PTZTFTE2511B

Single Zener Diodes Overview

The PTZTFTE2511B is a single-channel Zener diode manufactured by ROHM Semiconductor, designed for surface-mount applications. It features a nominal Zener voltage of 11V with a maximum power dissipation of 1W. The component utilizes the DO-214AC (SMA) package and meets AEC-Q101 automotive qualification standards. Key electrical parameters include a maximum dynamic impedance of 8Ω and a maximum reverse leakage current of 10µA at 11V. It operates within a temperature range of -55°C to +150°C junction temperature.

Single Zener Diodes Feature Summary

• High surge withstand capability for robust circuit protection
• Automotive-grade reliability compliant with AEC-Q101 standards
• Compact surface-mount design suitable for space-constrained PCBs

Single Zener Diodes Applications

• Voltage regulation in automotive electronic control units
• Transient voltage suppression in high-reliability circuits
• Reference voltage generation in industrial sensor interfaces

Single Zener Diodes Procurement Notes

Verify the specific suffix 'FTE' against official ROHM documentation to confirm exact electrical tolerances and packaging variations. Ensure the procurement channel provides valid traceability for AEC-Q101 qualified components. Cross-reference the part number with the latest datasheet to confirm availability status, as standard series may have designated obsolescence or replacement notices.

Single Zener Diodes Selection Notes

Select this component when an 11V Zener reference is required in automotive environments demanding high thermal stability. The DO-214AC package offers higher power handling than smaller SMD packages. Verify that the 8Ω dynamic impedance meets the noise sensitivity requirements of the target application. Confirm compatibility with automated pick-and-place equipment due to the SMA footprint dimensions.

Single Zener Diodes Part Context

This device belongs to ROHM's PTZT series of small power plastic Zener diodes. The series is engineered for high ESD tolerance and compact mounting. Unlike the non-automotive PTZTE variants, the PTZTFTE designation indicates compliance with strict automotive quality standards, ensuring performance consistency under varying thermal and mechanical stresses found in vehicle systems.

Single Zener Diodes Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult ROHM technical support for direct replacements if this specific automotive-grade variant is discontinued.