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Product Detailed Parameters
- Description：TRIAC ALTERNISTOR 800V 25A TOP3
- Series：-
- Mfr：STMicroelectronics
- Package：Bulk
- Triac Type：Alternistor - Snubberless
- Voltage - Off State：800 V
- 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 TPDV825RG is a bidirectional thyristor (Triac) manufactured by STMicroelectronics, belonging to the TPD series. It utilizes high-performance alternistor technology and is housed in an insulated TOP3 through-hole package. Key electrical parameters include a rated repetitive off-state voltage (VDRM) of 800 V, an on-state voltage of 1.8 V, and a non-repetitive peak on-state current of 390 A. The device operates within a temperature range of -40°C to +125°C and exhibits a maximum off-state leakage current of 20 µA at VDRM.
Feature Summary
- High surge current capability enabled by clip assembly technology
- Insulated package providing enhanced thermal resistance and safety isolation
- Suitable for power control applications involving inductive and resistive loads
Applications
- Three-phase heating systems
- Motor starters
- Induction motor speed control
Procurement Notes
This component is officially listed as End-of-Life (EOL) by the manufacturer. Distribution availability is restricted, with specific notifications indicating limited supply status. Designers should verify current stock levels with authorized distributors and consider obsolescence management strategies when integrating this part into new or existing production lines.
Selection Notes
Selection requires verifying compatibility with the target voltage and current requirements, specifically the 800 V blocking voltage and 390 A surge capacity. The insulated TOP3 package must be evaluated against available board space and thermal dissipation needs. Ensure the gate trigger characteristics align with the driving circuit capabilities for reliable switching under load conditions.
Part Context
The TPDV825RG is part of the TPDxx25 series from STMicroelectronics, which features alternistor technology designed for robust performance in three-phase power grids. This series targets industrial applications requiring high commutation levels and noise immunity, distinguishing it from standard Triacs through superior surge handling and insulation properties.
Replacement Considerations
As an EOL component, direct substitutes may not be available. Engineers should evaluate alternative Triacs from the same family or other manufacturers that match the 800 V rating, 25 A RMS current, and insulated package form factor while ensuring pinout compatibility.
