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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 12V 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)：12 V
- Tolerance：±2%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：20 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 9 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 AZ23B12-G3-08 is a dual common anode silicon planar Zener diode array from the Vishay AZ23-G series, housed in a surface-mount SOT-23 package. It features a nominal Zener voltage of 12 V with a tight tolerance of ±2%, tested at a current of 5 mA. The device has a maximum reverse leakage current of 0.1 µA and a dynamic resistance of 20 Ω. Rated for power dissipation up to 500 mW on leads and 300 mW on FR-4 boards, it operates within a temperature range of -55 °C to +150 °C.
Feature Summary
- Dual common anode configuration providing two independent Zener references in a single compact package
- Tight voltage tolerance of ±2% for precision regulation applications
- Green commercial grade construction compliant with RoHS standards
Applications
- Precision voltage reference circuits requiring dual channels
- Overvoltage protection stages in signal conditioning paths
- Clamping networks for sensitive input interfaces
Procurement Notes
Verify the specific ordering code suffix against the manufacturer's documentation to confirm reel size and tape specifications. Ensure that the component marking code matches the datasheet requirements for quality assurance during incoming inspection.
Selection Notes
Select this variant when a tighter ±2% voltage tolerance is required compared to the standard ±5% options. Confirm that the operating environment stays within the specified thermal limits and that the SOT-23 footprint aligns with the PCB layout constraints.
Part Context
This component belongs to the AZ23-G series of small signal Zener diodes manufactured by Vishay Semiconductors. The series offers a wide range of standardized voltages graded according to the E24 standard, utilizing silicon planar technology for reliable performance in general-purpose electronic circuits.
Replacement Considerations
AZ23B12-E3-08
FAQ
What is the marking code for the AZ23B12-G3-08?
The marking code for this part number is DE7.
How does the test current differ between low and high voltage variants in this series?
Low voltage variants (up to 24 V) are tested at 5 mA, while higher voltage variants (27 V and above) are tested at 2 mA.
What is the maximum dynamic resistance at the test current?
The maximum dynamic resistance (ZZ) at the test current IZT1 is 20 Ω.
