Switch-Mode Power Supply (SMPS) designs, offering excellent switching performance and a high junction temperature rating of 200°C.
Key Specifications
| Parameter | Value |
|---|---|
| VDS (Drain-Source Voltage) | 650 V |
| VGS (Gate-Source Voltage) | ±20 V |
| ID (Continuous Drain Current) | 20 A |
| RDS(on) (On-Resistance) | 19 mΩ (typical at VGS = 10 V) |
| TJ (Junction Temperature) | -55°C to 200°C |
| PD (Power Dissipation) | Dependent on package and thermal conditions |
Key Features
- Low on-resistance (RDS(on)) and gate charge, enhancing switching efficiency and reducing power losses.
- High junction temperature rating of 200°C, allowing for reliable operation in demanding environments.
- Excellent switching performance, making it suitable for high-frequency applications.
- Low gate input resistance, facilitating easier gate drive and control.
Applications
The STF20NM65N is ideal for various high-power applications, including:
- Switch-Mode Power Supplies (SMPS): Due to its high efficiency and low on-resistance, it is well-suited for DC-DC converters, power adapters, and other SMPS designs.
- Motor Drives: Its high current handling and low losses make it suitable for motor control and drive systems.
- Power Factor Correction (PFC): The component's excellent switching characteristics and high temperature rating make it a good choice for PFC circuits.
- Industrial Power Supplies: It is used in high-power industrial power supplies where efficiency and reliability are critical.
Q & A
- What is the maximum drain-source voltage (VDS) of the STF20NM65N?
The maximum drain-source voltage (VDS) is 650 V. - What is the typical on-resistance (RDS(on)) of the STF20NM65N?
The typical on-resistance (RDS(on)) is 19 mΩ at VGS = 10 V. - What is the maximum junction temperature (TJ) of the STF20NM65N?
The maximum junction temperature (TJ) is 200°C. - What are the typical applications of the STF20NM65N?
The STF20NM65N is typically used in Switch-Mode Power Supplies (SMPS), motor drives, power factor correction (PFC) circuits, and industrial power supplies. - What is the continuous drain current (ID) rating of the STF20NM65N?
The continuous drain current (ID) rating is 20 A. - Why is the STF20NM65N considered high-performance?
The STF20NM65N is considered high-performance due to its low on-resistance, low gate charge, and excellent switching performance. - What is the significance of the low gate input resistance in the STF20NM65N?
The low gate input resistance facilitates easier gate drive and control, enhancing overall system efficiency. - How does the STF20NM65N contribute to compact SMPS designs?
The STF20NM65N contributes to compact SMPS designs through its high efficiency and low on-resistance, which reduce the need for large heat sinks and other cooling measures. - What are the benefits of the high junction temperature rating of the STF20NM65N?
The high junction temperature rating of 200°C allows for reliable operation in demanding and high-temperature environments. - Can the STF20NM65N be used in high-frequency applications?
Yes, the STF20NM65N is suitable for high-frequency applications due to its excellent switching performance.
