STMicroelectronics

STTH3R04RL

STTH3R04RL Description

The STTH3R04RL from STMicroelectronics is a general-purpose rectifier diode designed for high-efficiency power conversion applications. With a 400V reverse voltage (Vr) and 3A average rectified current (Io), it delivers robust performance in demanding circuits. The diode features a fast recovery time of 35ns, ensuring minimal switching losses, and a low forward voltage drop (1.5V @ 3A), enhancing energy efficiency. Packaged in a DO-201AD through-hole format with Tape & Reel (TR), it is optimized for automated assembly. Its RoHS3 compliance and REACH-unaffected status make it suitable for environmentally conscious designs.

STTH3R04RL Features

• Fast Recovery Speed: ≤500ns recovery time, ideal for high-frequency switching (e.g., SMPS, inverters).
• Low Leakage Current: 5µA @ 400V ensures minimal power loss in standby modes.
• High-Temperature Operation: Junction temperature up to 175°C for reliability in harsh environments.
• Low Vf: 1.5V @ 3A reduces conduction losses compared to standard diodes.
• Robust Packaging: DO-201AD offers mechanical durability and efficient heat dissipation.
• Compliance: ROHS3, REACH, and ECCN EAR99 certified for global market compatibility.

STTH3R04RL Applications

• Power Supplies: AC-DC converters, flyback/boost circuits in industrial and consumer electronics.
• Motor Drives: Freewheeling diodes in motor control systems.
• Lighting: Rectification in LED drivers and ballasts.
• Renewable Energy: Solar inverters and battery management systems.
• Automotive: Auxiliary power circuits where high-temperature tolerance is critical.

Conclusion of STTH3R04RL

The STTH3R04RL stands out for its fast recovery, low losses, and high-voltage capability, making it a superior choice for efficiency-critical designs. Its wide operating temperature range and compliance with environmental standards ensure versatility across industrial, automotive, and renewable energy applications. Engineers benefit from its optimized balance of performance and cost, particularly in high-frequency power electronics where switching speed and thermal stability are paramount.