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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),Cut Tape (CT)
- 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：-
- Qualification：-
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23-3
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Overview
The AZ23C3V3-E3-08 is a dual common anode silicon planar Zener diode array from the Vishay AZ23 series, housed in a surface-mount SOT-23 package. It provides a nominal Zener voltage of 3.3 V with a standard tolerance of ±5%. The device operates at a test current of 5 mA and features a maximum dynamic resistance of 95 Ω. Electrical characteristics include a reverse leakage current of 5 μA and a temperature coefficient ranging from -8 to -3 x 10⁻⁴/°C. It supports an operating temperature range of -55 °C to +150 °C and dissipates up to 300 mW on an FR-4 board.
Feature Summary
- Dual common anode configuration for space-efficient circuit designs
- Graded Zener voltages conforming to international E24 standards
- ESD protection capability exceeding 8 kV via human body model
Applications
- Voltage reference circuits requiring dual polarity or differential sensing
- Clamping and protection stages in low-voltage signal paths
- Biasing networks in portable electronic devices
Procurement Notes
Verify that the ordering code matches the required voltage tolerance and tape format. Confirm RoHS compliance status based on the specific suffix. Ensure the procurement quantity aligns with the minimum order requirements specified for the selected reel size. Validate component authenticity through authorized distribution channels.
Selection Notes
Select this part when a dual common anode topology is necessary within a compact SOT-23 footprint. The ±5% tolerance suits general-purpose regulation tasks. Evaluate thermal constraints carefully, as power dissipation drops significantly above ambient temperatures. Verify that the negative temperature coefficient aligns with the system's stability requirements.
Part Context
This component belongs to the AZ23 series of small signal Zener diodes manufactured by Vishay Semiconductors. The series offers a wide range of graded voltages from 2.2 V to 75 V in both single and dual configurations. The 'C' designation indicates the standard ±5% voltage tolerance grade.
Replacement Considerations
AZ23B3V3-E3-08 (±2% tolerance)
FAQ
What is the marking code for the AZ23C3V3-E3-08?
The marking code for this device is D43.
How does the power dissipation rating change with ambient temperature?
Power dissipation decreases linearly as ambient temperature increases beyond 75 °C, dropping to zero at 150 °C.
Is the AZ23C3V3-E3-08 AEC-Q101 qualified?
No, the base P/N-E3 is commercial grade. AEC-Q101 qualification requires the HE3_A suffix.
