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Product Detailed Parameters
- Description：TRIAC ALTERNISTOR 1.2KV 25A TOP3
- Series：-
- Mfr：STMicroelectronics
- Package：Tube
- Triac Type：Alternistor - Snubberless
- Voltage - Off State：1.2 kV
- Current - On State (It (RMS)) (Max)：25 A
- Voltage - Gate Trigger (Vgt) (Max)：1.5 V
- Current - Non Rep. Surge 50, 60Hz (Itsm)：230A, 250A
- Current - Gate Trigger (Igt) (Max)：150 mA
- Current - Hold (Ih) (Max)：50 mA
- Configuration：Single
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TOP-3
- Supplier Device Package：TOP3
- Grade：-
- Qualification：-
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Overview
The TPDV1225RG is a 25 A high voltage Triac manufactured by STMicroelectronics, utilizing alternistor technology for superior performance. It features a maximum blocking voltage of 1200 V and operates within a junction temperature range of -40 °C to +125 °C. The device is housed in an insulated TO-220AB package providing 2500 V rms isolation. Key electrical parameters include a peak on-state voltage of 1.8 V, a gate trigger current of 150 mA, and a surge current rating of 390 A. It offers high commutation levels up to 88 A/ms at 10 V/μs and noise immunity of 2 kV/μs.
Feature Summary
- Alternistor technology provides very high commutation levels and high surge current capability.
- Insulated TO-220AB package ensures 2500 V rms isolation with UL recognition.
- High noise immunity rated at 2 kV/μs for robust operation.
Applications
- Power control for inductive and resistive loads such as motors and transformers.
- Three-phase power grid applications including heating systems.
- Motor starters and induction motor speed control, particularly for fans.
Procurement Notes
Verify the specific part number TPDV1225RG against official STMicroelectronics documentation to confirm technical specifications. Ensure that the component meets the required insulation voltage and thermal ratings for the intended application environment before procurement.
Selection Notes
Select this component for applications requiring high commutation capability and robust noise immunity. The insulated package is suitable for designs needing galvanic isolation. Verify that the 150 mA gate trigger current aligns with the driving circuit capabilities.
Part Context
The TPDV1225RG belongs to the TPDVxx25 series from STMicroelectronics. This series is designed for general-purpose AC switching where high static and dynamic commutation are critical. It complements other thyristor and triac offerings in the manufacturer's portfolio for power control.
Replacement Considerations
Consult official substitution lists or datasheets for compatible alternatives. Ensure any replacement matches the 25 A current rating, 1200 V blocking voltage, and TO-220AB insulated package form factor.
FAQ
What technology does the TPDV1225RG utilize?
It utilizes high-performance alternistor technology, which provides very high commutation levels and high surge current capability.
What is the insulation voltage rating?
The device features an insulated package with an insulation voltage of 2500 V rms, recognized by UL under file E81734.
What is the maximum gate trigger current?
The maximum gate trigger current (Igt) is specified as 150 mA.
