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DFA50BA160
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Product Detailed Parameters
- Description：DIODE MODULE 1600V 50A
- Series：-
- Mfr：SanRex Corporation
- Package：Tray
- Structure：Bridge, 3-Phase - SCRs/Diodes
- Number of SCRs, Diodes：1 SCR, 6 Diodes
- Voltage - Off State：1.6 kV
- Current - On State (It (AV)) (Max)：50 A
- Current - On State (It (RMS)) (Max)：-
- Current - Non Rep. Surge 50, 60Hz (Itsm)：730A, 800A
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Chassis Mount
- Package / Case：Module
- Voltage - Gate Trigger (Vgt) (Max)：3 V
- Current - Gate Trigger (Igt) (Max)：70 mA
- Current - Hold (Ih) (Max)：-
- Grade：-
- Qualification：-
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Overview
The SanRex DFA50BA160 is a complex isolated power module designed for high-current circuits, integrating six diodes in a three-phase bridge configuration with a thyristor connected to the direct current line. It features screw mounting and electrical isolation between electrode terminals and the mounting base. Key ratings include a repetitive peak reverse voltage of 1600 V, a DC output current of 50 A at Tc=117°C, and a surge forward current of 800 A. The maximum junction temperature is 150°C, with an operating range from -40°C to +150°C. The typical mass is 150 g.
Feature Summary
- Integrates a three-phase diode bridge and a DC-line thyristor into a single compact unit.
- Provides electrical isolation between electrode terminals and the mounting base for safe parallel installation on heatsinks.
- Designed for robust performance in high-current circuit applications.
Applications
- Inverters 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 DFA50BA160 with official SanRex documentation. Confirm technical specifications such as the 1600V rating and 50A current capacity match project requirements before procurement. Ensure compliance with RoHS directives as indicated in product listings. Review datasheet details regarding thermal impedance and mounting torque (1.5-2.5 N·m) for proper integration.
Selection Notes
Select this module for applications requiring combined three-phase rectification and thyristor control in a compact form factor. Consider the 1600V reverse voltage rating for appropriate system voltage levels. Evaluate thermal management needs based on the 0.10 °C/W case-to-fin thermal impedance and the 50A DC current rating at specified case temperatures. Ensure mechanical compatibility with M5 mounting hardware.
Part Context
The DFA50BA160 belongs to the SanRex DFA series of three-phase diode/thyristor modules. This series includes variants like the DFA50BA80, which shares similar structural characteristics but differs in voltage ratings. These modules are engineered for industrial power electronics, offering a solution that combines rectification and switching capabilities within a single isolated package to save space and simplify assembly.
Replacement Considerations
The DFA50BA80 is a related model within the same series, featuring an 800V rating instead of 1600V. Verify voltage compatibility when considering substitutes. No other specific replacement part numbers are confirmed in the provided documentation.
