SMBG5942B/TR13

Single Zener Diodes Overview

The SMBG5942B/TR13 is a surface-mount Zener diode manufactured by Microsemi Corporation, housed in the DO-214AA (SMB) package. It features a nominal Zener voltage of 51 V with a tolerance of ±5%. The device is rated for a maximum power dissipation of 2 W at ambient temperatures up to 75°C. It operates within a junction temperature range of -55°C to +175°C and includes an internal thermal guard circuit to prevent damage from excessive heat.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation for sensitive electronic circuits
• Incorporates internal thermal protection mechanisms
• Designed for high-reliability surface-mount applications

Single Zener Diodes Applications

• Voltage regulation in power supply circuits
• Overvoltage protection for input lines
• Clamping applications in signal processing

Single Zener Diodes Procurement Notes

Verify component authenticity through authorized channels due to potential availability issues. Confirm RoHS compliance status as the specific suffix may indicate non-compliance. Check current lifecycle status, as this part may be discontinued or subject to limited distribution. Ensure storage conditions meet manufacturer specifications to maintain performance integrity.

Single Zener Diodes Selection Notes

Select this component when a precise 51 V reference is required in a compact surface-mount form factor. Consider the 2 W power rating against expected surge currents and duty cycles. Evaluate the DO-214AA footprint compatibility with existing PCB layouts. Verify that the ±5% tolerance aligns with system voltage stability requirements.

Single Zener Diodes Part Context

This component belongs to the SMBG series of single Zener diodes, designed for general-purpose voltage regulation and protection. The series offers various voltage options within the same mechanical package, allowing for design flexibility. Microsemi utilizes advanced semiconductor processes to ensure robust performance in demanding environments.

Single Zener Diodes Replacement Considerations

Direct substitutes include SMBG5942A/TR13 and SMBG5942BE3/TR13. These alternatives share identical electrical characteristics and physical dimensions. Verify pinout compatibility and thermal management requirements before implementation.