1N3035BUR-1

Single Zener Diodes Overview

The Microchip Technology 1N3035BUR-1 is a surface mount Zener diode qualified per MIL-PRF-19500/115. It features a hermetically sealed glass MELF (DO-213AB) package with metallurgically bonded internal construction. The device provides a nominal Zener voltage of 43 V at a test current of 6.0 mA, with a maximum dynamic impedance of 70 Ohms and a reverse leakage current of 10 µA. It supports a DC power dissipation of 1.0 W and operates within a junction temperature range of -55 °C to +175 °C.

Single Zener Diodes Feature Summary

• Hermetically sealed double plug glass construction for high reliability
• Metallurgically enhanced internal contact design for lower thermal resistance
• Leadless surface mount MELF package suitable for high-density applications
• Qualified to JAN, JANTX, and JANTXV military standards

Single Zener Diodes Applications

• Voltage regulation over broad operating current and temperature ranges
• High-reliability electronic systems requiring radiation hardness
• Low parasitic requirement circuit designs

Single Zener Diodes Procurement Notes

Verify the specific military qualification level (JAN, JANTX, or JANTXV) required for the application, as indicated by the part nomenclature prefix. Confirm RoHS compliance status if applicable, noting that commercial versions may differ from military grades. Ensure the mounting surface Coefficient of Expansion matches the device's axial coefficient to prevent mechanical stress during operation.

Single Zener Diodes Selection Notes

Select this component when a leadless surface mount Zener diode with high reliability and radiation hardness is required. The DO-213AB package is ideal for space-constrained designs. Consider the 43 V nominal voltage and 1 W power rating to ensure compatibility with the target circuit's voltage regulation needs and thermal management capabilities.

Single Zener Diodes Part Context

This device belongs to the 1N3016BUR-1 through 1N3045BUR-1 series of 1 Watt Surface Mount Zener Diodes. It serves as the surface mount equivalent to the JEDEC registered 1N3016B-1 through 1N3045B-1 series in the DO-13 package, offering similar electrical characteristics in a compact MELF form factor.

Single Zener Diodes Replacement Considerations

Direct replacements include other parts within the 1N3016BUR-1 to 1N3045BUR-1 series from Microchip/Microsemi. Verify exact voltage tolerance and qualification level matching before substitution.