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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：-
- Qualification：-
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23-3
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Overview
The AZ23C39-E3-18 is a dual common anode Zener diode array manufactured by Vishay General Semiconductor - Diodes Division. It features a nominal Zener voltage of 39 V with a ±5% tolerance, tested at a current of 2 mA. The device has a maximum power dissipation of 300 mW on an FR-4 board and operates within a temperature range of -55 °C to +150 °C. It utilizes a SOT-23 surface-mount package and complies with RoHS standards.
Feature Summary
- Dual common anode configuration for space-efficient circuit designs
- Zener voltages graded according to the international E24 standard
- ESD capability exceeding 8 kV via human body model and 800 V via machine model
Applications
- Voltage reference circuits requiring dual regulated outputs
- Overvoltage protection in signal conditioning paths
- Clamping applications in low-power electronic systems
Procurement Notes
Verify the specific ordering code suffix against the manufacturer's documentation to confirm tape and reel specifications. Ensure that the commercial grade designation aligns with project requirements, as automotive-grade variants utilize different suffixes. Confirm compliance with RoHS directives prior to final procurement authorization.
Selection Notes
Select this component when a dual Zener array with a 39 V nominal rating and ±5% tolerance is required. Consider the 300 mW power dissipation limit on FR-4 boards during thermal design. Verify that the SOT-23 package dimensions fit the available PCB footprint and that the operating temperature range meets environmental constraints.
Part Context
This part belongs to the AZ23 series of small signal silicon planar Zener diodes. The series offers a wide range of Zener voltages from 2.2 V to 75 V. Variants are available with ±2% or ±5% tolerances and can be ordered in commercial or AEC-Q101 qualified grades depending on the application environment.
Replacement Considerations
AZ23C39-HE3_A-08
FAQ
What is the dynamic resistance of the AZ23C39-E3-18?
The maximum dynamic resistance (ZZ) at a test current of 2 mA is 87 Ohms.
Is the AZ23C39-E3-18 qualified for automotive applications?
No, the base P/N-E3 indicates a commercial grade product. Automotive qualification requires the HE3_A suffix.
What is the reverse leakage current specification?
The maximum reverse leakage current is 50 μA at a reverse voltage of 29 V.
