CDLL5222A

Single Zener Diodes Overview

The CDLL5222A is a single Zener diode manufactured by Microchip Technology, designed for surface-mount applications. It features a nominal Zener voltage of 2.5 V with a tolerance of ±10%. The device is housed in the DO-213AB (SMB) package and supports a maximum forward current of 200 mA. Key electrical characteristics include a maximum reverse leakage current of 100 µA and a Zener impedance of 30 Ohms. It operates within a temperature range of -65°C to +175°C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation at a low 2.5 V reference level
• Capable of handling high forward currents up to 200 mA
• Engineered for extended reliability across wide industrial temperature ranges

Single Zener Diodes Applications

• Voltage reference circuits requiring precise low-voltage regulation
• Overvoltage protection stages in sensitive electronic systems
• Clamping applications in signal conditioning paths

Single Zener Diodes Procurement Notes

Verify the specific suffix designation when ordering, as variants such as /TR or /D may indicate different packaging formats like tape-and-reel or bulk. Confirm that the required voltage tolerance and thermal performance align with the design specifications before finalizing procurement decisions.

Single Zener Diodes Selection Notes

Select this component when a robust surface-mount Zener diode is needed for low-voltage regulation tasks. Ensure the PCB layout accommodates the DO-213AB footprint and that the circuit design accounts for the specified 30 Ohm impedance and leakage current limits under operating conditions.

Single Zener Diodes Part Context

This part belongs to the CDLL series of hermetically sealed glass-passivated Zener diodes from Microchip Technology. These components are engineered for high-reliability environments, offering superior stability compared to standard plastic-packaged equivalents while maintaining compatibility with automated surface-mount assembly processes.

Single Zener Diodes Replacement Considerations

Consult official Microchip documentation for verified cross-reference part numbers. Generic substitutes may not match the specific hermetic sealing or thermal ratings required for critical applications.