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Product Detailed Parameters
- Description：TRIAC ALTERNISTOR 600V 25A TO220
- Series：Snubberless™
- Mfr：STMicroelectronics
- Package：Tube
- Triac Type：Alternistor - Snubberless
- Voltage - Off State：600 V
- Current - On State (It (RMS)) (Max)：25 A
- Voltage - Gate Trigger (Vgt) (Max)：1.3 V
- Current - Non Rep. Surge 50, 60Hz (Itsm)：250A, 260A
- Current - Gate Trigger (Igt) (Max)：50 mA
- Current - Hold (Ih) (Max)：75 mA
- Configuration：Single
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TO-220-3
- Supplier Device Package：TO-220
- Grade：-
- Qualification：-
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Overview
The T2550H-600TRG is a Snubberless high temperature Triac manufactured by STMicroelectronics. It features an on-state RMS current rating of 25 A and a repetitive peak reverse voltage of 600 V. The device is designed for general-purpose AC switching applications requiring high commutation capability. Key electrical parameters include a maximum gate trigger current (Igt) of 50 mA, a holding current (Ih) of 60 mA, and a surge current rating of 252 A. It operates within a junction temperature range of -40°C to 150°C.
Feature Summary
- Snubberless design eliminates the need for external RC snubber circuits in many applications.
- High temperature operation capability up to 150°C junction temperature.
- High static and dynamic commutation performance suitable for inductive loads.
Applications
- General purpose mains power AC switching
- Inductive load control
- Resistive load control
Procurement Notes
Verify the specific suffix 'TRG' against the official STMicroelectronics datasheet to confirm tape-and-reel packaging and exact marking codes. Ensure the component matches the T2550H series specifications for 25A/600V ratings. Cross-reference UL file E81734 if safety certification is required for the final assembly.
Selection Notes
Select this component when a 25A triac with 600V blocking voltage is required for high-temperature environments. The Snubberless feature simplifies PCB layout by reducing external components. Verify that the 50mA gate trigger current aligns with the driving circuit capabilities for reliable turn-on under all operating conditions.
Part Context
This part belongs to the T2550H series of Snubberless high temperature Triacs from STMicroelectronics. It shares core electrical characteristics with variants like T2550H-6T and T2550-12I, differing primarily in package type and voltage rating. The H-series designation indicates optimized thermal performance and commutation capabilities compared to standard triacs.
Replacement Considerations
Direct replacements include other T2550H variants such as T2550H-6T or T2550-6T if voltage ratings match. For higher voltage needs, consider the T2550-12 series. Standard 25A triacs like BTA24 or BTA25 may fit electrically but lack the Snubberless optimization and high-temperature commutation guarantees.
