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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 18V SOT-23
- Series：-
- Mfr：Taiwan Semiconductor Corporation
- Package：Tape & Reel (TR),Cut Tape (CT)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：18 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：50 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 14 V
- 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 AZ23C18 RFG is a dual common anode Zener diode array manufactured by Taiwan Semiconductor Corporation. It features a nominal Zener voltage of 18 V with a tolerance of ±5%. The device operates within a power dissipation rating of 300 mW and maintains a maximum reverse leakage current of 100 nA at 13.5 V. The Zener impedance is specified at 70 Ohms when tested at 5 mA. It is housed in a compact SOT-23-3 surface-mount package and supports an operating junction temperature range from -55°C to +150°C.
Feature Summary
- Dual common anode configuration for efficient space-saving circuit design
- Compact SOT-23-3 surface-mount package suitable for automated assembly
- High thermal stability with extended operating temperature range
Applications
- Voltage reference circuits requiring dual stable potentials
- Clamping and protection stages in signal processing paths
- Biasing networks in portable electronic devices
Procurement Notes
Verify the complete part number including the RFG suffix to ensure correct packaging specifications. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Validate that the supplier provides genuine components traceable to Taiwan Semiconductor Corporation to prevent counterfeit risks.
Selection Notes
Select this component when a dual Zener array with common anode topology is required in a small footprint. Ensure the 18 V breakdown voltage aligns with the target circuit requirements. Verify that the 300 mW power rating accommodates the expected thermal load in the final application environment.
Part Context
This component belongs to the AZ23C series of Zener diode arrays produced by Taiwan Semiconductor. The series offers various voltage options within the same SOT-23-3 package, allowing designers to standardize on a single footprint while adjusting voltage levels. The RFG suffix typically denotes specific reel packaging configurations used in high-volume manufacturing.
Replacement Considerations
Cross-reference with other manufacturers offering SOT-23-3 dual common anode Zener arrays rated at 18 V and 300 mW. Verify pinout compatibility and electrical parameter tolerances before substitution.
