BZD27C91P-HE3-08

Single Zener Diodes Overview

The BZD27C91P-HE3-08 is a silicon planar Zener diode from the Vishay BZD27C series, housed in an SMF (DO-219AB) surface-mount package. It provides a nominal Zener voltage of 91 V with a tolerance range of 85 V to 96 V at a test current of 5 mA. The device supports a maximum power dissipation of 800 mW and features low leakage current of 5 µA at 75 V reverse bias. Dynamic resistance is specified at 60 Ω maximum, with a temperature coefficient between 0.08 %/°C and 0.13 %/°C. It is AEC-Q101 qualified for automotive applications.

Single Zener Diodes Feature Summary

• AEC-Q101 qualified for automotive reliability standards
• Low profile surface-mount SMF (DO-219AB) package design
• Specified surge current capability for transient protection
• Excellent stability with low leakage current characteristics

Single Zener Diodes Applications

• Voltage regulation in automotive electronic circuits
• Transient voltage suppression in high-reliability systems
• Reference voltage generation in precision measurement equipment

Single Zener Diodes Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm that the ordering code matches the specific HE3 suffix for AEC-Q101 qualification. Ensure storage conditions comply with MSL level 1 requirements prior to soldering. Validate datasheet revision against the production batch date code to ensure specification accuracy.

Single Zener Diodes Selection Notes

Select this component when a 91 V Zener voltage is required in a compact surface-mount form factor. The HE3 suffix indicates compliance with RoHS directives and inclusion of automotive-grade qualification under AEC-Q101. Consider the dynamic resistance and temperature coefficient for precision applications requiring stable voltage regulation across varying thermal conditions.

Single Zener Diodes Part Context

This part belongs to the Vishay BZD27C series of Zener diodes designed for general-purpose voltage regulation and protection. The series offers a wide voltage range from 3.6 V to 200 V in the SMF package. The HE3 variant specifically denotes AEC-Q101 qualification, distinguishing it from the commercial grade E3 variants within the same physical footprint and electrical family.

Single Zener Diodes Replacement Considerations

BZD27C91P-E3-08

Single Zener Diodes FAQ

What is the marking code for the BZD27C91P?

The marking code for the BZD27C91P is G4.

Does the HE3 suffix indicate a different electrical function than the E3 suffix?

No, the HE3 suffix indicates AEC-Q101 qualification and RoHS compliance, while maintaining the same electrical specifications as the commercial grade E3 version.