ACDBC540-HF

Overview

The ACDBC540-HF is a surface-mount Schottky barrier rectifier manufactured by Comchip Technology. It features a single diode configuration in an SMC (DO-214AB) package. Key electrical specifications include a maximum repetitive peak reverse voltage of 40V and an average forward rectified current of 5A. The device exhibits a maximum DC blocking voltage of 40V, a maximum RMS voltage of 28V, and a peak forward surge current capability of 130A. At 25°C ambient temperature, the maximum instantaneous forward voltage is 900mV at 5A, with a maximum reverse leakage current of 500µA at 40V. The junction operating temperature range spans from -55°C to +175°C.

Feature Summary

• Utilizes silicon epitaxial planar chip technology for high-speed switching performance.
• Incorporates guardring design for enhanced overvoltage protection stability.
• Features low forward voltage drop to minimize power loss and improve efficiency.
• Constructed with UL94-V0 rated flame retardant epoxy for safety compliance.

Applications

• Low profile surface mount applications requiring optimized board space utilization.
• High efficiency power supply circuits utilizing fast recovery characteristics.
• General purpose rectification in consumer electronics and industrial equipment.

Procurement Notes

Verify the specific ordering suffix against official Comchip Technology documentation to ensure correct packaging and variant selection. Confirm RoHS compliance status and environmental certifications prior to integration. Cross-reference datasheet revision dates to validate parameter accuracy. Ensure component authenticity through authorized distribution channels only.

Selection Notes

Select this component when a 5A current rating and 40V reverse voltage withstand capability are required in an SMC package. Consider the 175°C junction temperature limit for high-thermal environments. Evaluate the 900mV forward voltage drop against system efficiency targets. Compare surge current ratings against expected transient load conditions during circuit design.

Part Context

This part belongs to the CDBC series of SMD Schottky Barrier Rectifiers from Comchip Technology. The series offers reverse voltages ranging from 20V to 200V with forward currents up to 5.0 Amps. These devices are designed for general-purpose rectification applications where low power loss and high efficiency are critical design parameters.

Replacement Considerations

Publicly confirmed substitute part numbers for ACDBC540-HF were not identified in the provided source material. Verify compatibility with equivalent SMC packaged Schottky diodes having matching 5A/40V specifications before substitution.