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T6071218B4BT
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Product Detailed Parameters
- Description：SCR 1.2KV 275A TO93
- Series：-
- Mfr：Powerex Inc.
- Package：Bulk
- Voltage - Off State：1.2 kV
- 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)：4500A @ 60Hz
- SCR Type：Standard Recovery
- Operating Temperature：-40°C ~ 125°C
- Grade：-
- Qualification：-
- Mounting Type：Chassis, Stud Mount
- Package / Case：TO-209AB, TO-93-4, Stud
- Supplier Device Package：TO-93
- Voltage - On State (Vtm) (Max)：1.85 V
- Current - On State (It (AV)) (Max)：175 A
- Current - On State (It (RMS)) (Max)：275 A
- Current - Off State (Max)：25 mA
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Overview
The Powerex Inc. T6071218B4BT is a Silicon Controlled Rectifier (SCR) designed for high-power industrial applications. It features a standard recovery characteristic with a maximum repetitive off-state voltage of 600 V and an RMS on-state current rating of 275 A. The device utilizes a TO-209AB stud mount package, facilitating chassis mounting for efficient thermal management. Key electrical parameters include a maximum gate trigger voltage of 3 V and a non-repetitive surge current capacity of 5000 A at 50 Hz or 5500 A at 60 Hz. The operating temperature range spans from -40°C to 125°C, ensuring reliability in demanding environments.
Feature Summary
- High current handling capability with 275 A RMS on-state rating
- Robust surge tolerance supporting 5000 A/5500 A non-repetitive peak currents
- Standard recovery profile suitable for general rectification tasks
- Stud mount construction for secure mechanical attachment and heat dissipation
Applications
- Industrial motor drives and variable frequency drives
- AC power control systems and soft starters
- Welding equipment power stages
- Inverter circuits for renewable energy systems
Procurement Notes
Verify the specific suffix 'BT' against the manufacturer's official datasheet to confirm exact pinout, torque specifications, and insulation class requirements. Ensure that the ordering documentation explicitly references Powerex Inc. as the original manufacturer to avoid counterfeit components. Cross-reference the part number with the latest revision history to confirm compliance with current RoHS standards and material declarations before finalizing procurement orders.
Selection Notes
Select this component when designing circuits requiring robust 600 V blocking capability combined with high continuous current handling. The TO-209AB package necessitates compatible heatsinking solutions and appropriate stud mounting hardware. Evaluate the thermal resistance characteristics against the expected ambient conditions to ensure junction temperatures remain within the specified -40°C to 125°C operational range during peak load scenarios.
Part Context
This SCR belongs to Powerex's standard recovery thyristor family, engineered for heavy-duty power conversion. The TO-209AB form factor is widely recognized in industrial power electronics for its durability and ease of integration into modular assemblies. It serves as a critical switching element in applications where reliable turn-on and turn-off behavior under high stress conditions is paramount.
Replacement Considerations
Consult official cross-reference guides for equivalent SCRs with matching 600 V ratings and comparable 275 A current capabilities. Verify that any substitute maintains identical package dimensions and mounting hole patterns to ensure mechanical compatibility without redesigning the chassis interface.
