1N4617-1

Single Zener Diodes Overview

The Microchip Technology 1N4617-1 is a 500 mW metallurgically bonded glass Zener diode in an axial-lead DO-35 package. It provides a nominal Zener voltage of 2.4 V at a test current of 250 µA, with a maximum dynamic impedance of 1400 Ohms and a reverse leakage current of 1.0 µA. The device operates within a junction temperature range of -65°C to +175°C and features a temperature coefficient of -0.075 %/°C.

Single Zener Diodes Feature Summary

• Internal metallurgical bond construction for high reliability
• Hermetically sealed glass DO-35 axial-lead package
• Inherently radiation hard design
• Low noise density performance

Single Zener Diodes Applications

• High reliability military applications
• Voltage regulation over broad current and temperature ranges
• Radiation-hardened circuit designs

Single Zener Diodes Procurement Notes

Verify the specific qualification level (JAN, JANTX, JANTXV, or JANS) required for the application, as the base part number covers multiple reliability grades. Confirm RoHS compliance status if environmental regulations apply, noting that compliant versions are available on commercial grade only. Ensure the ordering suffix matches the desired tolerance and packaging format.

Single Zener Diodes Selection Notes

Select this component for applications requiring a stable 2.4 V reference with low capacitance and radiation hardness. Consider the -0.075 %/°C temperature coefficient for thermal stability requirements. Verify that the 500 mW power dissipation rating and 1400 Ohm impedance meet the circuit's load and noise specifications.

Single Zener Diodes Part Context

This device belongs to the 1N4614-1 through 1N4627-1 series of 500 mZener voltage regulators. These parts are JEDEC registered and qualified per MIL-PRF-19500/435. The series offers voltages from 1.8 to 100 V with various tolerance options, utilizing internal metallurgical bonding for enhanced durability in harsh environments.

Single Zener Diodes Replacement Considerations

Equivalent parts include other 1N4617 variants with matching voltage and package, such as JAN1N4617D-1 or JANTX1N4617CUR-1, provided they meet the specific reliability and tolerance requirements.