STMicroelectronics

T2550-12G

T2550-12G Description

The T2550-12G from STMicroelectronics is a high-performance Snubberless™ TRIAC designed for demanding alternating current (AC) switching applications. With a robust 1.2 kV off-state voltage and a 25 A RMS on-state current rating, this device excels in high-voltage, high-current environments. Packaged in a D2PAK surface-mount form factor, it combines power density with thermal efficiency, making it ideal for compact designs. The TRIAC is RoHS3 compliant and REACH unaffected, ensuring adherence to environmental and safety standards. Its low gate trigger current (50 mA max) and 1.3 V gate trigger voltage enhance control precision while minimizing drive requirements.

T2550-12G Features

• High Voltage Handling: Supports 1.2 kV off-state voltage, suitable for industrial and utility-scale applications.
• Snubberless™ Technology: Eliminates the need for external snubber circuits, reducing component count and board space.
• High Surge Current Tolerance: Withstands 240A (50Hz) and 252A (60Hz) non-repetitive surge currents, ensuring reliability under transient conditions.
• Low Trigger Requirements: 50 mA max gate trigger current (Igt) and 1.3 V max gate trigger voltage (Vgt) simplify drive circuitry.
• Robust Packaging: D2PAK surface-mount package offers excellent thermal performance and mechanical durability.
• Compliance: ROHS3, REACH, and EAR99 certified, ensuring global regulatory compatibility.

T2550-12G Applications

The T2550-12G is optimized for high-power AC switching, including:

• Industrial Motor Controls: Reliable performance in motor drives, soft starters, and contactors.
• Lighting Systems: Dimmable LED drivers and high-intensity discharge (HID) lighting control.
• Home Appliances: AC power regulation in washing machines, air conditioners, and heaters.
• Power Tools: Robust switching for drills, saws, and other heavy-duty equipment.
• Energy Management: Solid-state relays (SSRs) and smart grid applications requiring high-voltage isolation.

Conclusion of T2550-12G

The T2550-12G stands out as a high-reliability TRIAC for 1.2 kV AC switching, combining Snubberless™ efficiency with superior surge tolerance. Its low trigger requirements and D2PAK thermal performance make it a top choice for space-constrained, high-power designs. Whether in industrial automation, consumer appliances, or energy systems, this TRIAC delivers durability, simplicity, and compliance—making it a versatile solution for modern AC power control challenges.