AZ23B9V1-E3-18

Overview

The AZ23B9V1-E3-18 is a silicon planar Zener diode array manufactured by Vishay General Semiconductor - Diodes Division. It features a dual common anode configuration housed in an SOT-23 surface-mount package. The nominal Zener voltage is 9.1 V with a tight tolerance of ±2%. Electrical characteristics include a maximum reverse leakage current of 0.1 µA at 7 V and a dynamic resistance of 10 Ω at a test current of 5 mA. The device supports a maximum power dissipation of 300 mW on an FR-4 board and operates within a temperature range of -55 °C to +150 °C.

Feature Summary

• Dual common anode configuration for space-efficient circuit designs
• Tight voltage tolerance of ±2% for precision regulation applications
• ESD protection capability exceeding 8 kV via human body model

Applications

• Precision voltage reference circuits
• Overvoltage protection stages
• Signal clamping applications

Procurement Notes

Verify the specific ordering code suffix against official documentation to confirm packaging quantity and reel specifications. Ensure that the component meets RoHS compliance requirements for the intended manufacturing process. Cross-reference the manufacturer product number with authorized distributors to validate authenticity and traceability before finalizing procurement orders.

Selection Notes

Select this component when a precise 9.1 V reference is required with strict tolerance limits. The common anode topology allows for efficient layout in dual-diode configurations. Verify that the thermal resistance and power dissipation ratings align with the ambient operating conditions of the target application environment.

Part Context

This part belongs to the AZ23 series of small signal Zener diodes from Vishay. The series offers a wide range of graded voltages according to the E24 standard. Variants are available with different tolerances, indicated by 'C' for ±5% or 'B' for ±2%, and various packaging options including tape and reel formats.

Replacement Considerations

Publicly confirmed substitute part numbers for this specific component were not identified in the provided source material.