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T700043504BY
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Product Detailed Parameters
- Description：SCR 400V 550A TO209
- Series：-
- Mfr：Powerex Inc.
- Package：Bulk
- Voltage - Off State：400 V
- Voltage - Gate Trigger (Vgt) (Max)：3 V
- Current - Gate Trigger (Igt) (Max)：150 mA
- Current - Hold (Ih) (Max)：-
- Current - Non Rep. Surge 50, 60Hz (Itsm)：9100A, 10000A
- SCR Type：Standard Recovery
- Operating Temperature：-40°C ~ 125°C
- Grade：-
- Qualification：-
- Mounting Type：Chassis, Stud Mount
- Package / Case：TO-209 Variation
- Supplier Device Package：TO-209 Variation
- Voltage - On State (Vtm) (Max)：1.4 V
- Current - On State (It (AV)) (Max)：350 A
- Current - On State (It (RMS)) (Max)：550 A
- Current - Off State (Max)：30 mA
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Overview
The T700043504BY is a standard recovery Silicon Controlled Rectifier (SCR) manufactured by Powerex Inc. It utilizes a TO-209 variant package designed for base or stud mounting. The device supports an average on-state current of 250 A and withstands a maximum off-state voltage of 400 V. Gate triggering specifications include a maximum gate trigger current of 150 mA and a maximum gate trigger voltage of 3 V.
Feature Summary
- Standard recovery type construction
- Base or stud mounting capability
Applications
- Industrial power control systems
- High-current rectification circuits
- Motor drive applications
Procurement Notes
Verify the specific suffix BY against official Powerex documentation to confirm exact pinout and thermal characteristics. Ensure the TO-209 variant package matches the mechanical constraints of the intended heatsink interface. Confirm that the 400 V rating aligns with the peak inverse voltage requirements of the target circuit design.
Selection Notes
Select this component when a robust, high-current SCR is required for industrial environments. The TO-209 variant package facilitates secure mechanical attachment to cooling structures. Verify that the 250 A continuous current rating meets the load demands without exceeding thermal limits under worst-case operating conditions.
Part Context
This part belongs to the Powerex SCR portfolio, focusing on high-power discrete semiconductor solutions. The manufacturer specializes in rugged power electronics components designed for demanding industrial and utility applications. The TO-209 variant represents a specific mechanical form factor within their broader catalog of thyristor devices.
Replacement Considerations
Consult official cross-reference lists for verified substitutes. Ensure any replacement maintains identical voltage, current, and package specifications.
