1N4566A-1

Single Zener Diodes Overview

The Microchip Technology 1N4566A-1 is a temperature-compensated Zener reference diode featuring a nominal voltage of 6.4 V and a maximum power dissipation of 500 mW. It utilizes a DO-35 glass axial-leaded package with an internal metallurgical bond, indicated by the -1 suffix. The device offers high precision with a tolerance of ±0.5% and a low temperature coefficient of 0.001%/°C. Designed for stability, it operates within a junction temperature range of -65°C to +175°C.

Single Zener Diodes Feature Summary

• Temperature compensated design for minimal voltage change across operating temperatures
• Internal metallurgical bond construction for enhanced mechanical reliability
• High precision voltage regulation with tight tolerance specifications

Single Zener Diodes Applications

• Precision voltage reference circuits
• Temperature compensated oscillator circuits
• High-stability analog signal conditioning

Single Zener Diodes Procurement Notes

Verify the specific suffix configuration against official datasheets to ensure compatibility with required tolerance and bonding standards. Confirm RoHS compliance status as older military-grade variants may not meet current environmental directives. Validate supply chain authenticity through authorized channels due to potential availability constraints.

Single Zener Diodes Selection Notes

Select this component when stable reference voltage is critical under varying thermal conditions. The internal metallurgical bond provides superior durability compared to standard epoxy-sealed packages. Ensure circuit design accommodates the specified test current and power dissipation limits to maintain accuracy.

Single Zener Diodes Part Context

This part belongs to the 1N4565 through 1N4584A-1 series of Zero-TC Reference Diodes produced by Microchip Technology. These devices are engineered for applications requiring precise voltage regulation with minimal drift. The series includes various operating currents and tolerance levels to suit different design requirements.

Single Zener Diodes Replacement Considerations

Direct substitutes include other 1N4566A-1 variants from qualified manufacturers or equivalent temperature-compensated Zener diodes with matching 6.4 V nominal voltage and DO-35 packaging. Verify that replacement parts maintain the same metallurgical bond construction and temperature coefficient specifications.