BU1210-M3/45

Bridge Rectifier Overview

The BU1210-M3/45 is a single-phase bridge rectifier from Vishay General Semiconductor, utilizing enhanced isoCink+ technology. It features a maximum repetitive peak reverse voltage of 1000 V and an average rectified forward current of 12 A at a case temperature of 85 °C. The device supports a non-repetitive peak forward surge current of 150 A and operates within a junction temperature range of -55 to +150 °C. Electrical characteristics include a maximum instantaneous forward voltage of 1.05 V at 6.0 A and a maximum reverse current of 5.0 μA at rated voltage. The component is housed in a thin single-in-line BU package with matte tin-plated leads.

Bridge Rectifier Feature Summary

• Glass passivated chip junction for superior reliability
• Thin single-in-line package design
• Halogen-free, RoHS-compliant commercial grade 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 /45 against official documentation to confirm tube packaging and base quantity. Ensure compliance requirements match the M3 designation for halogen-free status. Confirm thermal management needs based on derating curves provided in the datasheet for your specific ambient or case temperature conditions.

Bridge Rectifier Selection Notes

Select this component when a 1000 V rating is required for AC/DC conversion. Evaluate thermal resistance values (RθJC and RθJA) to determine appropriate heatsinking for sustained 12 A operation. Verify that the BU package dimensions fit the target PCB layout constraints.

Bridge Rectifier Part Context

This part belongs to the BU1206, BU1208, and BU1210 series of enhanced isoCink+ bridge rectifiers. All variants share identical mechanical dimensions and thermal characteristics, differing only in their maximum repetitive peak reverse voltage ratings of 600 V, 800 V, and 1000 V respectively.

Bridge Rectifier Replacement Considerations

Direct substitutes within the same series include BU1206-M3/45 and BU1208-M3/45 if lower voltage ratings are acceptable. Cross-brand replacements must match the 12 A current, 1000 V voltage, and BU package footprint.