BZD27C12P-E3-18

Single Zener Diodes Overview

The BZD27C12P-E3-18 is a silicon planar Zener diode from the Vishay eSMP series, housed in an SMF (DO-219AB) surface-mount package. It features a nominal Zener voltage of 12 V with a tolerance range of 11.4 V to 12.7 V at a test current of 50 mA. The device supports a maximum power dissipation of 800 mW at 30 °C and withstands non-repetitive peak surge currents up to 10 A. Operating temperatures span from -65 °C to +175 °C, with a low reverse leakage current of 3 µA maximum.

Single Zener Diodes Feature Summary

• Low profile surface-mount construction compatible with SOD-123W outlines
• High surge current capability for transient protection applications
• Low leakage current and excellent electrical stability
• ESD protection rated above 8 kV via human body model

Single Zener Diodes Applications

• Voltage regulation circuits requiring stable reference voltages
• Transient voltage suppression in electronic systems
• Protection against electrostatic discharge events
• Clamping applications for sensitive semiconductor components

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix '-E3-18' to confirm the reel quantity of 10,000 units per 13-inch tape. Ensure compatibility with standard reflow soldering profiles by checking the maximum peak temperature rating of 260 °C. Confirm RoHS compliance status through official manufacturer documentation before finalizing procurement specifications.

Single Zener Diodes Selection Notes

Select this component when a 12 V reference is required within a compact surface-mount footprint. Evaluate the thermal resistance parameters to ensure adequate heat dissipation under continuous operating conditions. Consider the dynamic impedance characteristics for precision regulation requirements and verify that the surge current ratings align with expected transient energy levels.

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 utilizes a standardized SMF package to facilitate automated assembly processes. Components are manufactured using silicon planar technology to ensure consistent performance across varying environmental conditions and operational lifespans.

Single Zener Diodes Replacement Considerations

Direct substitutes include other Vishay parts within the BZD27C family sharing identical voltage ratings and package dimensions. Cross-manufacturer replacements must match the DO-219AB outline and maintain equivalent electrical parameters such as Zener voltage tolerance and maximum power dissipation capabilities.

Single Zener Diodes FAQ

What is the maximum non-repetitive peak surge current for this device?

The device can withstand a non-repetitive peak reverse current of 10 A based on a 10/1000 µs waveform.

Does this component meet automotive reliability standards?

While the base E3 version is commercial grade, the series offers HE3 variants that are explicitly qualified according to AEC-Q101 standards.

What is the typical junction capacitance at zero bias?

Typical junction capacitance values vary by voltage; for the 12 V variant, it is approximately 10 pF at 0 V reverse voltage.