1N4582A-1/TR

Single Zener Diodes Overview

The Microchip Technology 1N4582A-1/TR is a temperature-compensated Zener reference diode designed for precision voltage regulation. It features a nominal Zener voltage of 6.4 V with a tight tolerance of ±0.2% and a low voltage temperature coefficient of 0.002%/°C. The device operates at a test current of 4 mA, dissipating up to 500 mW of power. It utilizes a DO-35-2 axial leaded package suitable for through-hole mounting. Key electrical characteristics include a maximum reverse leakage current of 2 µA and a Zener impedance of 25 Ohms. The component supports an operating temperature range from -65°C to +175°C.

Single Zener Diodes Feature Summary

• Temperature compensated design ensures stable voltage reference across wide thermal variations
• High precision voltage tolerance enables accurate regulation in sensitive circuits
• Low voltage temperature coefficient minimizes drift under changing environmental conditions

Single Zener Diodes Applications

• Precision voltage reference sources in measurement instrumentation
• Temperature compensated oscillator circuits requiring stable frequency references
• High-accuracy analog-to-digital converter reference inputs
• Calibration standards for electronic testing equipment

Single Zener Diodes Procurement Notes

Verify the specific suffix configuration against official datasheets to confirm tolerance and packaging details. Ensure compatibility with through-hole assembly processes given the DO-35-2 package style. Confirm RoHS compliance status as indicated by manufacturer specifications prior to integration into regulated products.

Single Zener Diodes Selection Notes

Select this component when high stability and low temperature drift are critical requirements. The 6.4 V nominal voltage is suitable for applications needing a stable reference above standard silicon junction voltages. Consider the 500 mW power dissipation capability for thermal management planning in enclosed environments.

Single Zener Diodes Part Context

This part belongs to the 1N4582 series of temperature-compensated Zener diodes manufactured by Microchip Technology. These devices are engineered to provide superior performance compared to standard Zener diodes by utilizing complementary voltage coefficients to cancel out temperature effects. The series is widely used in applications demanding long-term stability and precision.

Single Zener Diodes Replacement Considerations

Direct replacements include the JAN1N4582AUR-1 for military-grade specifications or the CDLL4582A/TR for surface-mount applications. Verify pinout compatibility and ensure equivalent electrical parameters such as Zener impedance and leakage current before substitution.