G3SBA80-M3/51

Bridge Rectifier Overview

The G3SBA80-M3/51 is a glass passivated single-phase bridge rectifier manufactured by Vishay General Semiconductor. It features an in-line circuit configuration within a GBU case style, designed for surface-mount applications on printed circuit boards. The device supports a maximum repetitive peak reverse voltage of 800 V and delivers a maximum average forward rectified output current of 4.0 A at a case temperature of 100 °C. Electrical characteristics include a maximum instantaneous forward voltage of 1.00 V per diode at 2.0 A and a maximum DC reverse current of 5.0 μA at rated blocking voltage and 25 °C. The component withstands a peak forward surge current of 80 A and operates within a junction and storage temperature range of -55 to +150 °C.

Bridge Rectifier Feature Summary

• Glass passivated junction construction ensures high reliability and stability under demanding conditions.
• High surge current capability allows the device to handle transient load spikes effectively.
• High case dielectric strength provides robust insulation and safety isolation.
• Molding compound meets UL 94 V-0 flammability rating for enhanced fire safety.

Bridge Rectifier Applications

• General purpose AC/DC bridge full wave rectification
• Switching mode power supplies
• Monitor and TV internal power circuits

Bridge Rectifier Procurement Notes

Verify the specific ordering suffix against official documentation to confirm packaging details. The M3 designation indicates halogen-free compliance alongside RoHS standards. Confirm that the delivery mode matches project requirements, as variations exist between tubes and paper trays for this series. Cross-reference the document number 88606 to ensure access to the latest revision of the datasheet before finalizing procurement specifications.

Bridge Rectifier Selection Notes

Select the G3SBA80 variant specifically when the application requires a maximum repetitive peak reverse voltage of 800 V. Ensure the thermal management design accommodates the specified thermal resistance values for both case-mounted and PCB-mounted configurations. Verify that the required forward current does not exceed the 4.0 A limit at elevated case temperatures. Consider the GBU package dimensions for adequate spacing on the printed circuit board layout.

Bridge Rectifier Part Context

This component belongs to the G3SBA series of glass passivated single-phase bridge rectifiers from Vishay General Semiconductor. The series includes variants with different voltage ratings, such as the G3SBA20 and G3SBA60, all sharing the same GBU mechanical case and general electrical architecture. The M3 suffix denotes compliance with halogen-free and RoHS directives, distinguishing it from commercial grade E3 versions.

Bridge Rectifier Replacement Considerations

Direct substitutes within the same family include the G3SBA80-E3/51, which shares identical electrical parameters but differs in material categorization regarding halogen content. Other voltage-rated variants like the G3SBA60 are electrically distinct due to lower reverse voltage ratings and should not be used as direct replacements without re-evaluating circuit stress margins.

Bridge Rectifier FAQ

What is the maximum RMS voltage rating for the G3SBA80?

The maximum RMS voltage (VRWM) for the G3SBA80 is 560 V.

How is polarity indicated on the GBU case?

Polarity is marked on the front side of the case, with the positive lead identified by a beveled corner.

What is the typical thermal resistance from junction to ambient?

The typical thermal resistance from junction to ambient (RθJA) is 26 °C/W when mounted on a PCB with 0.5" x 0.5" copper pads.