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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 4.3V 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)：4.3 V
- Tolerance：±2%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：95 Ohms
- Current - Reverse Leakage @ Vr：-
- 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 AZ23B4V3-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 4.3 V with a tight tolerance of ±2%. The device operates at a test current of 5 mA and provides a maximum reverse leakage current of 3 µA at 3 V. Dynamic resistance is specified at 90 Ω under these conditions. It supports an operating temperature range from -55 °C to +150 °C and dissipates up to 300 mW on a standard FR-4 board.
Feature Summary
- Dual common anode configuration for space-efficient circuit design
- Tight ±2% Zener voltage tolerance for precision applications
- High ESD protection capability exceeding 8 kV (HBM) and 800 V (MM)
- Green commercial grade construction compliant with RoHS directives
Applications
- Precision voltage reference circuits requiring low tolerance
- ESD protection stages in signal conditioning paths
- Voltage clamping and regulation in compact portable electronics
Procurement Notes
Verify the specific ordering suffix against the manufacturer's documentation to confirm tape-and-reel specifications and minimum order quantities. Ensure that the component meets the required environmental standards for the intended application environment before finalizing procurement orders.
Selection Notes
Select this part when a dual Zener array with high voltage accuracy is required in a small footprint. The ±2% tolerance distinguishes it from the standard ±5% 'C' series variants. Confirm that the 90 Ω dynamic resistance aligns with the noise and impedance requirements of the target circuit design.
Part Context
This component belongs to the AZ23-G series of small signal Zener diodes manufactured by Vishay General Semiconductor. The series offers a wide range of graded Zener voltages from 2.2 V to 75 V, all utilizing the same SOT-23 package format to simplify inventory management across different voltage requirements.
Replacement Considerations
AZ23B4V3-E3-08
FAQ
What is the marking code for the AZ23B4V3-G3-08?
The marking code for this device is DD6.
How does the B suffix affect the voltage tolerance compared to the C suffix?
The 'B' suffix indicates a tighter Zener voltage tolerance of ±2%, whereas the 'C' suffix denotes the standard ±5% tolerance.
What is the maximum power dissipation on an FR-4 board?
The maximum power dissipation is 300 mW when mounted on an FR-4 board with the recommended soldering footprint.
