BU25H08-E3/A

Bridge Rectifier Overview

The BU25H08-E3/A is a single-phase bridge rectifier from Vishay General Semiconductor, utilizing isoCink+ technology. It features a maximum repetitive peak reverse voltage of 800 V and an average forward current rating of 25 A at a case temperature of 60 °C. The device operates within a junction temperature range of -55 to +175 °C. Electrical characteristics include a typical forward voltage of 0.97 V at 12.5 A and a maximum reverse current of 5 μA at rated voltage. The component is housed in a BU-4 through-hole package with solder pin termination.

Bridge Rectifier Feature Summary

• Glass passivated chip junction for enhanced reliability
• Thin single in-line package design for space efficiency
• Superior thermal conductivity via isoCink+ construction
• UL recognition file number E312394

Bridge Rectifier Applications

• AC/DC bridge full wave rectification for switching power supplies
• Home appliances
• White-goods applications

Bridge Rectifier Procurement Notes

Verify the specific ordering suffix against official documentation to confirm compliance status. The base part number indicates industrial grade classification. Confirm RoHS compliance details directly from the manufacturer's datasheet or product specification sheet before finalizing procurement orders.

Bridge Rectifier Selection Notes

Select this component based on the required 800 V reverse voltage rating and 25 A average current capacity. Ensure the application allows for adequate heatsinking to maintain case temperatures within limits for full current derating. Verify that the BU-4 package dimensions fit the target PCB layout constraints.

Bridge Rectifier Part Context

This component belongs to the BU25H06 and BU25H08 series of Enhanced isoCink+ Bridge Rectifiers manufactured by Vishay General Semiconductor. The series shares identical mechanical and thermal characteristics, differing primarily in their maximum repetitive peak reverse voltage ratings.

Bridge Rectifier Replacement Considerations

BU25H06-E3/A serves as a lower voltage variant within the same series. Cross-referencing requires verifying that the system voltage does not exceed the replacement's 600 V rating while maintaining compatibility with the BU-4 package and electrical parameters.

Bridge Rectifier FAQ

What is the maximum non-repetitive peak forward surge current?

The maximum non-repetitive peak forward surge current (IFSM) is 300 A for a single 8.3 ms sine-wave pulse.

How is polarity indicated on the device?

Polarity is marked on the body of the component, with the positive lead identified by a beveled corner.

What is the typical junction capacitance per diode?

The typical junction capacitance per diode is 125 pF, measured at 4.0 V and 1 MHz.