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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 5.6V SOT-23-3
- Series：AZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：5.6 V
- Tolerance：±2%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：40 Ohms
- Current - Reverse Leakage @ Vr：1 µA @ 2 V
- Operating Temperature：150°C (TJ)
- Grade：Automotive
- Qualification：AEC-Q101
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23-3
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Overview
The AZ23B5V6-HE3_A-08 is a silicon planar Zener diode array from the Vishay AZ23 series, housed in an SOT-23 package. It features a dual common-anode configuration with two independent Zener diodes sharing a single cathode connection. The nominal Zener voltage is 5.6 V with a tight tolerance of ±2%. It operates within a junction temperature range of -55 °C to +150 °C and dissipates up to 500 mW on lead clamping or 300 mW on an FR-4 board. The component is AEC-Q101 qualified for automotive applications.
Feature Summary
- Dual common-anode configuration providing two independent Zener channels in a compact surface-mount footprint
- AEC-Q101 qualification ensuring compliance with rigorous automotive reliability standards
- High electrostatic discharge (ESD) protection capability exceeding 8 kV via human body model and 800 V via machine model
Applications
- Automotive electronic circuits requiring robust overvoltage protection and signal conditioning
- Voltage reference generation in battery-powered consumer devices
- Clamping and transient suppression in motor control circuitry
Procurement Notes
Verify that the specific ordering code matches the required ±2% tolerance and AEC-Q101 qualification status. Confirm the package type is SOT-23 and check the manufacturer's latest datasheet revision for any updates to absolute maximum ratings or thermal characteristics before finalizing procurement specifications.
Selection Notes
Select this component when a dual-channel Zener array with high precision is needed in a small form factor. Ensure the application current does not exceed the specified test currents (5 mA for low voltages, 2 mA for higher voltages). Verify that the operating ambient temperature remains within the -55 °C to +150 °C range to maintain performance integrity.
Part Context
This part belongs to the Vishay AZ23 series of small signal Zener diodes. The series offers a wide range of standard E24 Zener voltages from 2.2 V to 75 V. Variants are available with ±5% or ±2% tolerances, and both commercial and AEC-Q101 qualified versions exist across different packaging options like SOT-23.
Replacement Considerations
AZ23B5V6-E3-08: Commercial grade version without AEC-Q101 qualification.
FAQ
What is the difference between the 'B' and 'C' suffixes in the ordering code?
The letter indicates the Zener voltage tolerance. 'C' denotes a standard ±5% tolerance, while 'B' specifies a tighter ±2% tolerance.
How is the common-anode configuration wired?
In this dual common-anode setup, the anodes of both Zener diodes are connected together internally. The cathodes serve as separate output terminals, allowing them to be used independently or in series/parallel configurations depending on the circuit design.
What is the maximum power dissipation rating?
The device can dissipate up to 500 mW when leads are clamped between a recommended soldering footprint on an FR-4 board, or 300 mW under standard JEDEC testing conditions.
