PDZVTR20B

Single Zener Diodes Overview

The PDZVTR20B is a single Zener diode manufactured by Rohm Semiconductor, designed for surface-mount applications. It features a PMDS (SMA) package and offers a nominal Zener voltage of 20.8 V with a tolerance of ±6%. The device supports a maximum power dissipation of 1 W and operates within a junction temperature range up to 150°C. It complies with RoHS3 standards and carries an AEC-Q101 qualification, indicating suitability for automotive-grade environments.

Single Zener Diodes Feature Summary

• High ESD tolerance capability
• Compact plastic mold package design
• Automotive grade reliability certification

Single Zener Diodes Applications

• Voltage regulation circuits
• Constant voltage control systems
• Automotive electronic modules

Single Zener Diodes Procurement Notes

Verify the specific suffix 'B' against the official datasheet to confirm exact voltage tolerance and binning requirements. Ensure the PMDS package footprint matches the target PCB layout. Confirm RoHS3 compliance status if environmental regulations apply. Check for any obsolescence notices or recommended new design alternatives provided by the manufacturer.

Single Zener Diodes Selection Notes

Select this component when a 1 W surface-mount Zener diode with automotive qualification is required. The PMDS package provides a balance between power handling and board space efficiency. Consider the ±6% voltage tolerance for precision applications. Verify thermal management capabilities given the 1 W dissipation rating in the intended enclosure.

Single Zener Diodes Part Context

This part belongs to Rohm's series of small-power molded Zener diodes. It shares functional similarities with other devices in the PDZVT family but is distinguished by its specific voltage rating and package type. The series is engineered for high reliability in compact electronic designs requiring stable reference voltages.

Single Zener Diodes Replacement Considerations

PDZVTR20B is listed as a similar alternative to PTZTE2520B. Verify pinout compatibility and electrical parameter alignment before substitution.