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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 2.2V SOT-23-3
- Series：AZ23
- Mfr：Vishay
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：2.2 V
- Tolerance：±2%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：120 Ohms
- Current - Reverse Leakage @ Vr：100 µA @ 1 V
- Operating Temperature：150°C (TJ)
- Grade：Automotive
- Qualification：AEC-Q101
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23-3
- Voltage - Forward (Vf) (Max) @ If：-
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Overview
The Vishay AZ23B2V2-HE3_A-08 is a silicon planar Zener diode array configured as a dual common anode device. It operates within the AZ23 series and provides a nominal Zener voltage of 2.2 V with a tight tolerance of ±2%. The component is housed in a compact SOT-23 surface-mount package, suitable for automated assembly processes. It is qualified to AEC-Q101 standards for automotive applications and features high electrostatic discharge protection capabilities exceeding 8 kV via the human body model.
Feature Summary
- Dual common anode configuration integrates two Zener diodes into a single compact footprint.
- AEC-Q101 qualification ensures reliability and suitability for demanding automotive electronic environments.
- High ESD capability protects sensitive circuitry from static discharge events during handling or operation.
Applications
- Automotive electronics requiring robust voltage regulation under strict quality standards
- ESD protection circuits for signal lines and data interfaces
- Voltage reference applications in low-voltage power management systems
Procurement Notes
Verify that the ordering code matches the specific suffix requirements for your project. Confirm the HE3_A suffix indicates AEC-Q101 qualification rather than commercial grade. Ensure the B designation aligns with the required ±2% voltage tolerance. Cross-reference the datasheet revision date against manufacturing records to confirm current production status.
Selection Notes
Select this part when a dual common anode topology is required to save board space. The ±2% tolerance makes it suitable for precision references where standard 5% parts are insufficient. Verify that the 2.2 V nominal voltage fits the target circuit design constraints. Consider the SOT-23 package dimensions for mechanical fitment in dense layouts.
Part Context
This component belongs to the Vishay AZ23 series of small signal Zener diodes. The series offers a wide range of voltages from 2.2 V to 75 V. The HE3_A suffix specifically denotes RoHS compliance combined with AEC-Q101 automotive qualification. The 'B' character in the part number indicates the tighter 2% voltage tolerance variant.
Replacement Considerations
AZ23C2V2-HE3_A-08 (5% tolerance)
FAQ
What does the 'B' indicate in the part number?
The 'B' indicates a voltage tolerance of ±2%, which is tighter than the standard ±5% tolerance found in 'C' variants.
Is this component suitable for automotive use?
Yes, the HE3_A suffix confirms that the device is qualified to the AEC-Q101 standard for automotive applications.
What is the maximum reverse leakage current?
The maximum reverse leakage current is specified as 1 µA at a reverse voltage of 1 V.
