1N4582/TR

Single Zener Diodes Overview

The Microchip Technology 1N4582/TR is a temperature compensated Zener reference diode with a nominal voltage of 6.4 V and a maximum temperature coefficient of 0.002 %/°C. It operates at a test current of 4.0 mA, features a maximum reverse current of 2 µA at 3 V, and has a dynamic impedance of 25 Ω. The device is housed in a DO-7 (DO-204AA) glass axial-leaded package and supports tape and reel packaging via the TR suffix.

Single Zener Diodes Feature Summary

• Temperature compensated design for minimal voltage change over broad operating ranges
• Internal metallurgical bonding for structural integrity
• Hermetically sealed glass case construction

Single Zener Diodes Applications

• Instrumentation circuits requiring stable voltage references
• Circuit designs demanding low voltage drift across temperature variations
• Precision analog signal processing applications

Single Zener Diodes Procurement Notes

Verify that the part number includes the TR suffix to confirm tape and reel packaging configuration. Ensure the specific manufacturer designation aligns with Microchip Technology or its predecessor entities as documented in official datasheets. Confirm compliance requirements such as RoHS status directly from the manufacturer's product documentation before procurement.

Single Zener Diodes Selection Notes

Select this component when a 6.4 V reference with a tight temperature coefficient of 0.002 %/°C is required. The 4.0 mA test current setting distinguishes it from lower current variants in the series. Verify that the DO-7 through-hole package meets the mechanical constraints of the target PCB layout.

Single Zener Diodes Part Context

This device belongs to the 1N4565 through 1N4584A-1 series of zero-TC reference diodes. These components are designed to provide stable voltage references with temperature coefficients ranging from 0.01%/°C down to 0.0005%/°C. The series offers various test currents including 0.5 mA, 1.0 mA, 2.0 mA, and 4.0 mA to suit different power and stability requirements.

Single Zener Diodes Replacement Considerations

Compatible substitutes include other parts within the 1N4565–1N4584A-1 series that match the 6.4 V nominal voltage and 0.002 %/°C temperature coefficient. Verify equivalent electrical characteristics and package compatibility before substitution.