KBPF305G

Overview

The KBPF305G is a single-phase bridge rectifier manufactured by Taiwan Semiconductor Corporation. It features glass passivation for electrode isolation and utilizes silicon epitaxial planar construction. The device is rated for a maximum average forward rectified current of 3.0A at an ambient temperature of 75°C. It supports a repetitive peak reverse voltage of 600V and a non-repetitive peak surge current of 125A under specified conditions. The component is designed for through-hole mounting in the KBP package, ensuring high case dielectric strength and compliance with RoHS directives.

Feature Summary

• Glass passivated electrodes provide stable performance and protection against mechanical stress.
• High surge current capability allows reliable operation during transient load events.
• Low leakage current characteristics contribute to improved efficiency in power conversion circuits.

Applications

• Printed circuit board power supply modules
• General purpose AC to DC conversion
• Battery charging circuits

Procurement Notes

Verify the manufacturer marking on the component body matches Taiwan Semiconductor Corporation specifications. Confirm the package type corresponds to the KBF or KBP series as defined in the official datasheet. Ensure the part number suffix indicates compliance with environmental standards such as RoHS and halogen-free requirements before procurement.

Selection Notes

Select this component when a 3.0A continuous current rating and 600V reverse voltage blocking are required. Ensure the thermal management design accommodates the forward voltage drop at full load. Verify that the PCB footprint matches the specific lead spacing and terminal configuration of the selected package variant.

Part Context

This component belongs to the family of single-phase glass-passivated bridge rectifiers produced by Taiwan Semiconductor. These devices are engineered for general-purpose power applications requiring reliable rectification. The manufacturing process employs silicon epitaxial planar technology to ensure consistent electrical characteristics and long-term durability in various operating environments.

Replacement Considerations

Direct replacements must match the 3.0A current rating and 600V reverse voltage specification. Compatible alternatives include other glass-passivated bridge rectifiers from manufacturers such as Littelfuse or Vishay, provided they share identical pinout configurations and thermal characteristics. Verify package dimensions to ensure physical compatibility.

FAQ

What is the maximum non-repetitive peak surge current?

The device can withstand a non-repetitive peak surge current of 125A at 60Hz for one half-cycle.

Is the component compliant with environmental regulations?

Yes, the KBPF305G is compliant with the RoHS Directive 2011/65/EU and is halogen-free according to IEC 61249-2-21 definitions.

What is the typical reverse leakage current?

The typical reverse leakage current is less than 0.1uA at rated DC blocking voltage.