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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-18 is a silicon planar Zener diode array manufactured by Vishay General Semiconductor - Diodes Division. It features a dual common anode configuration housed in a SOT-23 surface-mount package. The nominal Zener voltage is 24 V with a tolerance of ±5%. Electrical characteristics include a maximum reverse leakage current of 0.05 µA at 18 V and a dynamic resistance of 70 Ω at a test current of 5 mA. The device is AEC-Q101 qualified, operates within a temperature range of -55 °C to +150 °C, and supports a power dissipation of up to 500 mW.
Feature Summary
- Dual common anode configuration for integrated circuit protection
- AEC-Q101 automotive qualification ensuring reliability under harsh conditions
- ESD capability exceeding 8 kV via human body model and 800 V via machine model
Applications
- Automotive electronic circuits requiring robust overvoltage protection
- Clamping applications in signal lines utilizing the dual common anode structure
- Voltage reference stages in precision measurement equipment
Procurement Notes
Verify that the ordering code matches the specific suffix requirements for automotive grade (HE3_A) and reel packaging (18). Confirm RoHS compliance status through official manufacturer documentation prior to integration into production workflows.
Selection Notes
Select this component when a dual Zener array with a 24 V nominal breakdown is required in a compact SOT-23 footprint. Ensure the application environment remains within the specified operating temperature limits and accounts for the thermal resistance values provided in the datasheet.
Part Context
This part belongs to the AZ23 series of small signal Zener diodes from Vishay Semiconductors. The series offers various voltage grades according to the E24 standard and includes both commercial and automotive qualified variants packaged in SOT-23 enclosures.
Replacement Considerations
AZ23C24-E3-18
FAQ
What is the marking code for the AZ23C24?
The marking code for the AZ23C24 is D64.
How does the HE3_A suffix differ from the base P/N?
The HE3_A suffix indicates that the device is RoHS-compliant and AEC-Q101 qualified, whereas the base P/N without this suffix represents the commercial grade version.
What is the typical temperature coefficient for this voltage?
The temperature coefficient ranges from 8 to 10 x 10^-4 /°C.
