The SanRex DF20AA120 Three‑Phase Bridge Rectifier Diode Module is a high-quality power semiconductor solution engineered for demanding industrial and power-electronics applications. It is available for purchase through USComponent, a trusted distributor of SanRex components, at https://www.uscomponent.com/buy/SanRex/DF20AA120, ensuring authentic parts, dependable supply, and technical support for mission-critical projects.
The DF20AA120 is designed as a three-phase bridge rectifier, enabling efficient conversion of three-phase AC power into DC power. With a 1200 V repetitive peak reverse voltage rating and 20 A average rectified current capacity, this module provides consistent performance under high-current industrial loads. Its robust design and thermal stability make it ideal for applications where reliability, efficiency, and long-term durability are critical.
Key Features and Advantages
SanRex’s DF series bridge rectifiers, including the DF20AA120, incorporate six high-reliability diodes arranged in a three-phase bridge configuration, delivering full-wave rectification with minimal voltage drop. The module’s isolated base plate allows straightforward heatsink mounting, simplifying thermal management while ensuring electrical safety. Additionally, the diodes are glass-passivated, enhancing long-term stability and resistance to environmental stress.
Voltage Rating: 1200 V peak reverse voltage
Current Rating: 20 A average rectified output
Configuration: Three-phase bridge rectifier
Mounting: Isolated base plate for easy heatsink attachment
Compact Design: Saves assembly space compared to discrete diode solutions
These features make the DF20AA120 a reliable component for industrial power conversion and high-current rectification applications.
Typical Applications
The SanRex DF20AA120 is widely used across various industrial and energy systems, including:
Industrial Motor Drives: Converts three-phase AC into DC for variable-speed motor control.
Switch-Mode Power Supplies (SMPS): Provide efficient rectification for high-power DC bus systems.
AC/DC Motor Control Systems: Stabilizes DC supply from three-phase AC input for smooth operation.
Inverters and Uninterruptible Power Supplies (UPS): Supplies reliable DC voltage to inverter sections.
Renewable Energy Systems: Converts AC from wind turbines or solar inverters into regulated DC for storage or further conversion.
Welding Equipment and Heavy Machinery: Delivers dependable DC power for high-current industrial processes.
The module’s ability to operate under continuous high-current conditions while maintaining thermal and electrical stability makes it a trusted solution for industries ranging from manufacturing and energy to automation and transportation.
Why Choose the DF20AA120 Three-Phase Bridge Rectifier Module?
Selecting the SanRex DF20AA120 offers engineers and system designers several key benefits:
Efficient Three-Phase Rectification: Handles three-phase AC power without the need for multiple discrete diodes, reducing design complexity.
Simplified Assembly: The isolated base plate facilitates effective heatsink mounting and improves thermal performance.
High Reliability: Glass-passivated diodes provide long-term stability and resistance to environmental and thermal stress.
Compact Module Form Factor: Saves board space and reduces assembly time compared to separate diodes.
Consistent Performance: Ensures steady DC output voltage for sensitive industrial applications.
By integrating the DF20AA120 module, engineers can streamline system design, improve safety, and achieve reliable AC-to-DC conversion for high-power industrial systems.
Integration and Technical Guidance
For detailed specifications, including junction temperature limits, surge ratings, and mechanical dimensions, engineers can consult the official DF20AA120 datasheet. The module’s design enables safe integration with heatsinks, power buses, and control electronics, ensuring predictable performance in industrial environments.
The SanRex DF20AA120 is an ideal choice for engineers seeking a durable, high-current three-phase rectification solution. It combines efficiency, reliability, and ease of integration, making it suitable for new system designs or replacement applications where consistent performance and thermal stability are essential.
For pricing, availability, or technical support, you can also contact sales@uscomponent.com to ensure professional assistance and accurate information.
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