SMBG5945C/TR13

Single Zener Diodes Overview

The SMBG5945C/TR13 is a single Zener diode manufactured by Microsemi Corporation, designed for surface-mount applications in the DO-214AA (SMBG) package. It features a nominal Zener voltage of 68 V with a tight tolerance of ±2%. The device supports a maximum power dissipation of 2 W and operates within a temperature range of -65°C to +150°C. Key electrical characteristics include a reverse leakage current of 1 µA at 51.2 V and a forward voltage of 1.2 V at 200 mA.

Single Zener Diodes Feature Summary

• High precision voltage regulation with ±2% tolerance
• Robust thermal performance for high-temperature environments
• Compact surface-mount packaging for automated assembly

Single Zener Diodes Applications

• Voltage reference circuits requiring stable 68 V levels
• Over-voltage protection in industrial equipment
• Clamping applications in high-power surface-mount designs

Single Zener Diodes Procurement Notes

Verify component authenticity through official Microsemi channels or authorized distributors. Confirm RoHS compliance status as historical data indicates potential non-compliance for this specific suffix. Check for End-of-Life (EOL) notifications, as the SMBG59xx series has been subject to discontinuation notices. Ensure the TR13 tape-and-reel specification matches production requirements.

Single Zener Diodes Selection Notes

Select this component when precise 68 V regulation is required in a 2 W surface-mount form factor. The ±2% tolerance makes it suitable for applications demanding tighter voltage stability than standard ±5% devices. Consider the DO-214AA footprint compatibility during PCB layout. Evaluate thermal management needs given the 150°C maximum junction temperature rating.

Single Zener Diodes Part Context

This part belongs to the SMBG5913-5956,e3 series of single Zener diodes from Microsemi. These components are engineered for general-purpose voltage regulation and protection in compact electronic assemblies. The SMBG package provides a balance of power handling and space efficiency for surface-mount technology implementations.

Single Zener Diodes Replacement Considerations

Publicly confirmed substitute part numbers for SMBG5945C/TR13 were not identified in the provided source material. Cross-reference with SMBG5945BE3/TR13 or SMBG5945AE3/TR13 only if tolerance differences (±10%) are acceptable.