GBU10K

Overview

The Diotec Semiconductor GBU10K is a single-phase bridge rectifier rated for an average forward current of 10 A and a peak repetitive reverse voltage of 800 V. It features a maximum forward voltage of 1.1 V at 10 A and supports a peak forward surge current of 220 A under 60 Hz conditions. The device operates within a junction temperature range of -50°C to +150°C, with typical thermal resistances of 2.7 K/W (junction-to-case) and 18 K/W (junction-to-ambient). Packaged in the GBU format, it requires a mounting torque of 9 ± 10% lb.in. (1 ± 10% Nm) and includes recommended protective resistance specifications.

Feature Summary

• High-voltage capability with an 800 V peak repetitive reverse voltage rating
• Robust surge handling with a 220 A peak forward surge current capacity
• Integrated thermal management via low junction-to-case thermal resistance

Applications

• Industrial power supply units requiring high-voltage AC-to-DC conversion
• General-purpose rectification in commercial electronic equipment
• Motor drive systems utilizing standard silicon bridge configurations

Procurement Notes

Verify the specific ordering suffix against official Diotec documentation to confirm exact electrical tolerances and packaging details. Ensure that the procurement channel provides valid RoHS compliance certificates and original manufacturer datasheets. Confirm that the component meets the required industrial reliability standards before finalizing acquisition.

Selection Notes

Select this component when an 800 V blocking voltage and 10 A continuous current are required in a through-hole GBU package. Evaluate the thermal environment to ensure the case temperature remains within limits, considering the specified thermal resistance values. Verify that the application's surge current requirements do not exceed the 220 A limit defined for standard half-sine wave pulses.

Part Context

The GBU10K belongs to the GBU10A through GBU10M series of single-phase bridge rectifiers from Diotec Semiconductor. This series shares a common physical footprint and general performance profile, differentiated primarily by their peak repetitive reverse voltage ratings. The GBU10K specifically targets applications needing 800 V isolation while maintaining the standard 10 A current carrying capacity of the family.

Replacement Considerations

Cross-reference with other manufacturers offering GBU-style bridge rectifiers rated at 800 V and 10 A. Ensure that any substitute matches the pinout configuration, forward voltage characteristics, and thermal resistance parameters to maintain circuit integrity without redesign.