CDLL4914A

Single Zener Diodes Overview

The Microchip Technology CDLL4914A is a single Zener diode designed for surface mount applications in the DO-213AA package. It features a nominal Zener voltage of 12.8 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 specifications include a maximum reverse leakage current of 15 µA at 8 V and a Zener impedance of 25 Ohms.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation through precise Zener breakdown characteristics
• Engineered for high-temperature reliability across an extended industrial range
• Utilizes a compact surface mount form factor for automated assembly

Single Zener Diodes Applications

• Voltage reference circuits requiring stable DC levels
• Overvoltage protection stages in sensitive electronic systems
• Temperature compensated regulator designs

Single Zener Diodes Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheet standards. Confirm RoHS compliance status as this specific part may not meet current environmental directives. Ensure the DO-213AA footprint matches your PCB design constraints before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a 12.8 V reference is required in a small surface mount package. Consider the 500 mW power rating for thermal management needs. Verify that the 25 Ohm impedance meets circuit stability requirements compared to lower impedance alternatives.

Single Zener Diodes Part Context

This component belongs to the CDLL49xx series of Zener diodes manufactured by Microchip Technology. The series offers various voltage options within the same DO-213AA package, allowing designers to standardize on a single footprint while adjusting voltage ratings for different circuit requirements.

Single Zener Diodes Replacement Considerations

CDLL4912 and CDLL4912A are documented parameter-equivalent substitutes from Microchip Technology.