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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 11V SOT-23-3
- Series：AZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：11 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：20 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 8.5 V
- Operating Temperature：-55°C ~ 150°C
- Grade：Automotive
- Qualification：AEC-Q101
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23-3
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Overview
The AZ23C11-HE3-08 is a dual common anode silicon planar Zener diode array from the Vishay AZ23 series, housed in an SOT-23 package. It features a nominal Zener voltage of 11 V with a ±5% tolerance (indicated by 'C'). The device operates at a test current of 5 mA and has a maximum reverse leakage current of 0.1 µA at 8.5 V. Dynamic resistance is specified at 20 Ω, with a temperature coefficient ranging from 5 to 9 x 10⁻⁴/°C. It is AEC-Q101 qualified for automotive applications and RoHS compliant.
Feature Summary
- Dual common anode configuration within a compact SOT-23 surface-mount package
- AEC-Q101 qualified for automotive reliability standards
- ESD protection capability exceeding 8 kV via human body model
Applications
- Automotive circuit voltage regulation
- Overvoltage protection in electronic assemblies
- Reference voltage generation in signal conditioning circuits
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm that the ordering suffix matches the required tape-and-reel specifications and packaging format. Ensure compliance with RoHS directives and AEC-Q101 qualification requirements before finalizing procurement orders.
Selection Notes
Select this part when a dual Zener array with a common anode is required in an SOT-23 footprint. The HE3_A suffix indicates AEC-Q101 qualification suitable for automotive environments. Verify that the 11 V nominal voltage and ±5% tolerance align with the specific circuit design requirements.
Part Context
This component belongs to the Vishay AZ23 series of small signal Zener diodes. The series offers various voltage options graded to the E24 standard. The AZ23C11 variant specifically provides the 11 V nominal rating within this lineup of dual common anode arrays designed for surface-mount technology.
Replacement Considerations
AZ23C11-E3-08
FAQ
What does the 'HE3' suffix indicate?
The HE3 suffix denotes a lead-free, halogen-free, and BFR-free device that is also AEC-Q101 qualified.
What is the dynamic resistance specification?
The dynamic resistance (ZZ) is specified as a maximum of 20 Ω at the test current of 5 mA.
Is this component suitable for high-voltage applications?
No, the nominal Zener voltage is 11 V, which classifies it for low-voltage signal processing and reference applications rather than high-voltage power systems.
