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MCD700-14IO1W
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Product Detailed Parameters
- Description：SCR THRYRISTOR 1400V WC-500
- Series：-
- Mfr：IXYS
- Package：Tray
- Structure：Series Connection - SCR/Diode
- Number of SCRs, Diodes：1 SCR, 1 Diode
- Voltage - Off State：1.4 kV
- Current - On State (It (AV)) (Max)：700 A
- Current - On State (It (RMS)) (Max)：1331 A
- Current - Non Rep. Surge 50, 60Hz (Itsm)：18200 @ 50MHz
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Chassis Mount
- Package / Case：WC-500
- Voltage - Gate Trigger (Vgt) (Max)：-
- Current - Gate Trigger (Igt) (Max)：-
- Current - Hold (Ih) (Max)：-
- Grade：-
- Qualification：-
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Overview
The IXYS MCD700-14IO1W is a water-cooled thyristor/diode module with a 1400 V repetitive peak off-state voltage (VDRM) and reverse voltage (VRRM). It supports a maximum average on-state current of 700 A at 42°C inlet water temperature. The device features a critical rate of rise of on-state current of 300 A/µs non-repetitive and 150 A/µs repetitive. Peak surge current reaches 16.5 kA, with an I²t capacity of 1.36×10⁶ A²s. Thermal resistance from junction to water is 0.09 K/W. Operating temperature ranges from -40°C to +125°C.
Feature Summary
- Water-cooled base design for high thermal dissipation in demanding power applications
- Integrated anti-parallel diode configuration within the thyristor module
- High surge current capability with robust fusing I²t ratings
- Critical dv/dt rating of 1000 V/µs for stable operation under fast voltage transients
Applications
- Industrial motor drives and frequency converters
- High-power DC transmission and rectification systems
- Resistive and inductive load control circuits
Procurement Notes
Verify the specific ordering code against official IXYS documentation to ensure correct voltage grade and configuration. Confirm cooling system compatibility with the specified water flow requirements. Check for any updated datasheet revisions that may affect mounting force or electrical parameters before finalizing procurement specifications.
Selection Notes
Select this module based on the required 1400 V blocking capability and 700 A continuous current handling. Ensure the heatsink and water cooling system can maintain the inlet temperature below 42°C to achieve rated performance. Verify gate drive circuitry meets the trigger voltage and current requirements for reliable turn-on.
Part Context
This component belongs to the IXYS M##700 series of water-cooled thyristor/diode modules. The 'MCD' prefix indicates a specific configuration within this family. The '14' suffix denotes the 1400 V voltage grade. These modules are designed for high-power industrial applications requiring efficient thermal management and high current density.
Replacement Considerations
Direct replacements must match the 1400 V rating, 700 A current capacity, and water-cooled TO-240AA-like footprint. Verify pinout compatibility and thermal interface dimensions. Consult IXYS technical support for approved cross-reference models if exact part availability is limited.
FAQ
What is the maximum allowable rate of rise of on-state current?
The non-repetitive critical rate of rise of on-state current is 300 A/µs, while the repetitive limit is 150 A/µs.
How does the device handle thermal management?
It uses a water-cooled base with a thermal resistance of 0.09 K/W from junction to water, requiring a minimum flow rate of 4 l/min.
What is the isolation voltage rating?
The isolation voltage is rated at 3500 V AC RMS for a 1-minute test at 50 Hz.
