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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 24V SOT-23-3
- Series：AZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：24 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：70 Ohms
- Current - Reverse Leakage @ Vr：50 nA @ 16.8 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 AZ23C24-HE3_A-08 is a dual common anode silicon planar Zener diode array from the Vishay AZ23 series, housed in an SOT-23 package. It features a nominal Zener voltage of 24 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 reliability.
Feature Summary
- Dual common anode configuration for space-efficient circuit designs
- AEC-Q101 qualified for automotive-grade reliability standards
- High ESD protection capability exceeding 8 kV (HBM) and 800 V (MM)
- RoHS-compliant construction utilizing advanced HE3 technology
Applications
- Automotive electronic circuits requiring robust voltage regulation
- ESD protection networks for sensitive signal lines
- Voltage reference applications in compact surface-mount designs
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. Ensure compliance with RoHS directives and AEC-Q101 automotive standards before finalizing procurement orders.
Selection Notes
Select this variant when automotive qualification and high ESD immunity are mandatory. The dual common anode structure allows independent voltage clamping using a single footprint. Verify thermal management requirements against the 300 mW dissipation limit on standard PCB footprints.
Part Context
This component belongs to the AZ23 series of small-signal Zener diodes manufactured by Vishay General Semiconductor - Diodes Division. The series offers various voltage grades and configurations optimized for surface-mount assembly in consumer and industrial electronics.
Replacement Considerations
AZ23C24-E3-08
FAQ
What is the dynamic resistance of the AZ23C24-HE3_A-08?
The maximum dynamic resistance at the test current of 5 mA is 70 Ω.
Does the HE3_A suffix indicate a different electrical function than the base part number?
No, the suffix indicates RoHS compliance and AEC-Q101 automotive qualification without altering the core electrical characteristics.
What is the reverse leakage current specification for this device?
The maximum reverse leakage current is specified as 0.05 μA at a reverse voltage of 18 V.
