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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 39V 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)：39 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：90 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 29 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 AZ23C39-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 provides two independent Zener elements sharing a common anode terminal. The nominal Zener voltage is 39 V with a standard tolerance of ±5%. Electrical characteristics are defined at a test current of 2 mA, featuring a maximum reverse leakage current of 50 µA and a dynamic resistance of 87 Ω. The device supports a power dissipation of up to 500 mW and operates within a temperature range of -55 °C to +150 °C.
Feature Summary
- Dual common anode configuration for space-efficient circuit design
- Zener voltages graded according to international E24 standard
- ESD protection capability exceeding 8 kV via human body model
Applications
- Voltage reference circuits requiring dual stable potentials
- Overvoltage protection for sensitive input lines
- Clamping applications in signal conditioning stages
Procurement Notes
Verify component authenticity by cross-referencing the ordering code against official Vishay documentation. Confirm that the suffix G3 indicates compliance with green manufacturing standards. Ensure the specific batch matches the required AEC-Q101 qualification status if automotive reliability is mandated, as this variant is not explicitly listed as qualified without direct manufacturer confirmation.
Selection Notes
Select this part when a dual Zener solution with a common anode topology is required in a compact SOT-23 footprint. The ±5% tolerance suits general-purpose regulation tasks. Evaluate the 87 Ω dynamic resistance for noise sensitivity requirements. Consider thermal derating curves if ambient temperatures exceed standard operating limits or if high pulse currents are anticipated.
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 nominal voltages from 2.2 V to 75 V. The 'C' designation specifically denotes the ±5% voltage tolerance grade, distinguishing it from the tighter ±2% 'B' tolerance variants within the same product family.
Replacement Considerations
AZ23C39-E3-08
FAQ
What is the marking code for the AZ23C39-G3-08?
The marking code printed on the device is D69.
How does the configuration benefit circuit layout?
The dual common anode configuration allows two separate cathodes to share a single anode connection, reducing the number of required traces and saving board space compared to using two discrete components.
What is the specified Zener impedance frequency?
The dynamic resistance (Zz) is specified at a frequency of 1 kHz.
