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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 39V SOT-23-3
- Series：AZ23
- 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：Automotive
- Qualification：AEC-Q101
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23-3
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Overview
The AZ23C39-HE3-08 is a dual common anode silicon planar Zener diode array from the Vishay AZ23 series, housed in a SOT-23 package. It features a nominal Zener voltage of 39 V with a ±5% tolerance and a maximum power dissipation of 300 mW on an FR-4 board. The device operates within a temperature range of -55 °C to +150 °C and includes AEC-Q101 qualification for automotive applications.
Feature Summary
- Dual common anode configuration providing two independent Zener elements in a single surface-mount package
- AEC-Q101 qualified for automotive reliability requirements
- ESD protection capability exceeding 8 kV via human body model and 800 V via machine model
Applications
- Automotive circuit voltage regulation and reference applications
- Transient voltage suppression in electronic assemblies
- Overvoltage protection for sensitive signal lines
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm that the specific ordering suffix matches the required tape-and-reel packaging format and ensure compliance with RoHS directives before finalizing procurement orders.
Selection Notes
Select this variant when a dual common anode topology is required alongside strict automotive qualification standards. Ensure the design accommodates the specified thermal resistance values and verify that the 39 V breakdown voltage aligns with the target circuit's operational limits.
Part Context
This component belongs to the AZ23 series of small signal Zener diodes manufactured by Vishay General Semiconductor - Diodes Division. The series offers a wide range of standardized voltages and tolerances, utilizing silicon planar technology for consistent performance across commercial and automotive sectors.
Replacement Considerations
AZ23C39-HE3_A-08
FAQ
What is the dynamic resistance specification for the AZ23C39-HE3-08?
The dynamic resistance (ZZ) at the test current IZT1 is specified as a maximum of 300 Ohms.
How does the HE3 suffix affect the device qualification?
The HE3 suffix indicates that the device is RoHS-compliant and AEC-Q101 qualified, distinguishing it from the base E3 commercial grade variants.
What is the maximum reverse leakage current for this part?
The maximum reverse leakage current (IR) is 50 µA when measured at a reverse voltage (VR) of 29 V.
