1N4678UR-1

Single Zener Diodes Overview

The Microchip Technology 1N4678UR-1 is a surface-mount Zener diode designed for voltage regulation applications. It operates within a supply voltage range of 3.3 V to 4.2 V and supports data rates up to 1 Mb/s with an output power of 1.5 dBm. The component functions at a frequency of 2.44 GHz, featuring receiver sensitivity levels of -90 dBm and -92 dBm. It is rated for operation between -20°C and +70°C and utilizes a Tray package configuration.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation across broad operating current and temperature ranges
• Features internal metallurgical bonding similar to military requirements
• Offers flexible surface-mount installation options

Single Zener Diodes Applications

• Voltage regulation in electronic circuits
• Temperature-compensated reference applications
• General-purpose voltage clamping

Single Zener Diodes Procurement Notes

Verify the specific manufacturer source, as documentation references both Microchip Technology and Microsemi for this part number. Confirm RoHS compliance status, as sources indicate non-compliance. Ensure the ordering suffix matches the required package type and tolerance specifications before procurement.

Single Zener Diodes Selection Notes

Select this component when a surface-mount Zener diode with internal metallurgical bonding is required. Consider the 5% voltage tolerance and 0.5 W power dissipation capabilities. Verify compatibility with the target operating temperature range and ensure the DO-213AA-2 package fits the design constraints.

Single Zener Diodes Part Context

This device belongs to the 1N4678 series of 0.5-watt Zener voltage regulators. The series provides voltage selections from 1.8 to 43 volts with standard 5% tolerances. These components are available in various packages, including axial-leaded and surface-mount configurations, catering to diverse industrial and commercial applications.

Single Zener Diodes Replacement Considerations

Consult official datasheets for direct substitutes within the 1N4678 series or equivalent surface-mount Zener diodes. Verify that replacement parts match the 0.5 W power rating and DO-213AA package outline.