KBL407G

Overview

The KBL407G is a single-phase bridge rectifier manufactured by Taiwan Semiconductor Corporation. It utilizes glass passivated chip junctions for high reliability and low power loss. The device features a KBL surface-mount package with four pins, designed for through-hole mounting applications. Key electrical parameters include a maximum repetitive peak reverse voltage (Vrrm) of 700 V and an average forward rectified current (Io) of 4 A. The component supports a peak non-repetitive forward surge current (Ifsm) of 150 A. Operating temperatures range from -55°C to +150°C junction temperature, with a maximum forward voltage drop of 1.1 V at rated current.

Feature Summary

• Glass passivated chip junction construction ensures high reliability and long-term stability under varying thermal conditions.
• Low forward voltage drop characteristics contribute to reduced power dissipation and improved overall system efficiency.
• High surge current capability allows the device to withstand transient overcurrent events without failure.

Applications

• General-purpose AC to DC conversion in power supply circuits
• Battery charging systems requiring robust rectification
• DC power supplies for consumer electronics

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm packaging type and compliance status. Ensure the component meets RoHS directives if required by your design specifications. Cross-reference the part number with authorized distributors to confirm availability and authenticity before procurement.

Selection Notes

Select this component when a 700 V reverse voltage rating and 4 A continuous current are required in a compact KBL package. Consider the thermal management requirements given the 150°C junction temperature limit. Compare forward voltage drop specifications against alternative manufacturers to ensure compatibility with efficiency targets.

Part Context

The KBL407G belongs to the KBL4 series of bridge rectifiers from Taiwan Semiconductor. This series is characterized by its glass passivation technology and standardized KBL footprint, facilitating easy integration into existing PCB layouts. It serves as a high-voltage variant within the family, offering higher blocking voltage compared to lower-rated counterparts like the KBL402G or KBL404G.

Replacement Considerations

Compatible substitutes include KBL407G from other manufacturers such as Comchip Technology or Sensitron, provided they match the 700 V/4 A specifications and KBL package dimensions. Verify pinout compatibility and thermal characteristics before substitution.