AZ23B10-HE3-08

Overview

The AZ23B10-HE3-08 is a dual common anode Zener diode array manufactured by Vishay General Semiconductor - Diodes Division. It features a nominal Zener voltage of 10 V with a tight tolerance of ±2%. The device operates within a test current range of 0.1 to 5 mA and exhibits a maximum reverse leakage current of 0.1 µA at 7.5 V. Dynamic resistance is specified at 15 Ω, while the temperature coefficient ranges from 5 to 8 x 10⁻⁴/°C. Rated for power dissipation up to 500 mW, it supports an operating temperature range of -55 °C to +150 °C and is housed in a compact SOT-23 package.

Feature Summary

• Dual common anode configuration providing two independent Zener references in a single surface-mount package
• High precision voltage grading with ±2% tolerance for stable reference applications
• Automotive-grade qualification compliant with AEC-Q101 standards for enhanced reliability
• Robust electrostatic discharge protection exceeding 8 kV via human body model

Applications

• Precision voltage reference circuits requiring dual channels
• Over-voltage protection stages in automotive electronic control units
• Signal conditioning and clamping networks in industrial instrumentation
• Power supply monitoring and threshold detection systems

Procurement Notes

Verify component authenticity through authorized distribution channels or direct manufacturer engagement. Confirm that the ordering suffix HE3_A corresponds to AEC-Q101 qualified automotive grade status as defined in official documentation. Ensure compliance with RoHS3 directives and material categorization requirements prior to integration into final assemblies.

Selection Notes

Select this variant when strict voltage accuracy within ±2% is required alongside automotive reliability standards. The HE3_A suffix denotes specific qualification distinct from commercial grades. Evaluate thermal management needs against the 500 mW dissipation limit and ensure the SOT-23 footprint aligns with PCB layout constraints for optimal heat transfer.

Part Context

This component belongs to the AZ23 series of small signal Zener diodes produced by Vishay Semiconductors. The series offers a wide range of standardized voltages based on the E24 standard. The AZ23B10-HE3-08 specifically represents the 10 V variant with high precision tolerance and automotive qualification, distinguishing it from lower-tolerance or commercial-grade counterparts within the same family.

Replacement Considerations

AZ23B10-E3-08 (Commercial Grade)

FAQ

What does the 'HE3_A' suffix indicate regarding qualification?

The 'HE3_A' suffix designates that the device is qualified according to the AEC-Q101 automotive standard, ensuring suitability for demanding automotive environments compared to commercial grade variants.

How is the dynamic resistance specified for this part?

The dynamic resistance (ZZ) is specified at a test current of 5 mA, with a maximum value of 15 Ω measured at a frequency of 1 kHz.

What is the maximum power dissipation rating?

The absolute maximum power dissipation is rated at 500 mW, dependent on the thermal resistance conditions provided in the datasheet.