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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 9.1V SOT-23-3
- Series：AZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：9.1 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：10 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 7 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
- Voltage - Forward (Vf) (Max) @ If：-
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Overview
The AZ23C9V1-HE3-18 is a silicon planar Zener diode array from the AZ23 series, manufactured by Vishay Semiconductors. It features a dual common anode configuration housed in an SOT-23 package. The nominal Zener voltage is 9.1 V with a tolerance of ±5%. Electrical characteristics include a maximum reverse leakage current of 0.1 µA at 7 V and a dynamic resistance of 10 Ω at a test current of 5 mA. The device is AEC-Q101 qualified for automotive applications and supports a maximum power dissipation of 300 mW on an FR-4 board.
Feature Summary
- Dual common anode Zener diode array configuration
- AEC-Q101 qualified for automotive reliability standards
- ESD protection capability exceeding 8 kV (HBM) and 800 V (MM)
- RoHS-compliant construction
Applications
- Automotive electronic circuit protection
- Voltage reference stabilization
- Transient voltage suppression in low-power systems
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm that the ordering suffix matches the specific tape-and-reel packaging requirements. Ensure compliance with RoHS directives and AEC-Q101 qualification status before integration into production workflows.
Selection Notes
Select this component when a dual common anode Zener array is required within the SOT-23 footprint. The 9.1 V nominal voltage and ±5% tolerance suit standard regulation tasks. Verify thermal management capabilities against the 300 mW dissipation limit on the target PCB layout.
Part Context
This part belongs to the AZ23 series of small signal Zener diodes. The 'HE3_A' suffix indicates AEC-Q101 qualification and RoHS compliance. The '-18' suffix specifies the 10,000-unit reel packaging format. It is distinct from commercial grade variants lacking the HE3 designation.
Replacement Considerations
AZ23C9V1-HE3_A-18 is listed as a manufacturer recommended substitute. MMBZ9V1ALT1G is identified as a similar alternative from onsemi.
FAQ
What is the ESD protection rating for this device?
The device provides ESD protection according to AEC-Q101 standards, exceeding 8 kV for the human body model and 800 V for the machine model.
How does the HE3_A suffix differ from the base E3 suffix?
The HE3_A suffix denotes that the device is AEC-Q101 qualified for automotive applications, whereas the base E3 suffix indicates commercial grade availability.
What is the maximum operating temperature range?
The operating temperature range extends from -55 °C to +150 °C.
