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Product Detailed Parameters
- Description：DIODE MOD GP 1800V 95A TO-240AA
- Series：-
- Mfr：IXYS
- Package：Box
- Diode Configuration：1 Pair Series Connection
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：1800 V
- Current - Average Rectified (Io) (per Diode)：95A
- Voltage - Forward (Vf) (Max) @ If：1.48 V @ 200 A
- Speed：Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：10 mA @ 1800 V
- Operating Temperature - Junction：-40°C ~ 150°C
- Mounting Type：Chassis Mount
- Package / Case：TO-240AA
- Supplier Device Package：TO-240AA
- Grade：-
- Qualification：-
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Overview
The IXYS MDD56-18N1B is a silicon single diode module from the MDD series, housed in a TO-240AA package with screw mount installation. It features a maximum repetitive reverse voltage of 1800V and a continuous forward current rating of 71A. The device exhibits a maximum forward voltage drop of 1.48V at rated current. Operating temperature range spans from -40°C to +150°C junction temperature.
Feature Summary
- High voltage blocking capability suitable for demanding power conversion environments
- Robust thermal management design integrated within the TO-240AA semiconductor module structure
- Standardized screw-mount configuration ensuring secure mechanical attachment to heatsinks
Applications
- Industrial motor drive rectification circuits
- High-power DC power supply input stages
- Welding equipment power conversion systems
Procurement Notes
Verify component authenticity through official IXYS channels or authorized distributors. Confirm lot date codes and packaging integrity upon receipt. Cross-reference datasheet specifications against application requirements to ensure compatibility with system voltage and current limits. Request test reports if critical reliability standards apply to the specific deployment environment.
Selection Notes
Select this module when applications require high reverse voltage tolerance combined with substantial continuous current handling. The TO-240AA form factor facilitates direct mounting on standard heatsink interfaces. Evaluate thermal resistance characteristics against ambient conditions to determine adequate cooling solutions for maintaining junction temperatures within safe operational boundaries during peak load scenarios.
Part Context
This component belongs to the IXYS MDD series of general-purpose rectifier modules. These devices are engineered for industrial power electronics applications requiring reliable high-voltage rectification. The series offers various current and voltage ratings within standardized packages to simplify design integration across different power levels and system architectures.
Replacement Considerations
Direct substitutes include MDD56-12N1B (1200V variant) and MDD56-14N1B (1400V variant). Higher current alternatives in the same package include MDD72 series modules. Ensure replacement parts match the original voltage rating and thermal performance characteristics.
