1N4565A-1E3/TR

Single Zener Diodes Overview

The Microchip Technology 1N4565A-1E3/TR is a temperature compensated Zener reference diode with a nominal voltage of 6.4 V and a tolerance of +/- 5%. It operates at a test current of 0.5 mA, featuring a maximum temperature coefficient of 0.01%/°C (0.64 mV/°C) and a dynamic impedance of 200 Ohms. The device utilizes a DO-7 (DO-204AA) glass axial-leaded package, supports an operating temperature range from -65°C to +175°C, and dissipates up to 500 mW.

Single Zener Diodes Feature Summary

• Provides stable voltage reference with minimal change over broad temperature ranges
• Features internal metallurgical bonding for enhanced reliability
• Offers flexible axial-leaded mounting terminals in a hermetically sealed glass case

Single Zener Diodes Applications

• Instrumentation circuits requiring precise voltage references
• Electronic designs demanding low voltage drift across temperature variations
• Military and aerospace systems utilizing JAN, JANTX, or JANTXV qualifications

Single Zener Diodes Procurement Notes

Verify the specific suffix requirements against the manufacturer's datasheet to ensure correct packaging and qualification levels. Confirm that the ordering suffix does not alter the electrical function unless explicitly stated in official documentation. Cross-reference the part number with the JEDEC registered series data to validate compatibility with existing system designs.

Single Zener Diodes Selection Notes

Select this component when a 6.4 V reference with tight temperature stability is required. Consider the 0.5 mA test current and 200 Ohm dynamic impedance for circuit matching. Evaluate the DO-7 package constraints for board layout and thermal management within the specified -65°C to +175°C operating range.

Single Zener Diodes Part Context

This device belongs to the 1N4565 thru 1N4584A-1 series of Zero-TC Reference Diodes manufactured by Microsemi/Microchip Technology. The series provides various temperature coefficients and operating currents for 6.4 V applications. The 1N4565A variant specifically denotes the 5% tolerance option within this family.

Single Zener Diodes Replacement Considerations

Equivalent parts include other devices from the 1N4565 thru 1N4584A-1 series with matching voltage and temperature coefficients. Verify package compatibility and electrical parameters before substitution.

Single Zener Diodes FAQ

What is the maximum temperature coefficient for the 1N4565A?

The maximum temperature coefficient is 0.01%/°C, which corresponds to 0.64 mV/°C.

Is the 1N4565A-1E3/TR internally bonded?

Yes, the device features internal metallurgical bonding as part of its construction.