SMAJ5940BQ-TP

Single Zener Diodes Overview

The SMAJ5940BQ-TP is a Zener diode manufactured by Micro Commercial Components (MCC). It features a nominal Zener voltage of 43 V with a tolerance of ±5%. The device has a maximum power dissipation of 1.5 W and operates within a temperature range of -65°C to +150°C. It utilizes the DO-214AC (SMA) surface-mount package, measuring 4.6 mm in length, 2.9 mm in width, and 2.44 mm in height. Key electrical characteristics include a maximum reverse leakage current of 500 nA and a Zener impedance of 53 Ohms at a test current of 8.7 mA.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation at 43 V for circuit protection applications
• Designed for surface-mount assembly using the compact DO-214AC package
• Capable of operating reliably across an extended industrial temperature range

Single Zener Diodes Applications

• Voltage reference circuits requiring precise regulation
• Over-voltage protection in electronic systems
• Clamping applications in signal processing paths

Single Zener Diodes Procurement Notes

Verify the specific suffix 'Q' against the official MCC datasheet to confirm any distinct qualification or packaging variations compared to the standard SMAJ5940B-TP. Ensure compatibility with RoHS3 and REACH standards as documented by the manufacturer. Confirm availability through authorized distributors, as supply status may vary by region.

Single Zener Diodes Selection Notes

Select this component when a 43 V Zener voltage with 1.5 W power handling is required in a surface-mount format. The DO-214AC package offers space efficiency for PCB designs. Consider the ±5% tolerance and 53 Ohm impedance for precision requirements. Verify thermal management capabilities for operation up to 150°C junction temperature.

Single Zener Diodes Part Context

This part belongs to the SMAJ series of Zener diodes from Micro Commercial Components. The series is characterized by its use in transient suppression and voltage regulation roles. The SMAJ5940 variant specifically targets the 43 V breakdown voltage segment within the broader product line.

Single Zener Diodes Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Cross-referencing should be performed carefully based on exact electrical parameters and package dimensions.