1N4575A-1

Single Zener Diodes Overview

The Microchip Technology 1N4575A-1 is a temperature compensated Zener reference diode with a nominal voltage of 6.4 V and a tolerance of +/- 5%. It features an internal metallurgical bond and operates at a test current (IZT) of 2.0 mA. The device exhibits a maximum temperature coefficient of 0.01%/°C (0.64 mV/°C). Electrical characteristics are specified within a temperature range of -55°C to +100°C, with a maximum reverse current of 2 µA at 3 V and a dynamic impedance of 50 Ohms at IZT. It is housed in a hermetically sealed glass DO-7 (DO-204AA) axial-leaded package.

Single Zener Diodes Feature Summary

• Temperature compensated design for minimal voltage change over broad operating ranges
• Internal metallurgical bond construction for enhanced reliability
• Hermetically sealed glass case resistant to ESD per MIL-STD-750 Method 1020

Single Zener Diodes Applications

• Instrumentation requiring stable voltage references
• Precision circuit designs demanding low temperature drift
• Military and aerospace applications qualifying under MIL-PRF-19500/452

Single Zener Diodes Procurement Notes

Verify the specific suffix requirements for military qualifications such as JAN, JANTX, or JANTXV prefixes when sourcing this component. Confirm that the ordering part number includes the “-1” suffix to ensure the internal metallurgical bond construction is included. Cross-reference the datasheet revision date against the manufacturer's website for the most current electrical specifications and mechanical dimensions before finalizing procurement.

Single Zener Diodes Selection Notes

Select this component when a 6.4 V reference with a 2.0 mA test current is required. Ensure the application environment falls within the -55°C to +100°C operating range. Consider tighter tolerance options by adding percentage suffixes if standard +/- 5% is insufficient. Verify that the DO-7 package style matches the PCB layout requirements for axial mounting.

Single Zener Diodes Part Context

This device belongs to the 1N4565 through 1N4584A-1 series of Zero-TC Reference Diodes manufactured by Microsemi (now Microchip Technology). The series provides various temperature coefficients and operating currents while maintaining a consistent 6.4 V nominal voltage. The “-1” suffix specifically denotes the internal metallurgical bond variant available in JEDEC registered packages.

Single Zener Diodes Replacement Considerations

Equivalent parts include JAN1N4575A-1, JANTX1N4575A-1, and JANTXV1N4575A-1 for military qualification levels. Surface mount equivalents are available in the DO-213AA package with the UR-1 suffix, such as JANTX1N4575AUR-1.