Product Description
The Eupec TT250N-12-679171-01 (now manufactured under the Infineon brand) is a high-performance phase control thyristor "Powerblock" module designed for heavy-duty industrial switching. This module features two SCRs (Silicon Controlled Rectifiers) connected in series, providing a robust solution for power conversion, motor control, and soft starter applications.
Engineered with pressure contact technology, the TT250N-12 ensures superior reliability and thermal cycling capability. Its electrically insulated baseplate simplifies thermal management, allowing for direct mounting to heatsinks in high-density power cabinets.
Technical Specifications
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Manufacturer: Eupec / Infineon
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Part Number: TT250N-12-679171-01
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Product Type: Phase Control Thyristor (SCR) Module
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Configuration: Dual SCR (Series Connected)
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Continuous Current (Itavm): 250A (at Tc = 85°C)
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Peak Reverse Voltage (Vrrm): 1200V
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Surge Current (Itsm): 9100A
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Baseplate Width: 50 mm (Electrically insulated)
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Isolation Voltage (Visol): 3000V AC (1 minute)
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Housing Style: Industrial Standard Powerblock
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Weight: Approximately 1.75 lbs (800 g)
Key Features & Benefits
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Pressure Contact Technology: Provides significantly higher reliability and increased resistance to thermal stress compared to standard soldered modules.
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Insulated Baseplate: Simplifies system design by allowing multiple modules to be mounted on a single common heatsink without the need for additional isolation pads.
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Industrial Standard Housing: Ensures easy mechanical integration into existing power control systems and legacy industrial equipment.
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Extreme Surge Capability: With a 9100A surge rating, this module is built to withstand the temporary overcurrent events common in heavy industrial startups and fault conditions.
Typical Applications
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Industrial Soft Starters: Provides smooth acceleration and torque control for large AC motors in manufacturing.
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Power Controllers: Used for precise voltage regulation in industrial furnaces, ovens, and large heating elements.
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High-Current Power Supplies: Ideal for industrial rectifiers, battery chargers, and large-scale UPS systems.
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Static Switching: Reliable electronic switching for crowbar circuits and high-speed AC/DC power converters.
