Mitsubishi Electric MDQ-100A Diode Bridge Rectifier Module

Description:

The MDQ Single-Phase Diode Bridge Rectifier Module is a high-current semiconductor power module designed to convert single-phase AC input into DC output for industrial power conversion applications. Available in 100A, 200A, and 500A current ratings with a 1600V peak reverse voltage, the module is commonly used in power supplies, motor drives, battery chargers, welding equipment, and industrial rectifier systems. Its metal-base construction allows efficient heat dissipation for continuous high-power operation.

Applications:

The MDQ Diode Bridge Rectifier Module is used in variable frequency drives (VFDs), DC motor power supplies, battery charging systems, industrial welding machines, UPS equipment, electroplating systems, and other high-power AC-to-DC conversion applications. The module provides full-wave rectification with high surge current capability and reliable long-term performance.

Technical Specifications:

• Manufacturer: Various Manufacturers
• Product Type: Single-phase bridge rectifier module
• Series: MDQ
• Function: Full-wave AC-to-DC rectification
• Current Ratings: 100 A, 200 A, or 500 A (model dependent)
• Peak Reverse Voltage (VRRM): 1600 V
• Phase: Single-phase
• Number of Terminals: 4
• Semiconductor Type: Silicon rectifier diodes
• Mounting Type: Chassis mount with heat sink mounting holes
• Housing Material: Metal base with insulated molded housing
• Cooling Method: External heat sink required
• Compatible Equipment: Power supplies, VFDs, DC motor drives, battery chargers, welding equipment, and industrial automation systems
• Operating Environment: Industrial power electronics applications
• Application: High-current AC-to-DC power conversion
• Designed For: Reliable high-power rectification in industrial electrical systems.

Common Replacements:

• MDQ100A1600V Bridge Rectifier Module (100 A version)
• MDQ200A1600V Bridge Rectifier Module (200 A version)
• MDQ500A1600V Bridge Rectifier Module (500 A version)
• Equivalent single-phase bridge rectifier module with matching current rating, 1600 V blocking voltage, and mounting dimensions