Overview
The STD5NK40ZT4 is a high-voltage N-channel Power MOSFET developed by STMicroelectronics. This device is part of the SuperMESH™ series, which is an optimization of ST's well-established strip-based PowerMESH™ layout. It features advanced technology such as ST's STripFET F8, enhancing its performance and reliability. The MOSFET is designed for high-voltage applications and is particularly suited for use in flyback converters and LED lighting systems due to its robust specifications and protective features.
Key Specifications
| Parameter | Value |
|---|---|
| Voltage Rating (Vds) | 400 V |
| Continuous Drain Current (Id) | 3 A |
| On-Resistance (Rds(on)) | 1.47 ohm |
| Power Dissipation (Pd) | 45 W |
| Package Type | TO-252 (DPAK), Surface Mount |
| Avalanche Rating | 100% avalanche tested |
| Protection Features | Zener-protected |
Key Features
The STD5NK40ZT4 boasts several key features that make it an ideal choice for various high-voltage applications. These include:
- SuperMESH™ Technology: An optimization of ST's strip-based PowerMESH™ layout, enhancing the device's performance and efficiency.
- STripFET F8 Technology: Features an enhanced trench gate structure, contributing to lower on-resistance and improved switching characteristics.
- Zener Protection: The device is Zener-protected, providing additional safety against voltage spikes and surges.
- Avalanche Tested: 100% avalanche tested to ensure robustness and reliability in demanding applications.
Applications
The STD5NK40ZT4 is well-suited for a variety of high-voltage applications, including:
- Flyback Converters: Ideal for use in flyback converters due to its high voltage rating and low on-resistance.
- LED Lighting Systems: Suitable for LED lighting applications where high efficiency and reliability are crucial.
- Power Supplies: Can be used in various power supply designs requiring high voltage and current handling capabilities.
Q & A
- What is the voltage rating of the STD5NK40ZT4?
The voltage rating (Vds) of the STD5NK40ZT4 is 400 V. - What is the continuous drain current of the STD5NK40ZT4?
The continuous drain current (Id) of the STD5NK40ZT4 is 3 A. - What is the on-resistance of the STD5NK40ZT4?
The on-resistance (Rds(on)) of the STD5NK40ZT4 is 1.47 ohm. - What package types are available for the STD5NK40ZT4?
The STD5NK40ZT4 is available in TO-252 (DPAK) surface mount packages. - Is the STD5NK40ZT4 avalanche tested?
Yes, the STD5NK40ZT4 is 100% avalanche tested. - What technology does the STD5NK40ZT4 use?
The STD5NK40ZT4 uses ST's SuperMESH™ and STripFET F8 technologies. - What are some common applications of the STD5NK40ZT4?
The STD5NK40ZT4 is commonly used in flyback converters, LED lighting systems, and other high-voltage power supply applications. - Does the STD5NK40ZT4 have any protective features?
Yes, the STD5NK40ZT4 is Zener-protected. - What is the power dissipation rating of the STD5NK40ZT4?
The power dissipation (Pd) rating of the STD5NK40ZT4 is 45 W. - Where can I find detailed specifications for the STD5NK40ZT4?
Detailed specifications for the STD5NK40ZT4 can be found on the official STMicroelectronics website, as well as on distributor sites like Mouser, Digi-Key, and element14.
