SMBG4756AE3/TR13

Single Zener Diodes Overview

The SMBG4756AE3/TR13 is a surface-mount Zener diode manufactured by Microchip Technology, formerly Microsemi. It features a nominal voltage of 47 V with a tolerance of ±5% and a maximum power dissipation of 2 W. The device utilizes the DO-214AA (SMB) package and operates within a temperature range of -65°C to 150°C. Key electrical characteristics include a reverse leakage current of 5 µA at 35.8 V and a forward voltage of 1.2 V at 200 mA. The component is RoHS compliant and classified as obsolete.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation in surface-mount applications
• Features low thermal resistance for efficient heat dissipation
• Offers visible solder connections via gull-wing design

Single Zener Diodes Applications

• Voltage regulation circuits
• Protection against transient overvoltages
• Reference voltage generation

Single Zener Diodes Procurement Notes

Verify component status carefully before integration, as this specific part number is officially listed as obsolete by the manufacturer. Confirm availability through authorized distributors or secondary markets. Ensure that any replacement components maintain identical electrical specifications, package dimensions, and thermal performance to guarantee circuit compatibility and reliability.

Single Zener Diodes Selection Notes

Select this component for designs requiring a 47 V Zener reference in an SMB package. Consider the ±5% tolerance and 2 W power rating when designing thermal management solutions. Evaluate alternative active or passive components if long-term supply continuity is required due to the obsolete status of this specific part number.

Single Zener Diodes Part Context

This device belongs to the SMBJ/SMBG series of 2.0 Watt Zener diodes. These components are designed as surface-mount equivalents to traditional JEDEC registered 1N47xx axial leaded diodes but offer higher power handling capabilities. The series provides various voltage options from 3.3 to 100 volts, catering to diverse voltage regulation needs in compact electronic assemblies.