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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：50 nA @ 15.4 V
- Operating Temperature：150°C (TJ)
- 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_A-18 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 22 V with a ±5% tolerance and a maximum power dissipation of 300 mW on an FR-4 board. The device operates within a temperature range of -55 °C to +150 °C and includes AEC-Q101 qualification for automotive applications.
Feature Summary
- AEC-Q101 qualified for automotive reliability standards
- Dual common anode configuration for space-efficient designs
- ESD protection exceeding 8 kV (HBM) and 800 V (MM)
- RoHS-compliant construction without halogenated materials
Applications
- Automotive electronic circuit protection
- Voltage reference stabilization in compact modules
- Transient voltage suppression in signal lines
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm that the ordering suffix matches the specific tape-and-reel quantity and packaging requirements. Ensure compliance with RoHS directives and material categorization standards before finalizing procurement orders.
Selection Notes
Select this variant when automotive-grade reliability and ESD robustness are required. The HE3_A suffix indicates AEC-Q101 qualification, distinguishing it from commercial grade parts. Verify thermal management capabilities against the 300 mW dissipation limit on standard PCB footprints.
Part Context
This part belongs to the AZ23 series of small signal Zener diodes manufactured by Vishay General Semiconductor - Diodes Division. The series offers various voltage ratings and tolerance options, with the HE3_A designation specifically denoting automotive qualification and RoHS compliance.
Replacement Considerations
AZ23C22-E3-18
FAQ
What is the dynamic resistance of the AZ23C22-HE3_A-18?
The maximum dynamic resistance (ZZ) at the test current IZT1 is 55 Ohms.
Does the AZ23C22-HE3_A-18 meet automotive standards?
Yes, the HE3_A suffix indicates that the device is AEC-Q101 qualified.
What is the reverse leakage current specification?
The maximum reverse leakage current (IR) is 0.05 µA at a reverse voltage (VR) of 17 V.
