SMBJ4757E3/TR13

Single Zener Diodes Overview

The SMBJ4757E3/TR13 is a single-channel Zener diode manufactured by Microchip Technology in the SMB (DO-214AA) surface-mount package. It features a nominal breakdown voltage of 51 V with a power dissipation rating of 2 W. The device operates within a temperature range of -65 °C to +150 °C junction temperature and utilizes SMD/SMT termination. The component is RoHS compliant and supplied in reel packaging.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation at a 51 V nominal level
• Designed for surface-mount assembly via SMB (DO-214AA) footprint
• Capable of operating reliably across extended industrial temperature ranges

Single Zener Diodes Applications

• Voltage reference circuits requiring 51 V stabilization
• Over-voltage protection in low-power electronic systems
• Clamping applications in signal conditioning paths

Single Zener Diodes Procurement Notes

Verify the specific suffix 'e3' confirms lead-free compliance and 'TR13' indicates reel packaging configuration. Confirm the manufacturer is Microchip Technology, as distributor listings may vary. Ensure the 51 V specification matches the design requirement, distinguishing it from transient voltage suppression variants in the same series.

Single Zener Diodes Selection Notes

Select this component when a fixed 51 V Zener reference is required in a compact SMB package. Compare against standard DO-214AA equivalents if higher power handling is needed. Verify thermal management requirements for continuous operation at 2 W dissipation. Ensure polarity orientation aligns with the circuit design for reverse-bias regulation.

Single Zener Diodes Part Context

This part belongs to the SMBJ series of semiconductor diodes produced by Microchip Technology. While the series includes Transient Voltage Suppression (TVS) diodes, this specific model is identified as a Zener diode. It shares the physical SMB package dimensions with other components in the family but differs in electrical function and power rating.

Single Zener Diodes Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Cross-referencing requires matching the 51 V Zener voltage, 2 W power rating, and DO-214AA package constraints.