3N249

Description：BRIDGE RECT 1P 400V 1.5A KBPM
Series：-

SKU:caf83b8c73c7 Category: Bridge Rectifiers Brand: onsemi

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Product introduction

3N249 is listed in the Bridge Rectifier range at ChipApex. The manufacturer field lists onsemi. Its product description is BRIDGE RECT 1P 400V 1.5A KBPM. Review the specifications below when checking this part for your BOM.

Bridge Rectifier specifications for 3N249

Description：BRIDGE RECT 1P 400V 1.5A KBPM
Series：-
Mfr：onsemi
Package：Tube
Diode Type：Single Phase
Technology：Standard
Voltage - Peak Reverse (Max)：400 V
Current - Average Rectified (Io)：1.5 A
Voltage - Forward (Vf) (Max) @ If：1 V @ 1 A
Current - Reverse Leakage @ Vr：5 µA @ 400 V
Operating Temperature：-55°C ~ 165°C (TJ)
Mounting Type：Through Hole
Package / Case：4-SIP, KBPM
Supplier Device Package：KBPM
Grade：-
Qualification：-

Bridge Rectifier datasheet and documents for 3N249

3N249

Bridge Rectifier Overview

The 3N249 is a single-phase bridge rectifier manufactured by onsemi, formerly Fairchild Semiconductor. It features a peak repetitive reverse voltage of 400V and an average forward rectified current rating of 1.5A. The device utilizes the KBPM package style, providing a compact solution for power conversion applications. This component belongs to the standard diode product category within the company's portfolio.

Bridge Rectifier Feature Summary

Single-phase full-wave rectification capability
Robust thermal performance in surface-mount configuration

Bridge Rectifier Applications

General-purpose AC-DC power supplies
Battery charging circuits
Adapter power modules

Bridge Rectifier Procurement Notes

Verify availability status as this specific part number may be obsolete or discontinued. Confirm technical equivalence with substitute components such as Diodes Incorporated KBP04G if direct sourcing is unavailable. Ensure all replacement parts meet identical electrical specifications for voltage and current ratings before integration into existing designs.

Bridge Rectifier Selection Notes

Select this component for low-power rectification tasks requiring 400V blocking capability. Consider alternative active devices or newer bridge rectifiers if higher efficiency or current capacity is required. Evaluate thermal management requirements based on the KBPM package limitations under continuous load conditions.

Bridge Rectifier Part Context

This component represents legacy silicon technology from the Fairchild Semiconductor era, now managed by onsemi. It serves as a foundational discrete power device for basic rectification needs. The product line reflects historical design standards for general-purpose electronics rather than advanced automotive or industrial grade solutions.