CDLL826/TR

Single Zener Diodes Overview

The CDLL826/TR is a temperature compensated Zener diode manufactured by Microchip Technology, housed in a hermetically sealed DO-213AA (MELF) glass case. It features a nominal Zener voltage range of 6.2 to 6.9 V at a test current of 7.5 mA. The device exhibits a maximum Zener impedance of 15 ohms and a temperature stability coefficient of 0.002 %/°C. It supports an operating temperature range from -65°C to +175°C with a DC power dissipation rating of 500 mW at +50°C.

Single Zener Diodes Feature Summary

• Temperature compensated design for high voltage stability across wide thermal ranges
• Hermetically sealed glass MELF package suitable for surface mount applications
• Metallurgically bonded double plug construction for reliability

Single Zener Diodes Applications

• Precision voltage reference circuits requiring low temperature drift
• Temperature compensation networks in analog signal conditioning
• High-reliability aerospace and defense electronic systems

Single Zener Diodes Procurement Notes

Verify the specific suffix against official documentation to confirm packaging configuration. Confirm that the component meets required environmental standards and lead finish specifications before integration into production designs.

Single Zener Diodes Selection Notes

Select this component when stable voltage regulation is critical over extreme temperature variations. Ensure the mounting surface coefficient of expansion matches the device characteristics to maintain mechanical integrity during thermal cycling.

Single Zener Diodes Part Context

This part belongs to the CDI Diodes CDLL821 through CDLL829A series of temperature compensated Zener diodes. These devices are designed to replace axial equivalents like the 1N826UR-1 while providing a compact surface mount footprint.

Single Zener Diodes Replacement Considerations

Public confirmed substitute part numbers include 1N826UR-1.