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T820049004DH
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Product Detailed Parameters
- Description：SCR PHASE CTRL MOD 400V 900A
- Series：-
- Mfr：Powerex Inc.
- Package：Bulk
- Structure：Single
- Number of SCRs, Diodes：1 SCR
- Voltage - Off State：400 V
- Current - On State (It (AV)) (Max)：900 A
- Current - On State (It (RMS)) (Max)：1410 A
- Current - Non Rep. Surge 50, 60Hz (Itsm)：13700A, 15000A
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Clamp On
- Package / Case：TO-200AC, B-PUK
- Voltage - Gate Trigger (Vgt) (Max)：3 V
- Current - Gate Trigger (Igt) (Max)：150 mA
- Current - Hold (Ih) (Max)：-
- Grade：-
- Qualification：-
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Overview
The T820049004DH is a Silicon Controlled Rectifier (SCR) manufactured by Powerex Inc. It features a single element configuration housed in a disk button package with three pins. The device has a maximum RMS on-state current of 1413 A and a repetitive peak reverse voltage rating of 900 V. It utilizes a ceramic, metal-sealed cofired body material with a round shape and end terminal position. The component is designed for high-power applications requiring robust thyristor performance.
Feature Summary
- High current handling capability with an RMS on-state current rating of 1413 A
- Robust insulation and sealing using ceramic, metal-sealed cofired construction
- Single element design optimized for discrete switching applications
Applications
- Industrial power control systems
- High-voltage DC transmission components
- Motor drive circuits
Procurement Notes
Verify the specific datasheet version for the T820049004DH to confirm exact gate trigger parameters and thermal characteristics. Ensure compatibility with mounting hardware for the disk button package. Cross-reference with official Powerex documentation to validate electrical ratings against system requirements before integration.
Selection Notes
Select this component for applications requiring high RMS current capacity and reliable operation at 900 V reverse voltage. The disk button form factor suits direct cooling methods. Consider the single-element configuration for simple circuit topologies where complex multi-device arrangements are unnecessary.
Part Context
This part belongs to the Powerex T82 series of silicon controlled rectifiers. These devices are engineered for demanding power electronics environments. The series offers various voltage ratings while maintaining consistent current handling and mechanical packaging standards across different models within the family.
Replacement Considerations
Check for equivalent parts with matching 1413 A RMS current and 900 V blocking voltage. Verify pinout compatibility for the three-pin disk button configuration. Confirm that alternative manufacturers offer similar ceramic-metal sealed packages for direct replacement.
