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DFA75BA160
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Product Detailed Parameters
- Description：DIODE MODULE 1600V 75A
- 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)：75 A
- Current - On State (It (RMS)) (Max)：-
- Current - Non Rep. Surge 50, 60Hz (Itsm)：910A, 1000A
- Operating Temperature：-40°C ~ 135°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 DFA75BA160 is a three-phase diode-thyristor power module designed for high-current circuit applications. It integrates six diodes in a three-phase bridge configuration with a single thyristor connected to the direct current line. The device features an isolated structure between electrode terminals and the mounting base, allowing multiple modules to be mounted on the same heatsink fin. Key electrical ratings include a repetitive peak reverse voltage of 1600 V for the diodes and a repetitive peak off-state voltage of 1600 V for the thyristor. The maximum DC output current is 75 A at a case temperature of 101°C, while the average on-state current for the thyristor is 75 A at 99°C. The surge forward current reaches 1000 A (non-repetitive, 50/60 Hz), and the operating junction temperature range spans from -40°C to +150°C.
Feature Summary
- Combines a three-phase diode bridge and a DC-line thyristor within a single compact isolated module.
- Provides electrical isolation between electrode terminals and the mounting base for flexible heatsink integration.
- Engineered for robust performance in high-current circuits with defined thermal impedance characteristics.
Applications
- Inverters for AC or DC motor control systems.
- Current stabilized power supplies.
- Switching power supply designs.
Procurement Notes
Verify component authenticity by cross-referencing the manufacturer part number DFA75BA160 with official SanRex documentation. Confirm that the specific revision matches the required electrical parameters, particularly the 1600V rating. Ensure that handling procedures adhere to electrostatic discharge precautions appropriate for silicon power modules during installation and storage.
Selection Notes
Select this module when a combined three-phase rectification and controlled DC output is required in a single package. The 1600V rating suits high-voltage industrial applications. Verify that the thermal management system can maintain the case temperature within limits to support the specified 75A continuous current. Consider the isolation voltage of 2500 V RMS when designing safety barriers between the module base and other circuit components.
Part Context
This component belongs to the SanRex DFA series of three-phase diode-thyristor modules. The series includes variants with different voltage ratings, such as the DFA75BA80 which offers an 800V rating. These modules are engineered for industrial power electronics where space efficiency and high current capacity are critical design constraints.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Designers should consult official SanRex documentation or authorized distributors for validated equivalent components that meet identical electrical and mechanical specifications.
