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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 15V SOT-23-3
- Series：AZ23-G
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR),Cut Tape (CT)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：15 V
- Tolerance：±2%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：30 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 11 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 AZ23B15-G3-18 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 15 V with a tight tolerance of ±2%, tested at a current of 5 mA. The device has a maximum reverse leakage current of 0.05 µA and a dynamic resistance of 11 Ω. Rated for power dissipation up to 300 mW on an FR-4 board, it operates within a temperature range of -55 °C to +150 °C.
Feature Summary
- Dual common anode configuration providing two independent Zener elements in a single compact package.
- High precision grading with ±2% Zener voltage tolerance for accurate reference applications.
- Robust ESD protection capability exceeding 8 kV via human body model and 800 V via machine model.
Applications
- Precision voltage reference circuits requiring dual channels.
- Overvoltage protection for sensitive signal lines.
- Clamping applications in low-power consumer electronics.
Procurement Notes
Verify the specific ordering code suffix against the manufacturer's documentation to confirm packaging details. The '-18' suffix indicates a standard reel quantity of 10,000 units on a 13-inch tape. Confirm RoHS compliance status and material categorization directly with the supplier before finalizing procurement orders.
Selection Notes
Select this component 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' grade variants. Ensure the application current aligns with the specified 5 mA test condition to maintain the guaranteed voltage specifications.
Part Context
This part belongs to the AZ23-G series of small signal Zener diodes manufactured by Vishay General Semiconductor. The series offers a wide range of graded voltages from 2.2 V to 75 V in the SOT-23 package. The 'B' designation specifically denotes the tighter ±2% tolerance band compared to the standard commercial grade.
Replacement Considerations
AZ23B15-E3-18
FAQ
What does the 'B' indicate in the part number AZ23B15-G3-18?
The 'B' indicates that the Zener voltage tolerance is ±2%, which is tighter than the standard ±5% tolerance found in the 'C' grade versions of the same series.
Is the AZ23B15-G3-18 AEC-Q101 qualified?
Standard production parts are not automatically AEC-Q101 qualified; this qualification is available only upon specific request to the manufacturer.
What is the maximum power dissipation on an FR-4 board?
The maximum power dissipation is rated at 300 mW when mounted on an FR-4 board using the recommended soldering footprint.
