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DFA200AA80
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Product Detailed Parameters
- Description：DIODE MODULE 800V 200A
- Series：-
- Mfr：SanRex Corporation
- Package：Tray
- Structure：Bridge, 3-Phase - SCRs/Diodes
- Number of SCRs, Diodes：1 SCR, 6 Diodes
- Voltage - Off State：800 V
- Current - On State (It (AV)) (Max)：200 A
- Current - On State (It (RMS)) (Max)：-
- Current - Non Rep. Surge 50, 60Hz (Itsm)：1850A, 2000A
- Operating Temperature：-30°C ~ 150°C (TJ)
- Mounting Type：Chassis Mount
- Package / Case：Module
- Voltage - Gate Trigger (Vgt) (Max)：3 V
- Current - Gate Trigger (Igt) (Max)：100 mA
- Current - Hold (Ih) (Max)：-
- Grade：-
- Qualification：-
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Overview
The SanRex DFA200AA80 is a complex isolated power module designed for high-current circuits, integrating a three-phase bridge rectifier and a DC-line thyristor. It features screw mounting with an isolation breakdown voltage of 2500 VAC (1 minute). The diode section provides a repetitive peak reverse voltage of 800 V and a DC output current of 200 A at Tc=96°C. The thyristor section offers a repetitive peak reverse voltage of 800 V and an average on-state current of 200 A at Tc=93°C. Operating junction temperatures range from -30°C to +150°C for the diodes and -30°C to +135°C for the thyristor.
Feature Summary
- Combines a three-phase bridge diode configuration with a single thyristor in one compact unit.
- Provides electrical isolation between electrode terminals and the mounting base for safe parallel installation.
- Designed specifically for robust performance in high-current circuit applications.
Applications
- Inverter systems for AC or DC motor control
- Current stabilized power supplies
- Switching power supplies
Procurement Notes
Verify component authenticity by cross-referencing the manufacturer part number DFA200AA80 against official SanRex documentation. Confirm technical specifications match the required operational parameters before integration. Ensure compliance with relevant safety standards such as UL E76102. Validate thermal management requirements align with the specified junction-to-case thermal resistance values.
Selection Notes
Select this module when a combined three-phase rectification and controlled DC output is required within a single isolated package. Compare the 800V rating against system voltage peaks to ensure adequate margin. Evaluate thermal constraints based on the specific case temperature ratings for both the diode and thyristor sections. Consider the physical dimensions and mounting torque specifications for mechanical compatibility.
Part Context
This component belongs to the DFA series of complex isolated modules manufactured by SanRex Corporation. It is part of a family that includes variants with different voltage ratings, such as the DFA200AA160 which offers a 1600V rating. These modules are engineered for industrial power electronics where space efficiency and high current handling are critical.
Replacement Considerations
Direct replacements must match the integrated diode-thyristor topology and 800V rating. Verify that alternative components provide equivalent isolation breakdown voltages and similar thermal characteristics. Ensure the replacement supports the same screw mounting configuration and maintains compatibility with existing cooling solutions.
