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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 4.7V SOT-23
- Series：-
- Mfr：Taiwan Semiconductor Corporation
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：4.7 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：78 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 AZ23C4V7 is a dual common anode Zener diode manufactured by Taiwan Semiconductor, housed in an SOT-23 surface-mount package. It features a nominal Zener voltage of 4.7 V with a tolerance range of 4.4 V to 5.0 V at a test current (Izt) of 5 mA. The device has a maximum power dissipation of 300 mW and a junction temperature range from -55 °C to +150 °C. Electrical characteristics include a maximum Zener impedance (Zzt) of 78 Ω and a leakage current (Ir) of 1 µA at 0.1 V.
Feature Summary
- Dual common anode configuration for efficient circuit layout
- Moisture sensitivity level 1 per J-STD-020 standards
- Halogen-free molding compound compliant with IEC 61249-2-21
- Meets JESD 201 class 1A whisker test requirements
Applications
- Low voltage stabilizers or voltage references
- Adapters
- Lighting applications
- On-board DC/DC converters
Procurement Notes
Verify the specific ordering suffix against the manufacturer's datasheet to confirm packaging details such as reel size or halogen-free status. Confirm RoHS compliance and moisture sensitivity ratings prior to procurement. Ensure the component meets the required operating temperature range for the intended application environment.
Selection Notes
Select this component when a dual Zener configuration with a common anode is required in a compact SOT-23 footprint. Verify that the 300 mW power dissipation rating and 4.7 V nominal voltage align with the circuit design specifications. Consider the 78 Ω maximum impedance value for noise-sensitive signal paths.
Part Context
This part belongs to the AZ23C series, which covers Zener voltages from 2.7 V to 51 V. All devices in this series share the same SOT-23 mechanical outline and thermal characteristics, differing primarily in their specific breakdown voltage ratings and associated electrical parameters defined in the datasheet tables.
Replacement Considerations
Direct substitutes within the same series include AZ23C4V3 and AZ23C5V1. Cross-manufacturer replacements must match the SOT-23-3 package, dual common anode configuration, and 300 mW power rating.
FAQ
What is the marking code for the AZ23C4V7?
The marking code for the AZ23C4V7 is KD7.
What is the maximum Zener impedance for this device?
The maximum Zener impedance (Zzt) at a test current of 5 mA is 78 Ω.
Is the AZ23C4V7 suitable for automated assembly?
Yes, the datasheet states it is ideally suited for automated assembly processes.
