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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 22V SOT-23-3
- Series：AZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：22 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：55 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 17 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 AZ23C22-HE3-08 is a dual common anode silicon planar Zener diode array from the Vishay AZ23 series, housed in an SOT-23 surface-mount package. It provides a nominal Zener voltage of 22 V with a tolerance of ±5 %. The device operates within a junction temperature range of -55 °C to +150 °C and supports a maximum power dissipation of 300 mW on an FR-4 board. Key electrical characteristics include a reverse leakage current of 50 μA maximum at 17 V and a dynamic resistance of 55 Ω at a test current of 5 mA.
Feature Summary
- Dual common anode configuration for space-efficient circuit design
- AEC-Q101 qualified for automotive reliability standards
- ESD protection capability exceeding 8 kV via human body model
Applications
- Automotive electronic circuits requiring AEC-Q101 compliance
- Voltage reference applications utilizing dual independent channels
- Protection circuits leveraging integrated ESD suppression capabilities
Procurement Notes
Verify component authenticity by cross-referencing the manufacturer's part number against official Vishay documentation. Confirm that the specific suffix indicates AEC-Q101 qualification status. Ensure the ordering code matches the required voltage tolerance and packaging specifications before finalizing procurement actions.
Selection Notes
Select this component when a dual-channel voltage reference or protection solution is required in a compact SOT-23 footprint. The AEC-Q101 qualification makes it suitable for automotive environments. Verify that the 22 V nominal voltage and 300 mW power dissipation align with the target circuit requirements.
Part Context
This component 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. The HE3_A suffix specifically denotes RoHS-compliant devices that meet AEC-Q101 automotive qualification standards.
Replacement Considerations
AZ23C22-E3-08 (Commercial grade, non-automotive)
FAQ
What does the 'HE3_A' suffix indicate for this part?
The 'HE3_A' suffix indicates that the device is RoHS-compliant and has been qualified according to the AEC-Q101 automotive reliability standard.
What is the ESD protection rating of the AZ23C22-HE3-08?
The device provides ESD protection capability greater than 8 kV according to the human body model and greater than 800 V according to the machine model, as per AEC-Q101.
How is the internal structure configured?
The device features a dual common anode configuration, containing two independent Zener diodes sharing a common anode terminal within a single SOT-23 package.
