DMA120B800LB-TUB

Bridge Rectifier Overview

The DMA120B800LB-TUB is a bipolar bridge rectifier module from IXYS, designed for high-power applications. It features an SMPD-B package configuration with screw terminals for secure mounting and thermal management. The device supports a repetitive peak reverse voltage of 800V and provides an average forward current rating of 120A at a case temperature of 90°C. This component utilizes planar passivated chips to ensure reliability under demanding electrical conditions.

Bridge Rectifier Feature Summary

• Utilizes planar passivated chip technology for enhanced durability
• Features screw terminal connections for robust mechanical stability
• Designed for efficient heat dissipation in high-current environments

Bridge Rectifier Applications

• Industrial motor drives
• Welding equipment power supplies
• Uninterruptible power systems (UPS)

Bridge Rectifier Procurement Notes

Verify the specific suffix LB against the manufacturer datasheet to confirm pinout and thermal interface specifications. Ensure the ordering quantity aligns with the tub packaging format provided by authorized distributors. Cross-reference the part number with official IXYS documentation to validate compatibility with existing circuit designs before procurement.

Bridge Rectifier Selection Notes

Select this module when an 800V blocking voltage and 120A continuous current capacity are required. The SMPD-B package offers a compact footprint suitable for space-constrained industrial enclosures. Consider the thermal resistance characteristics to determine appropriate heatsinking requirements for the intended operating environment.

Bridge Rectifier Part Context

This component belongs to IXYS's range of bipolar bridge rectifiers, which are engineered for high-efficiency AC-to-DC conversion. The SMPD-B series is recognized for its rugged construction and ability to handle significant surge currents, making it a standard choice in heavy-duty power electronics infrastructure.

Bridge Rectifier Replacement Considerations

Consult official IXYS substitution guides for compatible alternatives. Verify that any replacement maintains identical voltage ratings, current capacities, and physical mounting dimensions to ensure seamless integration without modifying the host system layout.