CDLL4750A

Single Zener Diodes Overview

The CDLL4750A is a single silicon Zener diode manufactured by Microchip Technology, designed for voltage regulation applications. It features a nominal Zener voltage of 27 V with a tolerance of 5%. The device is housed in a DO-213AB (MELF) surface-mount package and supports a power dissipation of 1 W. It operates within a temperature range of -65°C to +175°C and includes a maximum reverse leakage current of 1 µA at the specified test conditions.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation using a single silicon junction structure.
• Features hermetic sealing within a glass MELF package for environmental protection.
• Supports high-temperature operation up to 175°C for demanding environments.

Single Zener Diodes Applications

• Voltage reference circuits requiring precise regulation.
• Overvoltage protection in electronic systems.
• Clamping applications in signal processing paths.

Single Zener Diodes Procurement Notes

Verify the specific suffix designation against official Microchip documentation to confirm exact electrical tolerances and screening levels. Ensure the procurement channel provides valid traceability for the component's manufacturing origin and quality certifications prior to acquisition.

Single Zener Diodes Selection Notes

Select this component when a 1 W surface-mount Zener diode with a 27 V nominal breakdown is required. Consider the DO-213AB package dimensions for PCB layout compatibility. Evaluate the thermal resistance characteristics relative to the expected operating environment and power dissipation limits.

Single Zener Diodes Part Context

This part belongs to the CDLL47xx series of 1 Watt Zener diodes from Microchip Technology. These devices are typically utilized in industrial and commercial electronics where reliable voltage regulation in a compact form factor is necessary. The series offers various voltage options within the same physical package.

Single Zener Diodes Replacement Considerations

Consult official substitution guides for compatible equivalents. Verify that any alternative maintains the 27 V Zener voltage, 1 W power rating, and DO-213AB package footprint to ensure functional interchangeability without redesigning the host circuit board.