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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 4.3V SOT-23
- Series：-
- Mfr：Taiwan Semiconductor Corporation
- Package：Tape & Reel (TR),Cut Tape (CT)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：4.3 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：95 Ohms
- Current - Reverse Leakage @ Vr：-
- Operating Temperature：-55°C ~ 150°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23
- Voltage - Forward (Vf) (Max) @ If：-
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Overview
The AZ23C4V3 RFG is a dual Zener diode array manufactured by Taiwan Semiconductor Corporation, housed in an SOT-23 surface-mount package. It features a common anode configuration with two independent Zener junctions. The nominal Zener voltage is 4.3 V with a tolerance of ±5%. The device supports a maximum power dissipation of 300 mW and exhibits a maximum Zener impedance of 95 Ohms. It operates within a junction temperature range of -55°C to +150°C and complies with RoHS3 standards.
Feature Summary
- Dual Zener diodes integrated into a single compact SOT-23 package for space-constrained designs.
- Common anode topology simplifies circuit layout and biasing requirements.
- High thermal stability with an extended operating junction temperature range up to 150°C.
Applications
- Voltage reference circuits requiring stable dual supply rails.
- Transient voltage suppression (TVS) in signal lines.
- Clamping applications in digital logic interfaces.
Procurement Notes
Verify the specific ordering suffix against the manufacturer's current datasheet to ensure correct packaging and compliance status. Confirm that the requested variant matches the required voltage tolerance and package type before finalizing procurement orders.
Selection Notes
Select this component when a dual Zener solution with a common anode is required in a small outline transistor package. Ensure the application voltage does not exceed the 4.3 V nominal rating and that the power dissipation limits are respected under worst-case thermal conditions.
Part Context
This part belongs to the AZ23C series of dual Zener arrays from Taiwan Semiconductor. The series offers various voltage options within the same SOT-23 footprint, allowing designers to standardize on a single package type while adjusting voltage levels through different part numbers.
Replacement Considerations
Direct replacements must match the SOT-23-3 package, 4.3 V Zener voltage, common anode configuration, and 300 mW power rating. Verify pinout compatibility and electrical parameters such as impedance and leakage current before substitution.
