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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 3.3V SOT-23-3
- Series：AZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：3.3 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：95 Ohms
- Current - Reverse Leakage @ Vr：-
- Operating Temperature：-55°C ~ 150°C
- Grade：Automotive
- Qualification：AEC-Q101
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23-3
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Overview
The AZ23C3V3-HE3-18 is a silicon planar Zener diode array manufactured by Vishay General Semiconductor - Diodes Division. It features a dual common anode configuration within a SOT-23 surface-mount package. The nominal Zener voltage is 3.3 V with a ±5% tolerance, tested at a current of 5 mA. Maximum reverse leakage current is specified at 5 µA, and dynamic resistance is 95 Ω. The device operates between -55 °C and +150 °C, dissipating up to 300 mW on an FR-4 board. It is AEC-Q101 qualified and supplied in tape-and-reel packaging.
Feature Summary
- Dual common anode Zener diode array for compact circuit integration
- AEC-Q101 automotive qualification ensuring reliability under harsh conditions
- ESD protection capability exceeding 8 kV via human body model
Applications
- Automotive electronic systems requiring robust voltage regulation
- Industrial control circuits utilizing surface-mount technology
- General-purpose voltage reference applications in consumer electronics
Procurement Notes
Verify the specific ordering code suffix against official documentation to confirm the presence of AEC-Q101 automotive qualification and RoHS compliance status. Ensure that the procurement specifications align precisely with the required voltage tolerance and thermal characteristics defined in the datasheet before finalizing orders.
Selection Notes
Select this component when a dual common anode Zener array is required in a SOT-23 footprint. The HE3_A suffix indicates AEC-Q101 qualification, distinguishing it from commercial grade variants. Confirm that the 3.3 V nominal voltage and 300 mW power dissipation limits meet the specific design requirements of the target application.
Part Context
This part belongs to the AZ23 series of small signal Zener diodes produced by Vishay Semiconductors. The series offers a wide range of graded Zener voltages according to the E24 standard. The AZ23C3V3-HE3-18 specifically represents the 3.3 V variant with automotive-grade qualification and reel packaging.
Replacement Considerations
AZ23C3V3-E3-18 (Commercial Grade)
FAQ
What does the 'HE3_A' suffix indicate?
The 'HE3_A' suffix denotes that the device is RoHS-compliant and AEC-Q101 qualified for automotive applications.
What is the maximum operating temperature?
The maximum operating temperature for the AZ23C3V3-HE3-18 is +150 °C.
How is the device configured internally?
The device contains two Zener diodes connected in a common anode configuration.
