SMZJ3801A-E3/52

Single Zener Diodes Overview

The SMZJ3801A-E3/52 is a surface mount power voltage-regulating diode manufactured by Vishay General Semiconductor. It features a nominal Zener voltage of 33 V with a tolerance range of 31.4 V to 34.7 V at a test current of 11.4 mA. The device dissipates up to 1500 mW and operates within a junction temperature range of -55 °C to +150 °C. Packaged in the DO-214AA (SMBJ) case, it exhibits a maximum Zener impedance of 33 Ω and a maximum reverse leakage current of 5 μA at 25.1 V.

Single Zener Diodes Feature Summary

• Glass passivated chip junction for enhanced reliability
• Low profile package suitable for automated placement
• Low Zener impedance and low regulation factor

Single Zener Diodes Applications

• General purpose voltage regulation
• Circuit protection applications

Single Zener Diodes Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and AEC-Q101 qualification requirements against specific project needs. Validate datasheet revisions and ordering suffixes to ensure correct packaging and material categorization before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component for designs requiring stable voltage reference in surface mount layouts. Ensure thermal management accommodates the 1500 mW dissipation limit at elevated ambient temperatures. Verify that the 33 V breakdown voltage aligns with circuit requirements and that the DO-214AA footprint matches the PCB layout constraints.

Single Zener Diodes Part Context

This part belongs to the SMZJ series of surface mount power voltage-regulating diodes from Vishay. The series covers a wide Zener voltage range from 9.1 V to 68 V. These components are designed for general-purpose regulation and protection tasks, offering robust performance in compact electronic assemblies.

Single Zener Diodes Replacement Considerations

Direct substitutes include other Vishay parts within the SMZJ3788B thru SMZJ3809B series that match the 33 V specification, such as SMZJ3801B-E3/52.