ACDBQC140L-HF

Single Diodes Overview

The ACDBQC140L-HF is an automotive-grade Schottky barrier rectifier manufactured by Comchip Technology. It features a single silicon element with a maximum repetitive peak reverse voltage (Vrrm) of 40 V and an average forward current (If) of 1 A. The device exhibits a maximum forward voltage drop (Vf) of 500 mV at rated current and supports a forward surge current (Ifsm) of 9 A. Reverse leakage current (Ir) is specified at 40 µA. It operates within a junction temperature range of -55 °C to +150 °C and is housed in the SOD-923F package, also identified as 0402 or DFN1006.

Single Diodes Feature Summary

• Automotive-grade reliability for vehicle electronic systems
• Low forward voltage drop for high efficiency
• High thermal stability up to 150 °C
• Guardring structure for overvoltage protection

Single Diodes Applications

• Automotive power supply circuits
• DC-DC converter input/output stages
• Reverse polarity protection modules
• Clamping diodes in automotive control units

Single Diodes Procurement Notes

Verify the specific ordering suffix and marking code against the manufacturer's latest datasheet to ensure compliance with automotive quality standards. Confirm that the component meets the required AEC-Q101 qualification if mandated by the design specification. Cross-reference the package dimensions with the PCB footprint library to prevent assembly errors during surface mount placement.

Single Diodes Selection Notes

Select this component when designing for automotive environments requiring robust reverse blocking capabilities and low conduction losses. The 40 V rating suits 12 V nominal automotive systems with transient voltage spikes. Ensure the thermal management strategy accommodates the 150 °C maximum junction temperature limit under continuous load conditions.

Single Diodes Part Context

This part belongs to Comchip Technology's automotive Schottky diode series, designed specifically for harsh operating environments. It utilizes silicon epitaxial planar chip technology to achieve fast switching speeds and high surge current capability. The SOD-923F package allows for compact board space optimization while maintaining electrical performance suitable for modern automotive electronics.

Single Diodes Replacement Considerations

Check for direct substitutes such as CDBQC140L-HF for non-automotive applications or other 40V 1A Schottky diodes in SOD-923F packages from different manufacturers. Verify pinout compatibility and thermal characteristics before substitution.

Single Diodes FAQ

What is the marking code on the ACDBQC140L-HF?

The device is marked with '14L'.

Is the ACDBQC140L-HF RoHS compliant?

Yes, the component is RoHS compliant and halogen-free.