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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：±2%
- 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 AZ23B22-HE3-08 is a dual common anode silicon planar Zener diode array manufactured by Vishay General Semiconductor - Diodes Division. It features a nominal Zener voltage of 22 V with a tight tolerance of ±2%. The device operates within a junction temperature range of -55 °C to +150 °C and provides an ESD protection capability exceeding 8 kV via the human body model. Packaged in a compact SOT-23 surface-mount housing, it is AEC-Q101 qualified for automotive reliability standards.
Feature Summary
- Dual common anode configuration integrating two Zener diodes into a single package
- AEC-Q101 qualification ensuring compliance with automotive electronic component standards
- High electrostatic discharge robustness rated above 8 kV using the human body model
Applications
- Automotive circuitry requiring precise voltage regulation under strict environmental conditions
- ESD protection networks for sensitive signal lines in vehicle electronics
- Voltage reference applications utilizing the stable dual-diode common anode topology
Procurement Notes
Verify that the ordering code strictly matches AZ23B22-HE3-08 to confirm the specific combination of 22 V nominal voltage, ±2% tolerance, and AEC-Q101 automotive qualification. Confirm the suffix indicates the standard 3000-unit reel packaging format before finalizing procurement orders.
Selection Notes
Select this component when a dual Zener array with high precision is required for automotive environments. The HE3_A suffix denotes the necessary AEC-Q101 qualification level. Ensure the design accommodates the 22 V breakdown voltage and the thermal constraints associated with the SOT-23 package footprint.
Part Context
This part belongs to the AZ23 series of small signal Zener diodes from Vishay Semiconductors. The series offers a wide range of graded voltages up to 75 V. The B designation specifies the tighter ±2% tolerance band compared to the standard C grade, while the HE3_A suffix confirms its suitability for demanding automotive applications.
Replacement Considerations
AZ23B22-E3-08 (Commercial Grade)
FAQ
What does the 'B' indicate in the part number AZ23B22?
The letter 'B' signifies that the Zener voltage tolerance is ±2%, which is tighter than the standard ±5% tolerance indicated by 'C'.
Is the AZ23B22-HE3-08 suitable for automotive use?
Yes, the HE3_A suffix indicates that the device is AEC-Q101 qualified, making it suitable for automotive electronic applications.
What is the maximum ESD rating for this component?
According to AEC-Q101 standards, the device has an ESD capability greater than 8 kV using the human body model and greater than 800 V using the machine model.
