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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 4.7V 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)：4.7 V
- Tolerance：±2%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：78 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 AZ23B4V7-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 4.7 V with a tight ±2% tolerance and a maximum reverse leakage current of 3 μA at 3.5 V. The device operates with a test current of 5 mA and exhibits a dynamic resistance of 78 Ω. Rated for power dissipation up to 500 mW on FR-4 boards, it supports an operating temperature range from -55 °C to +150 °C.
Feature Summary
- Dual common anode configuration providing two independent Zener references within a single compact footprint.
- High precision grading according to international E24 standards with ±2% voltage tolerance.
- Robust electrostatic discharge protection capability exceeding 8 kV via human body model.
Applications
- Precision voltage reference circuits requiring dual polarity or split-rail supplies.
- Over-voltage protection stages for sensitive signal lines.
- Clamping applications in high-density surface-mount designs.
Procurement Notes
Verify the specific ordering suffix against official documentation to confirm packaging format and compliance status. Confirm that the component meets RoHS3 requirements and material categorization standards before finalizing procurement orders.
Selection Notes
Select this part when a dual Zener array with tight ±2% tolerance is required in a small SOT-23 package. Ensure the application current does not exceed the specified test current to maintain accurate voltage regulation characteristics.
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 standard voltages from 2.2 V to 75 V in both ±2% and ±5% tolerances.
Replacement Considerations
AZ23B4V7-E3-08
FAQ
What is the marking code for the AZ23B4V7-G3-08?
The marking code for this device is DD7.
What is the maximum reverse leakage current specified?
The maximum reverse leakage current is 3 μA at a reverse voltage of 3.5 V.
Is this component AEC-Q101 qualified?
AEC-Q101 qualification is available for this series, but the specific part number must be requested directly from the manufacturer.
