1N4582

Single Zener Diodes Overview

The Microchip Technology 1N4582 is a 6.4 V temperature compensated Zener reference diode housed in a DO-7 (DO-204AA) glass axial-leaded package. It operates at a test current of 4.0 mA with a maximum voltage temperature coefficient of 0.002 %/°C (0.13 mV/°C). The device features a maximum reverse current of 2 µA at 3 V and a dynamic impedance of 25 Ω. It supports an operating temperature range from -55°C to +100°C and provides minimal voltage change over broad temperature ranges for precision circuit designs.

Single Zener Diodes Feature Summary

• Temperature compensated design providing minimal voltage change across broad operating temperature ranges
• Internal metallurgical bonding within a hermetically sealed glass case
• Flexible axial-leaded mounting terminals compatible with standard through-hole processes
• Non-sensitive to electrostatic discharge per MIL-STD-750 Method 1020

Single Zener Diodes Applications

• Precision instrumentation requiring stable voltage references
• Circuit designs demanding low voltage drift over temperature variations
• Military qualification applications using JAN, JANTX, or JANTXV prefixes

Single Zener Diodes Procurement Notes

Verify the specific suffix requirements for military qualifications such as JAN, JANTX, or JANTXV when ordering. Confirm that the DO-7 package aligns with board layout constraints. Ensure the 4.0 mA test current matches the biasing conditions of the target application circuit. Check for tape and reel availability if automated assembly is required by adding the TR suffix.

Single Zener Diodes Selection Notes

Select this component when a nominal 6.4 V reference with tight temperature stability is required. The 4.0 mA operating current suits applications needing lower power dissipation compared to higher current variants. Consider tighter tolerance suffixes if standard JEDEC tolerances are insufficient. Verify compatibility with existing thermal management strategies given the 500 mW power dissipation rating.

Single Zener Diodes Part Context

This part belongs to the popular 1N4565 through 1N4584A-1 series of Zero-TC Reference Diodes. The series offers various temperature coefficients ranging from 0.01%/°C to 0.0005%/°C. These diodes are internally metallurgical bonded and available in multiple military qualifications. The series serves as a foundational reference solution for analog signal processing and measurement systems.

Single Zener Diodes Replacement Considerations

Direct replacements include other parts within the 1N4565–1N4584A-1 series with matching temperature coefficients and test currents. Military equivalents are available with JAN, JANTX, or JANTXV prefixes. Surface mount alternatives exist in the DO-213AA package with the UR-1 suffix.