STMicroelectronics

STTH5L06B

STTH5L06B Description

The STTH5L06B from STMicroelectronics is a fast recovery rectifier diode designed for high-efficiency power conversion applications. With a 600V reverse voltage (Vr) and 5A average rectified current (Io), it offers robust performance in demanding circuits. Its ultra-fast recovery time (trr) of 95ns ensures minimal switching losses, making it ideal for high-frequency operations. The diode features a low forward voltage drop (1.3V @ 5A), enhancing energy efficiency, and exhibits low reverse leakage current (5µA @ 600V), improving reliability. Packaged in a DPAK (TO-252) surface-mount format, it is suitable for automated assembly processes.

STTH5L06B Features

• Fast Recovery: ≤500ns recovery time, optimized for >200mA operation.
• High Voltage Rating: 600V DC reverse voltage (Vr) for robust surge protection.
• Low Power Loss: 1.3V max forward voltage (Vf) at 5A reduces thermal stress.
• High-Temperature Operation: Rated for 175°C junction temperature, ensuring stability in harsh environments.
• Surface-Mount Design: DPAK package for compact PCB integration.
• Compliance: ROHS3 and REACH compliant, with MSL1 (unlimited) moisture sensitivity.

STTH5L06B Applications

The STTH5L06B excels in:

• Switching Power Supplies (SMPS): Efficient rectification in AC/DC and DC/DC converters.
• Freewheeling Diodes: Protects inductive loads in motor drives and inverters.
• Power Factor Correction (PFC): Low trr minimizes losses in high-frequency PFC stages.
• Industrial Systems: Reliable performance in welding equipment, UPS, and solar inverters.
• Automotive Electronics: Suitable for auxiliary power systems due to high-temperature tolerance.

Conclusion of STTH5L06B

The STTH5L06B combines high-voltage capability, fast recovery, and low conduction losses, making it a superior choice for power electronics designers. Its DPAK packaging and compliance with environmental standards further enhance its appeal for modern, space-constrained applications. While marked as obsolete, it remains a proven solution for legacy designs requiring 600V rectification with minimal switching losses. For replacements, consider STMicroelectronics' newer fast-recovery diodes with similar or improved specifications.