STMicroelectronics

STTH20R04D  

Single Diodes

STTH20R04D Description

The STTH20R04D from STMicroelectronics is a high-performance 400V, 20A general-purpose diode designed for demanding power electronics applications. Featuring a fast recovery time of 45ns, it ensures efficient switching performance in circuits requiring rapid transitions. With a low forward voltage drop (1.7V @ 20A) and minimal reverse leakage current (20µA @ 400V), this diode minimizes power losses and enhances system efficiency. Its TO-220AC through-hole package provides robust thermal and mechanical stability, making it suitable for high-power environments. The device operates reliably up to 175°C junction temperature and complies with ROHS3 and REACH environmental standards.

STTH20R04D Features

• Fast Recovery: Ultra-low 45ns reverse recovery time (trr), reducing switching losses in high-frequency applications.
• High Current Handling: 20A average rectified current (Io) with 400V reverse voltage (Vr) capability.
• Low Power Dissipation: 1.7V max forward voltage (Vf) ensures minimal conduction losses.
• Robust Construction: TO-220AC package offers excellent thermal performance and mechanical durability.
• Wide Temperature Range: Operates up to 175°C, suitable for harsh environments.
• Compliance: ROHS3, REACH Unaffected, and ECCN EAR99 certified for global use.

STTH20R04D Applications

• Power Supplies: Ideal for AC-DC converters, SMPS, and PFC (Power Factor Correction) circuits due to fast switching.
• Motor Drives: Enhances efficiency in inverters and H-bridge configurations with low trr.
• Industrial Systems: Suitable for welding equipment, UPS systems, and high-power rectification.
• Renewable Energy: Used in solar inverters and wind turbine converters for reliable performance.
• Automotive Electronics: Supports high-current rectification in charging systems and DC-DC converters.

Conclusion of STTH20R04D

The STTH20R04D stands out as a high-efficiency, fast-recovery diode optimized for high-power, high-frequency applications. Its combination of low Vf, ultra-fast trr, and robust thermal performance makes it superior to standard diodes in reducing energy losses and improving system reliability. Whether in industrial, automotive, or renewable energy systems, this diode delivers consistent performance under demanding conditions, backed by STMicroelectronics' quality assurance.

STTH20R04D Documents

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