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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：±5%
- 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 AZ23C2V2-HE3_A-18 is a silicon planar Zener diode from the Vishay AZ23 series, housed in an SOT-23 surface-mount package. It features a nominal Zener voltage of 2.2 V with a ±5% tolerance and operates at a test current of 5 mA. The device has a maximum reverse leakage current of 1 μA and a dynamic resistance of 100 Ω. It is AEC-Q101 qualified for automotive applications and offers high ESD protection exceeding 8 kV (HBM) and 800 V (MM). Power dissipation reaches 500 mW on FR-4 boards, with an operating temperature range of -55 °C to +150 °C.
Feature Summary
- Dual common anode configuration within a compact SOT-23 footprint
- AEC-Q101 qualification ensuring reliability for automotive environments
- High electrostatic discharge robustness per human body and machine models
- RoHS-compliant construction utilizing advanced silicon planar technology
Applications
- Automotive voltage reference circuits
- Overvoltage protection for sensitive electronic components
- Clamping applications in mobile communication devices
Procurement Notes
Verify the specific ordering code suffix against official documentation to confirm tape-and-reel quantities and packaging dimensions. Ensure that the HE3_A designation aligns with required AEC-Q101 automotive qualification standards before finalizing procurement orders.
Selection Notes
Select this component when a low-voltage Zener reference with tight tolerance is required in space-constrained designs. Confirm that the 2.2 V breakdown voltage matches the circuit requirements and verify thermal management capabilities for the intended power dissipation levels.
Part Context
This part belongs to the AZ23 series of small signal Zener diodes manufactured by Vishay Semiconductors. The series provides a wide range of standardized voltages based on the E24 standard, catering to diverse general-purpose and automotive electronics applications requiring precise voltage regulation.
Replacement Considerations
Direct replacements must match the SOT-23 package, 2.2 V nominal voltage, and AEC-Q101 qualification. Verify pinout compatibility and electrical characteristics such as dynamic resistance and leakage current to ensure seamless integration into existing designs.
FAQ
What is the marking code for the AZ23C2V2-HE3_A-18?
The marking code for this device is D77.
Does the AZ23C2V2-HE3_A-18 meet automotive standards?
Yes, it is AEC-Q101 qualified for automotive applications.
What is the maximum reverse leakage current specified?
The maximum reverse leakage current is 1 μA at the specified test conditions.
