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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 22V SOT-23-3
- Series：AZ23-G
- 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：-
- Qualification：-
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23-3
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Overview
The AZ23B22-G3-08 is a dual common anode silicon planar Zener diode array from the Vishay AZ23-G series, housed in a SOT-23 surface-mount package. It features a nominal Zener voltage of 22 V with a tight tolerance of ±2%. The device operates at a test current of 5 mA and exhibits a maximum dynamic resistance of 55 Ω at this current level. Electrical characteristics are specified over an operating temperature range of -55 °C to +150 °C, with a power dissipation rating of 300 mW on a standard FR-4 board.
Feature Summary
- Dual common anode configuration for space-efficient circuit designs
- Tight ±2% Zener voltage tolerance for precision applications
- AEC-Q101 qualified ESD protection exceeding 8 kV HBM
Applications
- Precision voltage reference circuits requiring dual channels
- Overvoltage protection stages in signal conditioning paths
- Clamping networks in high-reliability automotive electronics
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to confirm tape-and-reel specifications and material compliance status. Ensure that the procurement channel sources components directly from authorized distributors to maintain traceability and guarantee adherence to the published electrical parameters and RoHS directives.
Selection Notes
Select the AZ23B22 variant when a nominal 22 V breakdown voltage with ±2% accuracy is required. The 'B' designation indicates the tighter tolerance compared to the 'C' grade. Confirm that the application can accommodate the 55 Ω dynamic impedance and that the thermal management strategy supports the 300 mW dissipation limit within the specified ambient temperature range.
Part Context
This component belongs to the AZ23-G series of small signal Zener diodes manufactured by Vishay Semiconductors. The series utilizes silicon planar technology and offers a wide range of graded Zener voltages from 2.2 V to 75 V. The AZ23B22 specifically represents the 22 V step within the ±2% tolerance subset of this family.
Replacement Considerations
AZ23B22-E3-08
FAQ
What is the marking code for the AZ23B22-G3-08?
The marking code for the AZ23B22-G3-08 is DF3.
How does the dynamic resistance change at lower currents?
At a reduced test current of 0.05 mA (IZT2), the maximum dynamic resistance increases to 220 Ω.
What is the reverse leakage current specification?
The maximum reverse leakage current is 0.05 μA when measured at a reverse voltage of 17 V.
