STMicroelectronics

STD85N3LH5

STD85N3LH5 Description

The STD85N3LH5 is a high-performance N-Channel MOSFET from STMicroelectronics, designed for applications requiring high power dissipation and robust performance. With a drain-source voltage (Vdss) of 30V and a continuous drain current (Id) of 80A at 25°C, this device is well-suited for demanding power electronics applications. The STD85N3LH5 features a low on-resistance (Rds On) of 5mOhm at 40A and 10V, ensuring efficient power transfer and minimizing power losses. The device is available in a DPAK package, making it ideal for surface-mount applications.

STD85N3LH5 Features

• High Power Dissipation: With a maximum power dissipation of 70W at case temperature (Tc), the STD85N3LH5 can handle high power applications with ease.
• Low On-Resistance: The low Rds On of 5mOhm at 40A and 10V contributes to high efficiency and reduced power losses in power electronics applications.
• Robust Operating Temperature: The device can operate at a junction temperature (TJ) of up to 175°C, making it suitable for high-temperature environments.
• Compliance with Industry Standards: The STD85N3LH5 is compliant with the RoHS3 directive, ensuring environmental friendliness and adherence to industry regulations.
• Low Gate Charge: The maximum gate charge (Qg) of 14nC at 5V helps reduce switching losses and improve overall efficiency.
• Surface Mount Technology: The DPAK package allows for easy integration into surface-mount applications, reducing footprint and improving board layout.

STD85N3LH5 Applications

The STD85N3LH5 is ideal for a variety of high-power applications, including:

• Power Supplies: Its high voltage and current ratings make it suitable for power supply designs, where efficient power transfer and low power losses are critical.
• Motor Control: The device's high current and voltage ratings, combined with low on-resistance, make it an excellent choice for motor control applications, where high efficiency and robust performance are required.
• Industrial Automation: In industrial automation systems, the STD85N3LH5 can be used for high-power switching and control applications, where reliability and performance are paramount.

Conclusion of STD85N3LH5

The STD85N3LH5 is a high-performance N-Channel MOSFET from STMicroelectronics, offering a combination of high power dissipation, low on-resistance, and robust operating temperature. Its compliance with industry standards, such as RoHS3, and its surface-mount package make it an ideal choice for a wide range of high-power applications, including power supplies, motor control, and industrial automation. While the device is now considered obsolete, it remains a reliable option for existing designs and applications that require its specific performance characteristics.