ACDBCT340-HF

Overview

The ACDBCT340-HF is a surface-mount Schottky barrier rectifier manufactured by Comchip Technology. It features a single diode configuration housed in a 3220/DO-214AB package. The device supports an average forward current of 3A and a maximum repetitive reverse voltage of 40V. Key electrical parameters include a forward voltage of 500mV at 3A, a reverse leakage current of 500µA at 40V, and a junction capacitance of 180pF at 4V and 1MHz. It operates within a temperature range of -55°C to +125°C.

Feature Summary

• Ultra-high-speed switching capability for efficient power conversion
• Guarding functionality designed for overvoltage protection
• Low forward voltage drop contributing to high efficiency and low power loss
• High surge current capability ensuring robust performance under transient conditions

Applications

• Automotive electronics requiring AEC-Q101 qualification
• DC-DC converter circuits
• Free-wheeling applications in inductive load management
• Polarity protection in power supply inputs

Procurement Notes

Verify the specific ordering suffix and packaging format against the manufacturer's latest documentation before procurement. Confirm that the component meets RoHS3 compliance requirements for your assembly process. Check the part status carefully as this item may be subject to discontinuation notices or product change notifications. Ensure the selected package variant matches your PCB footprint design specifications exactly.

Selection Notes

Select this component when automotive-grade reliability is required alongside high-current handling capabilities. The DO-214AB package offers suitable thermal dissipation for 3A continuous operation. Consider the 40V rating margin relative to your system's peak reverse voltage. Evaluate the 500mV forward voltage impact on overall system efficiency compared to lower-voltage alternatives if operating at reduced currents.

Part Context

This device belongs to the ACDBCT3 Series of Schottky diodes from Comchip Technology. The series is characterized by silicon epitaxial planar chip construction with metal-silicon junctions. These rectifiers are engineered for low power loss and high efficiency in compact surface-mount designs suitable for modern electronic assemblies.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify pinout compatibility and thermal characteristics if considering alternative manufacturers' equivalents.