1N3025BUR-1/TR

Overview

The Microchip Technology 1N3025BUR-1/TR is a surface mount Zener diode in the DO-213AB (MELF) package. It provides a nominal Zener voltage of 16 V with a 5% tolerance at a test current of 15.5 mA. The device features a maximum reverse leakage current of 10 µA and a dynamic impedance of 16 Ω. It operates within a temperature range of -55 °C to +175 °C, dissipating up to 1 W of power.

Feature Summary

• Hermetically sealed glass MELF construction for high reliability
• Metallurgically bonded internal contacts
• Leadless surface mount design suitable for high-density applications
• Qualified per MIL-PRF-19500/115 standards

Applications

• Voltage regulation over broad operating currents
• High-reliability electronic circuits
• Radiation-hardened environments

Procurement Notes

Verify the specific suffix against official documentation to confirm RoHS compliance status and packaging configuration. Ensure the ordering code matches the required military qualification level and tape-and-reel specifications before procurement.

Selection Notes

Select this component for designs requiring low parasitic effects and compact surface mounting. Consider the thermal resistance and derating curves when calculating power dissipation limits in enclosed or high-temperature environments.

Part Context

This part belongs to the 1N3016B-1 through 1N3045B-1 series, offering leadless equivalents to JEDEC registered axial diodes. The BUR-1 designation indicates a metallurgically bonded surface mount variant in the DO-213AB outline.

Replacement Considerations

Direct replacements include JAN1N3025B-1 and JANTXV1N3025C-1/TR, provided the package type and electrical tolerances align with the system requirements.