1N4577/TR

Single Zener Diodes Overview

The Microchip Technology 1N4577/TR is a temperature-compensated Zener reference diode with a nominal voltage of 6.4 V. It operates at a test current (IZT) of 2.0 mA and features a maximum temperature coefficient of 0.002 %/°C (0.13 mV/°C). The device is housed in a DO-7 (DO-204AA) glass axial-leaded package and is supplied in tape and reel format, indicated by the TR suffix. It supports an operating temperature range from -55°C to +100°C.

Single Zener Diodes Feature Summary

• Provides stable voltage reference with minimal change over broad temperature ranges
• Temperature compensated design for instrumentation requiring high stability
• Internal metallurgical bonding for robust construction
• Non-sensitive to electrostatic discharge per MIL-STD-750 Method 1020

Single Zener Diodes Applications

• Instrumentation circuits requiring precise voltage references
• Circuit designs demanding low voltage drift over temperature
• Military qualification applications via JAN/JANTX prefixes

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix requirements against the manufacturer's datasheet to ensure correct packaging and military qualification levels. Confirm that the TR suffix aligns with the required tape and reel specifications for your assembly process. Cross-reference the part number prefix for any necessary military standards such as JAN or JANTX if applicable to your project constraints.

Single Zener Diodes Selection Notes

Select this component when a 6.4 V reference with a 0.002 %/°C temperature coefficient is required at a 2.0 mA operating current. Consider the DO-7 package for axial mounting needs. Evaluate alternative series members within the 1N4565-1N4584A family if different test currents or tighter tolerance options are needed for the specific application environment.

Single Zener Diodes Part Context

This device belongs to the 1N4565 through 1N4584A series of zero-TC reference diodes manufactured by Microsemi Scottsdale Division. These components are JEDEC registered and offer various temperature coefficients ranging from 0.01%/°C to 0.0005%/°C. The series includes options for military qualifications and surface mount equivalents, providing flexibility for diverse electronic design requirements.

Single Zener Diodes Replacement Considerations

Equivalent parts include other members of the 1N4565-1N4584A series with matching electrical characteristics. Military versions may require JAN, JANTX, or JANTXV prefixes. Surface mount alternatives are available in DO-213AA packages with UR-1 suffixes.