CDLL4130/TR

Single Zener Diodes Overview

The CDLL4130/TR is a single Zener diode manufactured by Microchip Technology, designed for surface-mount applications in the DO-213AA (SOD-80) package. It features a nominal Zener voltage of 68 V with a tolerance of ±5%. The device supports a maximum power dissipation of 500 mW and operates within a temperature range of -65 °C to +175 °C. Key electrical characteristics include a maximum reverse leakage current of 50 nA and a Zener impedance of 700 Ohms at the specified test conditions.

Single Zener Diodes Feature Summary

• High-temperature operation capability up to 175 °C
• Low leakage current design for precision regulation
• Compact surface-mount packaging for automated assembly

Single Zener Diodes Applications

• Voltage reference circuits
• Over-voltage protection
• Clamping applications

Single Zener Diodes Procurement Notes

Verify the specific datasheet revision and exact electrical tolerances against the manufacturer's official documentation before integration. Confirm that the DO-213AA footprint matches the PCB layout requirements. Ensure thermal management strategies account for the 500 mW power dissipation limit under worst-case operating conditions.

Single Zener Diodes Selection Notes

Select this component when a stable 68 V reference is required in high-temperature environments. The low leakage current makes it suitable for sensitive analog front-ends. Compare against standard through-hole alternatives if board space is constrained, noting the specific impedance and thermal characteristics of the SMD variant.

Single Zener Diodes Part Context

This part belongs to Microchip's CDLL series of single Zener diodes, which are optimized for reliability in harsh environments. The series utilizes advanced semiconductor processes to ensure consistent performance across wide temperature ranges, supporting industrial and automotive electronics designs requiring robust voltage regulation components.

Single Zener Diodes Replacement Considerations

Check for direct equivalents such as the CDLL4130-1/TR, which shares similar voltage and package specifications but may differ in leakage current or impedance parameters. Verify pinout compatibility and thermal resistance values before substituting.