DB25-16

Bridge Rectifier Overview

The DB25-16 is a three-phase bridge rectifier manufactured by Diotec Semiconductor. It features a silicon construction with a repetitive peak reverse voltage of 1600 V and an average forward rectified current of 25 A. The device utilizes a DBI-A isolated case package, suitable for through-hole mounting. Key electrical characteristics include a maximum forward voltage of 1.35 V at 12.5 A and a maximum reverse leakage current of 10 µA at 1600 V. The component operates within a junction temperature range of -50°C to +175°C and supports a forward surge current of 390 A.

Bridge Rectifier Feature Summary

• High-admissible repetitive reverse voltage capability up to 1600 V
• Single inline isolated case design facilitating easy PCB assembly
• Operation flexibility allowing freestanding or heatsink mounting configurations
• Full isolated case outline ensuring sufficient clearance and creepage distances

Bridge Rectifier Applications

• Industrial power supplies
• Input stages of frequency inverters
• Electric vehicle chargers
• Electric drives and generators

Bridge Rectifier Procurement Notes

Verify the specific datasheet version when sourcing the DB25-16 to ensure alignment with current manufacturing standards. Confirm that the ordered component matches the DBI-A package outline and terminal configuration required for the target application. Cross-reference the manufacturer part number against authorized distributor listings to guarantee authenticity and traceability of the semiconductor batch.

Bridge Rectifier Selection Notes

Select the DB25-16 for applications requiring robust three-phase rectification with high voltage isolation. Ensure the thermal management strategy accounts for the nominal 4 A output in freestanding mode versus 25 A on a heatsink. Verify that the system's peak reverse voltage does not exceed the 1600 V rating and that surge currents remain within the specified limits for single half-sine waves.

Bridge Rectifier Part Context

This component belongs to the Diotec DBI25 series of three-phase diode bridge rectifiers. The series is characterized by six diodes in a bridge configuration housed in a single screw assembly. The DBI25 family offers various voltage ratings, including 800 V, 1200 V, 1600 V, and 1800 V options, providing versatility for different industrial power conversion requirements.

Bridge Rectifier Replacement Considerations

Cross-reference with other manufacturers offering 25 A, 1600 V three-phase bridges in similar isolated packages. Verify pinout compatibility and thermal resistance values before substituting. Ensure the alternative component meets the same junction temperature and surge current specifications.