CD4770

Single Zener Diodes Overview

The CD4770 is a temperature-compensated Zener reference diode manufactured by Microchip Technology. It features a nominal Zener voltage of 9.1 V with a tolerance of ±5%. The device is designed for low current range applications, specifically operating at test currents of 0.5 mA and 1.0 mA. It utilizes metallurgically bonded double plug construction to ensure stability. The component is available in the DO-35 axial through-hole package and supports an operating temperature range from -65°C to +175°C.

Single Zener Diodes Feature Summary

• Temperature compensated design for stable reference performance across varying thermal conditions
• Metallurgically bonded double plug construction for enhanced reliability
• Optimized for low current operation ranges

Single Zener Diodes Applications

• Precision voltage reference circuits
• Temperature compensation networks
• Low current regulation applications

Single Zener Diodes Procurement Notes

Verify the specific suffix designation (e.g., 1N4770 vs CD4770) against official Microchip documentation to confirm package type and manufacturing lot details. Ensure the required Zener voltage tolerance and power dissipation ratings align with the target circuit design specifications before procurement.

Single Zener Diodes Selection Notes

Select this component when a stable 9.1 V reference is required in low-current environments. Consider the DO-35 package constraints for through-hole mounting. Verify that the maximum power dissipation and temperature derating curves meet the operational thermal requirements of the final assembly.

Single Zener Diodes Part Context

This part belongs to the family of temperature-compensated Zener reference diodes produced by Microchip Technology. These components are engineered to provide high stability and low noise characteristics suitable for precision analog applications requiring reliable voltage references over wide temperature ranges.

Single Zener Diodes Replacement Considerations

Consult official Microchip substitution guides for verified equivalents. Generic replacements may not match the specific temperature compensation characteristics or metallurgical construction of the original component.