GBU12K-T

Overview

The GBU12K-T is a single-phase silicon bridge rectifier manufactured by Diotec Semiconductor, designed for through-hole mounting in the GBU-4 package. It features a maximum average forward rectified current of 12 A and a repetitive peak reverse voltage of 800 V. The device exhibits a typical forward voltage drop of 1.1 V at rated current and supports a maximum surge current of 270 A. Operating reliably within a temperature range of -50°C to +150°C, it incorporates an internal protection mechanism against reverse assembly. The component utilizes standard solder pin termination and is supplied in bulk packaging.

Feature Summary

• Integrated protection against reverse assembly to prevent circuit damage during incorrect installation
• High thermal stability enabling operation up to 150°C junction temperature
• Robust surge current handling capability for transient load conditions

Applications

• AC-DC power supply units requiring high reliability
• Battery charging circuits for industrial equipment
• General-purpose rectification in consumer electronics

Procurement Notes

Verify the specific suffix 'T' indicates tape-and-reel packaging rather than bulk, as datasheets may list standard bulk quantities. Confirm RoHS compliance status directly with the manufacturer or authorized distributor documentation before finalizing procurement specifications.

Selection Notes

Select this component when an 800V rating is required for single-phase bridge applications. Ensure the PCB layout accommodates the GBU-4 footprint dimensions of approximately 21.5 mm by 3.4 mm. Verify that the thermal management design supports the 12 A continuous current without exceeding the maximum operating temperature limit.

Part Context

This part belongs to the GBU series of silicon bridge rectifiers from Diotec Semiconductor. The series includes variants with different voltage ratings such as GBU12A (50V), GBU12B (100V), and GBU12D (200V). All share the same 12 A current rating and physical package, differing primarily in their peak reverse voltage capabilities.

Replacement Considerations

Direct substitutes include other manufacturers' GBU12K equivalents. Cross-reference electrical parameters such as forward voltage and leakage current to ensure compatibility. Verify that alternative components also feature reverse assembly protection if this function is critical to the design.