1N4583/TR

Single Zener Diodes Overview

The Microchip Technology 1N4583/TR is a temperature-compensated Zener reference diode with a nominal voltage of 6.4 V and a maximum temperature coefficient of 0.001%/°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, dissipates 500 mW, and functions within an operating temperature range of -65°C to +175°C.

Single Zener Diodes Feature Summary

• Temperature-compensated Zener reference diode providing minimal voltage change over a broad operating temperature range
• Internal metallurgical bonding for structural integrity and reliability
• Hermetically sealed glass case ensuring environmental protection
• Flexible axial-leaded mounting terminals compatible with standard through-hole processes

Single Zener Diodes Applications

• Instrumentation circuits requiring stable voltage references
• Precision measurement systems demanding low temperature drift
• Voltage regulation designs utilizing 6.4 V reference points

Single Zener Diodes Procurement Notes

Verify the specific suffix requirements against official datasheets before ordering. Confirm that the TR suffix aligns with tape-and-reel packaging specifications. Ensure compatibility with MIL-PRF-19500/452 standards if military qualification is required. Cross-reference part numbers with manufacturer documentation to confirm availability and lead times.

Single Zener Diodes Selection Notes

Select this component when a 6.4 V reference with a 0.001%/°C temperature coefficient is required. Verify that the 4.0 mA test current matches the design bias conditions. Consider the DO-7 package dimensions for PCB layout constraints. Evaluate the 500 mW power dissipation capability against thermal management requirements.

Single Zener Diodes Part Context

The 1N4583 series belongs to the JEDEC registered 1N4565 through 1N4584 family of zero-TC reference diodes. These devices are designed for applications requiring high stability and low temperature drift. The series offers various temperature coefficients and test currents to suit different precision circuit needs.

Single Zener Diodes Replacement Considerations

Consult official substitution guides for equivalent parts. Verify electrical parameters such as voltage tolerance and temperature coefficient match the original design requirements. Check package compatibility and pinout alignment before implementing any replacement.

Single Zener Diodes FAQ

What is the maximum temperature coefficient for the 1N4583?

The maximum temperature coefficient is 0.001%/°C.

What is the specified test current for this device?

The Zener test current is 4.0 mA.

Does the 1N4583 support military qualifications?

Yes, military qualifications are available by adding JAN, JANTX, or JANTXV prefixes to the part number.