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MCD44-12IO8B
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Product Detailed Parameters
- Description：MOD THYRISTOR DUAL 1200V TO240AA
- Series：-
- Mfr：IXYS
- Package：Box
- Structure：Series Connection - SCR/Diode
- Number of SCRs, Diodes：1 SCR, 1 Diode
- Voltage - Off State：1.2 kV
- Current - On State (It (AV)) (Max)：51 A
- Current - On State (It (RMS)) (Max)：80 A
- Current - Non Rep. Surge 50, 60Hz (Itsm)：1150A, 1230A
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Chassis Mount
- Package / Case：TO-240AA
- Voltage - Gate Trigger (Vgt) (Max)：1.5 V
- Current - Gate Trigger (Igt) (Max)：100 mA
- Current - Hold (Ih) (Max)：200 mA
- Grade：-
- Qualification：-
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Overview
The MCD44-12IO8B is a discrete semiconductor module manufactured by IXYS, belonging to the MCD series. It is constructed using silicon technology and housed in a TO-240AA package with screw mount installation style. The device functions as a phase leg configuration. Key electrical parameters include an output current of 44 A and a reverse voltage rating of 1200 V. The forward voltage (Vf) is specified at 1.74 V. The module operates within a temperature range from -40 C to +100 C. Additional specifications list a gate trigger current (Igt) of 150 mA and a maximum holding current (Ih) of 200 mA.
Feature Summary
- Utilizes silicon-based thyristor/diode technology for high-power switching applications.
- Designed as a phase leg module for integration into power conversion circuits.
- Features a robust TO-240AA package suitable for screw mounting on heat sinks.
Applications
- Industrial motor drives and variable frequency drives.
- High-power DC-DC converters and power supplies.
- Uninterruptible power supply (UPS) systems.
Procurement Notes
Verify the specific suffix IO8B against the manufacturer's latest datasheet to confirm pinout and internal configuration. Check RoHS compliance status via official documentation before procurement. Confirm lead times and packaging quantities directly with authorized distributors or the manufacturer, as these details are subject to change and vary by region.
Selection Notes
Select this component based on the required 44 A continuous current and 1200 V blocking voltage. Ensure the thermal management system can handle the junction temperature limits up to +100 C. Compare the 1.74 V forward voltage drop against efficiency requirements. Verify that the screw mount mechanical interface matches the existing PCB or chassis design constraints.
Part Context
This module is part of the IXYS MCD series of discrete semiconductor modules. The series typically includes various current ratings and voltage levels, such as MCD26, MCD95, and MCD132, designed for different power handling needs. These modules are generally used in industrial power electronics where reliable high-current switching is required.
Replacement Considerations
Direct replacements should be sought from the IXYS MCD series with matching 44 A and 1200 V ratings. Verify compatibility of the TO-240AA footprint and terminal arrangement. Cross-referencing with other manufacturers requires careful evaluation of thermal resistance and gate drive characteristics to ensure circuit stability.
