BZD27B33P-HE3-18

Single Zener Diodes Overview

The BZD27B33P-HE3-18 is a silicon planar Zener diode from Vishay Semiconductors, designed for surface-mount applications in the SMF (DO-219AB) package. It features a nominal Zener voltage of 33 V with a ±2% tolerance and operates at a test current of 25 mA. The device supports a maximum power dissipation of 800 mW at 30 °C ambient temperature and up to 2.3 W at 105 °C case temperature. It includes surge current specifications, low leakage current, and excellent stability. The component is AEC-Q101 qualified and RoHS compliant.

Single Zener Diodes Feature Summary

• AEC-Q101 qualified for automotive electronics reliability
• Low profile surface-mount SMF (DO-219AB) package
• Surge current specification capability
• RoHS compliant construction

Single Zener Diodes Applications

• Automotive electronic circuits requiring AEC-Q101 compliance
• Voltage regulation in surface-mount designs
• Transient voltage suppression applications

Single Zener Diodes Procurement Notes

Verify the specific ordering code suffix against official documentation to confirm packaging details and qualification status. Confirm that the HE3 designation aligns with required environmental standards. Ensure compatibility with standard reflow soldering profiles as defined in the datasheet thermal characteristics.

Single Zener Diodes Selection Notes

Select this component when an AEC-Q101 qualified Zener diode with a 33 V breakdown voltage is required in a compact surface-mount form factor. Consider the 25 mA test current and 800 mW power rating for thermal management. Verify that the SMF package dimensions fit the target PCB layout constraints.

Single Zener Diodes Part Context

This part belongs to the BZD27B series of Zener diodes with surge current specifications. The series offers 43 breakdown voltages ranging from 3.6 V to 200 V with ±2% tolerance. The BZD27B33P variant specifically provides a 33 V nominal voltage point within this range, utilizing the eSMP branding and SMF package outline.

Single Zener Diodes Replacement Considerations

Consult the manufacturer's PCN or replacement lists for obsolete variants. Cross-reference with other Vishay BZD27B series parts if voltage or package differences are acceptable.