CDLL4109E3/TR

Single Zener Diodes Overview

The CDLL4109E3/TR is a single Zener diode manufactured by Microchip Technology, designed for surface-mount applications. It features a nominal Zener voltage of 15 V with a tolerance of ±5%. The device operates within the DO-213AA (SOD-80) package and dissipates up to 500 mW of power. Key electrical characteristics include a maximum reverse leakage current of 50 nA, a Zener impedance of 100 Ohms, and a test current of 250 µA. It supports an operating temperature range from -65°C to +175°C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation in a compact surface-mount glass MELF package.
• Capable of operation across extended industrial and military temperature ranges.
• Features low reverse leakage current suitable for precision reference circuits.

Single Zener Diodes Applications

• Voltage reference circuits requiring stable DC levels
• Overvoltage protection in sensitive electronic systems
• Clamping applications in signal processing paths

Single Zener Diodes Procurement Notes

Verify the specific suffix 'E3' indicates lead-free compliance when sourcing. Confirm the package designation matches DO-213AA requirements for your PCB footprint. Ensure the manufacturer is identified as Microchip Technology or its predecessor entities like Microsemi to guarantee authenticity and traceability of the component specifications.

Single Zener Diodes Selection Notes

Select this component when a 15 V Zener voltage is required in a small form factor. The DO-213AA package offers a balance between thermal performance and board space efficiency. Consider the 500 mW power dissipation limit and the -65°C to +175°C temperature range to ensure suitability for the intended environmental conditions.

Single Zener Diodes Part Context

This part belongs to the CDLL4109 series of Zener diodes produced by Microchip Technology. The series includes variants with different voltage ratings and tolerances, such as the CDLL4109D/TR which offers tighter 1% tolerance. These components are commonly used in aerospace and defense applications due to their robust construction and wide operating temperature capabilities.

Single Zener Diodes Replacement Considerations

Direct substitutes may include other 15 V Zener diodes in the SOD-80/DO-213AA package with similar power ratings. Verify that alternative parts meet the same electrical parameters, specifically the 500 mW dissipation and ±5% voltage tolerance, to ensure functional compatibility without redesigning the circuit.