DB25-12

Bridge Rectifier Overview

The DB25-12 is a three-phase bridge rectifier manufactured by Diotec Semiconductor. It features a peak repetitive reverse voltage of 1200 V and an average forward current rating of 35 A. The device utilizes standard silicon technology and is housed in a DB-35 package designed for base mounting. Key electrical characteristics include a maximum forward voltage of 1.05 V at 17.5 A and a maximum reverse leakage current of 10 µA at 1200 V. The component operates within a junction temperature range of -50°C to +150°C.

Bridge Rectifier Feature Summary

• Three-phase bridge configuration with six integrated diodes
• High surge current capability for robust operation
• Isolated case design suitable for heatsink mounting

Bridge Rectifier Applications

• Industrial power supplies
• Input stages of frequency inverters
• Electric vehicle charging systems

Bridge Rectifier Procurement Notes

Verify the specific datasheet revision and RoHS compliance status before integration. Confirm mechanical dimensions against the DB-35 package outline to ensure compatibility with existing thermal management solutions. Cross-reference pinout configurations with schematic requirements to prevent installation errors during assembly.

Bridge Rectifier Selection Notes

Select this component when high current handling and elevated reverse voltage ratings are required for three-phase applications. Ensure the thermal design accommodates the specified junction temperature limits under maximum load conditions. Evaluate the forward voltage drop impact on overall system efficiency at the intended operating current levels.

Bridge Rectifier Part Context

This part belongs to the DB series of three-phase bridge rectifiers from Diotec Semiconductor. The series offers various voltage ratings including 800V, 1200V, and 1600V options. The DB25-12 specifically addresses the 1200V requirement within the 35A current class, providing a standardized solution for industrial power conversion tasks.

Bridge Rectifier Replacement Considerations

Compatible alternatives include the DB25-12 from Semikron and Galaxy Semi-Conductor Co Ltd. Verify that substitute parts match the 35A current rating, 1200V voltage rating, and DB-35 package footprint to maintain mechanical and electrical equivalence.