CDLL4488

Single Zener Diodes Overview

The CDLL4488 is a single Zener diode manufactured by Microchip Technology, designed for surface-mount applications. It utilizes the DO-213AB (MELF) package and offers a nominal Zener voltage of 5.6 V with a tolerance of ±5%. The device supports a maximum power dissipation of 1 W and operates within an extended temperature range from -65°C to +175°C. Key electrical characteristics include a maximum reverse leakage current of 1 µA at 4.9 V and a Zener impedance of 10 Ohms. Testing is conducted at a specified current of 45 mA.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation in a compact MELF surface-mount package
• Capable of operation across an extended industrial temperature range up to 175°C
• Features low reverse leakage current for efficient performance

Single Zener Diodes Applications

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

Single Zener Diodes Procurement Notes

Verify the specific suffix and packaging configuration when ordering, as availability may vary between bulk and reel formats. Confirm compliance requirements such as RoHS status directly with the manufacturer or authorized distributors, as specifications can change. Ensure the selected component matches the required thermal and electrical ratings for the intended application environment before finalizing procurement.

Single Zener Diodes Selection Notes

Select this component when a robust, high-temperature Zener diode is needed in a MELF package. Compare the 1 W power rating and 5.6 V nominal voltage against circuit requirements. Consider the ±5% tolerance and 10 Ohm impedance for precision needs. Evaluate the extended operating temperature range if the environment exceeds standard commercial limits.

Single Zener Diodes Part Context

This component belongs to the CDLL series of Zener diodes produced by Microchip Technology. These devices are characterized by their glass passivated junctions and reliability in harsh environments. The series provides various voltage options within the same physical footprint, allowing for design flexibility while maintaining consistent mounting and thermal characteristics across different voltage ratings.

Single Zener Diodes Replacement Considerations

Consult official substitution guides for equivalent parts. Verify that any replacement matches the DO-213AB package, 5.6 V Zener voltage, 1 W power rating, and ±5% tolerance. Ensure the alternative component supports the same -65°C to +175°C operating temperature range and similar electrical parameters.