1N4583A-1/TR

Single Zener Diodes Overview

The 1N4583A-1/TR is a temperature-compensated Zener diode manufactured by Microchip Technology. It features a nominal Zener voltage of 6.4 V with a tight tolerance of +/- 0.5%. The device operates in the DO-213AA (SMA) surface-mount package and dissipates up to 500 mW. Electrical characteristics include a maximum reverse leakage current of 2 µA at 3 V, a Zener impedance of 25 Ohms, and a test current of 4 mA. It supports an extended operating temperature range from -65°C to +175°C.

Single Zener Diodes Feature Summary

• Temperature compensated design for stable voltage regulation across wide thermal ranges
• High precision voltage tolerance of +/- 0.5% for critical reference applications
• Surface-mount construction in compact DO-213AA package for automated assembly

Single Zener Diodes Applications

• Precision voltage references in measurement instrumentation
• Temperature compensation circuits in industrial sensors
• Voltage regulation in high-reliability aerospace systems

Single Zener Diodes Procurement Notes

Verify the specific suffix configuration against official datasheets to confirm the exact tolerance grade and packaging type. Ensure the procurement channel provides traceable documentation for the DO-213AA reel format. Confirm RoHS compliance status as indicated in the manufacturer's environmental declarations prior to finalizing orders.

Single Zener Diodes Selection Notes

Select this component when precise voltage stability under varying thermal conditions is required. The 0.5% tolerance distinguishes it from standard variants. Verify that the 500 mW power dissipation rating aligns with the circuit's thermal management capabilities. Ensure the SMA footprint matches the PCB layout constraints.

Single Zener Diodes Part Context

This part belongs to Microchip's family of temperature-compensated Zener diodes designed for high-stability applications. Unlike standard Zener diodes, these utilize internal compensation techniques to minimize voltage drift over temperature. The 1N4583A variant specifically targets the 6.4 V reference point within this series.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers' temperature-compensated Zener diodes offering 6.4 V nominal voltage and similar tolerance grades. Verify pinout compatibility and thermal resistance characteristics before substitution.