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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 18V SOT-323
- Series：-
- Mfr：MCC (Micro Commercial Components)
- Package：Bulk
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：18 V
- Tolerance：±5%
- Power - Max：200 mW
- Impedance (Max) (Zzt)：50 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 14 V
- Operating Temperature：-
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-323
- Voltage - Forward (Vf) (Max) @ If：-
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Overview
The AZ23C18W-TP is a dual common anode Zener diode array manufactured by Micro Commercial Components (MCC). It features a nominal Zener voltage of 18 V with a tolerance of ±5%. The device has a maximum power dissipation of 200 mW and a test current of 5 mA. Key electrical parameters include a maximum reverse leakage current of 100 nA at 17 V and a Zener impedance of 45 Ohms. The component operates within a temperature range of -55°C to +150°C TJ, with a voltage temperature coefficient of 16 mV/°C. It is housed in an SOT-323 surface-mount package.
Feature Summary
- Dual common anode configuration for space-efficient circuit design
- High thermal stability with extended operating temperature range
- Low leakage current characteristics for precision applications
Applications
- Voltage reference circuits requiring matched dual channels
- Over-voltage protection stages in signal conditioning
- Clamping applications in high-speed digital interfaces
Procurement Notes
Verify the specific suffix W against the manufacturer's latest datasheet to confirm package type and compliance status. Ensure the ordering information matches the required voltage tolerance and power rating. Cross-reference the part number with official MCC documentation to avoid substitution errors during procurement.
Selection Notes
Select this component when a matched pair of Zener diodes is required in a compact SOT-323 footprint. The dual common anode structure simplifies biasing networks compared to discrete components. Consider the 200 mW power limit and 45 Ohm impedance for low-power signal processing tasks.
Part Context
This part belongs to the AZ23C series of dual Zener arrays from Micro Commercial Components. The series offers various voltage options in standardized surface-mount packages. The AZ23C18W-TP specifically targets applications needing precise voltage referencing or clamping in minimal board space.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Verify compatibility with alternative manufacturers based on pinout, voltage tolerance, and package dimensions before substitution.
