CDBT-70S-HF

Diode Arrays Overview

The CDBT-70S-HF is a silicon Schottky barrier rectifier manufactured by Comchip Technology, designed for surface-mount applications. It features a single diode configuration housed in an SOT-23-3 package. The device supports a maximum repetitive reverse voltage of 70 V and an average forward current of 70 mA. Key electrical characteristics include a forward voltage of 1 V at the rated current and a low reverse leakage current of 100 nA. It withstands a forward surge current of 100 mA and operates within a junction temperature range up to +125°C with a power dissipation rating of 200 mW.

Diode Arrays Feature Summary

• Utilizes silicon epitaxial planar chip technology for reliable performance
• Features a low profile SOT-23-3 package optimized for small surface mounting
• Provides high efficiency through low forward voltage drop
• Includes guardring structure for enhanced overvoltage protection

Diode Arrays Applications

• Power supply circuits requiring compact rectification
• Reverse polarity protection in low-current systems
• Clamping and snubber applications in consumer electronics
• Free-wheeling diodes in DC-DC converter modules

Diode Arrays Procurement Notes

Verify that the ordering suffix matches the required environmental compliance status, as variations may exist between standard and halogen-free designations. Confirm the specific package variant aligns with the PCB footprint requirements. Ensure the selected distributor provides valid traceability documentation for the manufacturing lot code. Cross-reference the datasheet revision date to confirm the accuracy of the electrical parameters before finalizing the bill of materials.

Diode Arrays Selection Notes

Select this component when board space is limited due to its SOT-23-3 form factor. Choose this part for circuits operating below 70 V reverse bias where low forward voltage is critical for efficiency. Consider the thermal constraints carefully, as the small package limits power dissipation to 200 mW. Ensure the application current does not exceed the 70 mA continuous rating to maintain reliability under all operating conditions.

Diode Arrays Part Context

This component belongs to the CDBT series of Schottky diodes from Comchip Technology. The series focuses on low-voltage, low-current surface-mount solutions. It shares architectural similarities with other small-signal Schottky devices but is distinct in its specific voltage and current ratings. The product line emphasizes miniaturization while maintaining standard switching characteristics for general-purpose rectification tasks.

Diode Arrays Replacement Considerations

The BAS70-04HQ-TP from Micro Commercial Components is identified as a parametric equivalent. Verify pinout compatibility and exact voltage/current margins before substitution. Ensure the replacement package matches the SOT-23-3 footprint dimensions precisely.