SMBJ4736A/TR13

Single Zener Diodes Overview

The SMBJ4736A/TR13 is a single Zener diode manufactured by Microchip Technology, designed for voltage regulation applications. It features a nominal Zener voltage of 6.8 V with a tolerance of +/- 5%. The device is rated for a power dissipation of 2.0 W and utilizes the SMB (DO-214AA) surface-mount package. Key electrical characteristics include a maximum reverse leakage current of 10 uA and a Zener impedance of 3.5 Ohms at a test current of 294 mA. The component operates within a temperature range of -65 C to +150 C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation with a 6.8 V nominal breakdown voltage.
• Capable of handling 2.0 W power dissipation in a compact SMB package.
• Offers tight voltage tolerance of +/- 5% for precision circuit requirements.

Single Zener Diodes Applications

• Voltage reference circuits
• Overvoltage protection stages
• Clamping applications in signal lines

Single Zener Diodes Procurement Notes

Verify component authenticity through authorized channels as this part number is listed as obsolete. Confirm availability of substitute components from Microchip Technology if production continuity is required. Ensure that any replacement parts meet the original electrical specifications and package dimensions to maintain design integrity.

Single Zener Diodes Selection Notes

Select this component for designs requiring a 6.8 V Zener reference in surface-mount layouts. Consider the 2.0 W power rating and SMB package size for thermal management and board space constraints. Verify that the 5% tolerance aligns with the circuit's voltage accuracy requirements before finalizing the bill of materials.

Single Zener Diodes Part Context

This component belongs to the SMBJ series of Zener diodes from Microchip Technology, which are optimized for surface-mount assembly. The series provides robust voltage regulation capabilities in standard DO-214AA packages, suitable for various industrial and commercial electronic applications requiring reliable voltage clamping or referencing.

Single Zener Diodes Replacement Considerations

Public confirmed substitutes include SMBJ4736Ae3/TR13. Verify compatibility with existing PCB footprints and electrical parameters when transitioning to alternative part numbers due to the obsolete status of the original component.