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MCD44-16IO1B
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Product Detailed Parameters
- Description：MOD THYRISTOR DUAL 1600V TO240AA
- Series：-
- Mfr：IXYS
- Package：Box
- Structure：Series Connection - SCR/Diode
- Number of SCRs, Diodes：1 SCR, 1 Diode
- Voltage - Off State：1.6 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 IXYS MCD44-16IO1B is a Silicon Controlled Rectifier (SCR) module designed for high-power industrial applications. It features an RMS on-state current of 80 A and supports a peak non-repetitive surge current of up to 49,000 A. The device handles a repetitive peak reverse voltage of 1600 V with a maximum gate trigger current of 100 mA. Housed in a TO-240AA flange-mount package with five terminals, it operates at temperatures up to 125°C. Key electrical characteristics include a holding current of 200 mA and a peak on-state voltage of 1.57 V.
Feature Summary
- Single element configuration with built-in diode integration
- Isolated case connection for secure mounting
- Fast connection terminal design for efficient assembly
Applications
- Industrial motor drives
- Power supply systems
- Welding equipment
Procurement Notes
Verify the manufacturer part number against official IXYS or Littelfuse documentation to ensure authenticity. Confirm that the specific suffix matches the required electrical ratings. Check for RoHS compliance status as indicated in the datasheet. Ensure the TO-240AA package dimensions align with your thermal management design requirements before finalizing procurement.
Selection Notes
Select this component when an 80 A RMS current rating and 1600 V blocking voltage are required. The TO-240AA package suits panel-mounted installations needing isolated thermal paths. Consider the 100 mA gate trigger requirement for driver circuit compatibility. Evaluate the 125°C maximum operating temperature against your system's ambient conditions and cooling strategy.
Part Context
This module belongs to the IXYS MCD series of discrete semiconductor modules. The series typically includes various current and voltage ratings within the same TO-240AA form factor. Similar parts like the MCD56-16IO1B offer higher current capacities, while lower-rated variants exist for reduced power applications. The numbering convention generally reflects the RMS current rating followed by the voltage class.
Replacement Considerations
Direct substitutes may include other IXYS SCR modules with identical 80 A/1600 V ratings in the TO-240AA package. Verify pinout compatibility, specifically the G-GR and A-K-AK terminal assignments. Cross-reference with Littelfuse equivalents if available, ensuring all electrical parameters match or exceed the original specifications.
