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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 47V 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)：47 V
- Tolerance：±2%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：100 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 35 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 AZ23B47-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 provides two independent Zener diodes sharing a common anode terminal. The nominal Zener voltage is 47 V with a tight tolerance of ±2%. Electrical testing is conducted at a test current (IZT1) of 0.5 mA. The device features a maximum reverse leakage current of 35 µA and a dynamic resistance of 97 Ω at the test current. It operates within a temperature range of -55 °C to +150 °C.
Feature Summary
- Dual common anode configuration for space-efficient circuit design
- High precision voltage grading with ±2% tolerance
- Automotive-grade reliability with AEC-Q101 qualification available
Applications
- Precision voltage reference circuits
- Over-voltage protection arrays
- Signal clamping applications
Procurement Notes
Verify the specific ordering code suffix against the manufacturer's documentation to confirm tape-and-reel specifications and minimum order quantities. Ensure that the component meets RoHS compliance requirements for the intended manufacturing process. Cross-reference the datasheet revision date to validate the electrical parameters before finalizing procurement orders.
Selection Notes
Select this component when a dual Zener array with high voltage accuracy is required in a compact footprint. The ±2% tolerance makes it suitable for precision analog applications where standard commercial grade tolerances are insufficient. Verify that the operating current aligns with the 0.5 mA test condition specified in the datasheet for optimal performance.
Part Context
This part belongs to the AZ23-G series of small signal Zener diodes manufactured by Vishay Semiconductors. The series offers a wide range of Zener voltages from 2.2 V to 75 V. The 'B' designation indicates the tighter ±2% voltage tolerance compared to the standard ±5% 'C' grade. These devices are designed for general-purpose surface-mount applications requiring reliable voltage regulation.
Replacement Considerations
AZ23B47-E3-08
FAQ
What is the marking code for the AZ23B47-G3-08?
The marking code for the AZ23B47-G3-08 is DG1.
At what test current is the Zener voltage specified?
The Zener voltage is specified at a test current (IZT1) of 0.5 mA.
Is the AZ23B47-G3-08 qualified for automotive applications?
Yes, the AZ23-G series is AEC-Q101 qualified, though specific part numbers should be confirmed with the manufacturer.
