AZ23C5V6-HE3_A-18

Overview

The AZ23C5V6-HE3_A-18 is a silicon planar Zener diode array from the Vishay AZ23 series, housed in an SOT-23 package. It features a common anode configuration with two independent diodes sharing a single terminal. The nominal Zener voltage is 5.6 V with a tolerance of ±5%. Electrical characteristics are defined at a test current of 5 mA, with a maximum dynamic resistance of 40 Ω and a reverse leakage current of 1 μA. The device is AEC-Q101 qualified for automotive applications and supports an operating temperature range from -55 °C to +150 °C.

Feature Summary

• Dual Zener diodes integrated into a single common anode structure within a compact surface-mount footprint.
• Qualified for automotive environments under the AEC-Q101 standard, ensuring reliability in demanding conditions.
• High electrostatic discharge protection capability exceeding 8 kV via human body model and 800 V via machine model.

Applications

• Voltage reference circuits requiring dual stable potential sources.
• Overvoltage protection stages in automotive electronic control units.
• Clamping networks for signal conditioning and transient suppression.

Procurement Notes

Verify that the specific ordering suffix matches the required tape and reel packaging format. Confirm that the component meets the necessary AEC-Q101 qualification standards for your target application environment. Ensure compatibility with RoHS compliance requirements before finalizing procurement specifications.

Selection Notes

Select this part when a dual Zener array with a common anode topology is required in a small outline transistor package. The 5.6 V nominal rating suits applications needing precise voltage regulation or clamping near the 5 V logic level. Consider the thermal resistance values when designing heat dissipation strategies for high-density layouts.

Part Context

This component belongs to the broader AZ23 series of small signal Zener diodes manufactured by Vishay Semiconductors. The series offers various voltage grades and tolerance options across different packaging formats. The HE3_A suffix specifically denotes the AEC-Q101 qualified variant intended for automotive-grade deployment.

Replacement Considerations

AZ23C5V6-E3-18