CDLL4762/TR

Single Zener Diodes Overview

The CDLL4762/TR is a temperature-compensated Zener diode manufactured by Microchip Technology. It features an 8.5 V nominal Zener voltage with a 5% tolerance and operates within a wide temperature range from -65°C to +175°C. The device is housed in the DO-213AA-2 (SOD-323) surface-mount package, dissipating up to 500 mW. Key electrical characteristics include a maximum reverse leakage current of 10 µA, a Zener impedance of 200 ohms, and a test current of 500 µA.

Single Zener Diodes Feature Summary

• Temperature compensated design for stable voltage regulation across extreme thermal conditions
• High-temperature operation capability extending up to +175°C junction temperature
• Compact SMD form factor suitable for space-constrained circuit board layouts

Single Zener Diodes Applications

• Precision voltage reference circuits requiring thermal stability
• Over-voltage protection in high-temperature industrial environments
• Voltage regulation in automotive electronics subject to wide thermal swings

Single Zener Diodes Procurement Notes

Verify the specific manufacturer part number against official Microchip documentation to confirm availability and compliance status. Check for any recent product change notices or lifecycle updates that may affect long-term supply. Ensure the ordering suffix matches the required reel packaging configuration for automated assembly processes.

Single Zener Diodes Selection Notes

Select this component when precise voltage regulation is critical under varying thermal loads. The temperature compensation feature distinguishes it from standard Zener diodes, making it suitable for applications where voltage drift due to heat is unacceptable. Confirm that the 500 mW power dissipation rating aligns with the expected operating current in the target circuit design.

Single Zener Diodes Part Context

This component belongs to Microchip's CDLL series of small-signal Zener diodes designed for surface-mount technology. The series offers various voltage options in compact packages like DO-213AA. These devices are engineered for reliability in demanding electronic systems, providing consistent performance where standard diodes might fail due to thermal instability.