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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 15V SOT-23-3
- Series：AZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：15 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：30 Ohms
- Current - Reverse Leakage @ Vr：50 nA @ 10.5 V
- Operating Temperature：150°C (TJ)
- Grade：Automotive
- Qualification：AEC-Q101
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23-3
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Overview
The AZ23C15-HE3_A-08 is a dual common-anode silicon planar Zener diode array from Vishay, housed in an SOT-23 package. It features a nominal Zener voltage of 15 V with a ±5% tolerance and a maximum power dissipation of 300 mW on an FR-4 board. The device operates within a temperature range of -55 °C to +150 °C and includes AEC-Q101 qualification for automotive applications.
Feature Summary
- Dual common-anode configuration providing two independent Zener references in a single compact surface-mount package.
- AEC-Q101 qualified construction designed to meet rigorous automotive reliability standards.
- ESD protection capability exceeding 8 kV via human body model and 800 V via machine model.
Applications
- Automotive electronic circuits requiring robust ESD protection and stable voltage reference.
- Signal conditioning and clamping in high-reliability industrial control systems.
- Over-voltage protection stages in consumer electronics utilizing small form-factor designs.
Procurement Notes
Verify the specific HE3_A suffix ensures AEC-Q101 automotive qualification rather than standard commercial grade. Confirm that the tape-and-reel packaging matches the required 3000 units per reel specification for automated assembly lines. Cross-reference the RoHS compliance status against current environmental regulations before finalizing procurement orders.
Selection Notes
Select this component when a dual Zener solution is required in an SOT-23 footprint. Ensure the 15 V nominal voltage aligns with circuit requirements, noting the ±5% tolerance band. Verify that the 300 mW power dissipation limit on FR-4 boards is sufficient for the expected thermal environment during operation.
Part Context
This part belongs to the AZ23 series of small signal Zener diodes manufactured by Vishay Semiconductors. The series offers various voltage grades according to the E24 standard and supports both commercial and automotive-grade configurations within the same physical SOT-23 package family.
Replacement Considerations
AZ23C15-E3-08
FAQ
What is the difference between the HE3_A and E3 ordering suffixes?
The HE3_A suffix indicates the device is AEC-Q101 qualified for automotive applications, whereas the E3 suffix denotes a standard commercial grade product.
How is the internal structure configured?
The device contains two Zener diodes connected in a common-anode configuration within a single SOT-23 package.
