SMBG4744E3/TR13

Single Zener Diodes Overview

The SMBG4744E3/TR13 is a surface-mount Zener diode manufactured by Microsemi Corporation. It features a nominal Zener voltage of 15V with a tolerance of 10%. The device is designed for unidirectional operation and dissipates up to 1.25W of power. It utilizes a DO-214AA (SMBJ) plastic package, which offers lower thermal resistance compared to glass-body equivalents. The component operates within a temperature range of -65°C to +150°C and complies with RoHS standards.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation in a compact surface-mount configuration
• Utilizes a plastic encapsulated package for improved thermal performance
• Designed for high-reliability applications requiring robust transient protection

Single Zener Diodes Applications

• Voltage regulation circuits
• Transient voltage suppression
• Protection of sensitive electronic components

Single Zener Diodes Procurement Notes

Verify the specific suffix 'TR13' indicates reel packaging when sourcing. Confirm that the 'e3' suffix denotes lead-free compliance and halogen-free status as per manufacturer specifications. Ensure the part number matches the exact 15V rating and 1.25W power dissipation requirements for your design. Cross-reference the manufacturer's latest datasheet for any potential obsolescence notices or alternate package options.

Single Zener Diodes Selection Notes

Select this component when a 15V regulation point is required in a space-constrained PCB layout. The DO-214AA package allows for higher mounting density compared to axial leads. Consider the 10% tolerance if tighter voltage precision is not critical. Evaluate the 1.25W power rating against expected thermal loads to ensure reliable operation under continuous stress conditions.

Single Zener Diodes Part Context

This part belongs to the SMBG series of silicon Zener diodes, which are surface-mount equivalents to the traditional 1N47xx axial series. The SMBG series provides similar electrical characteristics but with enhanced power handling capabilities and smaller physical footprints. Microsemi designs these devices for general-purpose voltage regulation and protection in industrial and commercial electronics.

Single Zener Diodes Replacement Considerations

Direct replacements include other SMBG4744 variants from different manufacturers offering identical 15V, 1.25W specifications in the DO-214AA package. Verify pinout compatibility and thermal resistance values before substitution. Generic equivalents may vary in leakage current and impedance characteristics.