3N257-E4/51

Bridge Rectifier Overview

The Vishay General Semiconductor - Diodes Division 3N257-E4/51 is a glass passivated single-phase bridge rectifier designed for general-purpose AC-to-DC full-wave rectification. It features a maximum repetitive peak reverse voltage of 600 V and an average forward output rectified current of 2.0 A at 55 °C ambient temperature. The device supports a peak forward surge current of 60 A and operates within a junction temperature range of -55 to +165 °C. Electrical characteristics include a maximum instantaneous forward voltage drop of 1.1 V at 3.14 A and a maximum DC reverse current of 5 µA at rated blocking voltage. The component utilizes the KBPM case style with silver-plated leads.

Bridge Rectifier Feature Summary

• Glass passivation provides protection against mechanical stresses and chemical contamination
• High surge current capability ensures reliability during transient load conditions
• High case dielectric strength offers enhanced safety isolation
• Epoxy compound meets UL 94V-0 flammability rating requirements

Bridge Rectifier Applications

• Switching power supply circuits
• Home appliance control boards
• Office equipment power stages
• Telecommunication system interfaces

Bridge Rectifier Procurement Notes

Verify the specific ordering suffix to confirm packaging configuration, as the /51 designation indicates anti-static PVC tray delivery in quantities of 600 units. Confirm RoHS compliance status and lead plating specifications (silver) match the target assembly process requirements before finalizing procurement orders.

Bridge Rectifier Selection Notes

Select this component when a 600 V blocking voltage and 2 A continuous current rating are required for PCB-mounted applications. Ensure the thermal management design accommodates the specified thermal resistance values from junction to ambient and junction to lead environments under expected operating loads.

Bridge Rectifier Part Context

This part belongs to the 3N253 through 3N259 series of glass passivated bridge rectifiers manufactured by Vishay General Semiconductor. All members share identical mechanical dimensions and electrical performance profiles except for their maximum repetitive peak reverse voltage ratings, which vary from 50 V to 1000 V across the product line.

Bridge Rectifier Replacement Considerations

Diodes Incorporated KBP06G serves as a verified alternative within the same family specifications.