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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 4.7V SOT-23-3
- Series：AZ23-G
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23-3
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Overview
The AZ23C4V7-G3-08 is a dual common anode silicon planar Zener diode array from the Vishay AZ23-G series, housed in a SOT-23 surface-mount package. It features a nominal Zener voltage of 4.7 V with a ±5% tolerance and a maximum power dissipation of 300 mW on an FR-4 board. The device operates within a temperature range of -55 °C to +150 °C, has a test current of 5 mA, a reverse leakage current of 3 μA maximum, and a dynamic resistance of 78 Ω at 1 kHz.
Feature Summary
- Dual common anode configuration for space-efficient circuit designs
- Silicon planar construction ensuring robust performance
- ESD protection capability exceeding 8 kV via human body model
Applications
- Voltage reference circuits requiring dual independent references
- Clamping applications for signal lines
- Overvoltage protection in low-power electronic systems
Procurement Notes
Verify the specific ordering code suffix against official documentation to confirm reel size and tape specifications. Confirm RoHS compliance status and material categorization details directly with the manufacturer or authorized distributors before finalizing procurement orders.
Selection Notes
Select this component when a dual common anode topology is required within a compact SOT-23 footprint. Ensure the operating environment stays within the specified -55 °C to +150 °C range and that the thermal management allows for a maximum power dissipation of 300 mW on standard FR-4 substrates.
Part Context
This part belongs to the AZ23-G series of small signal Zener diodes manufactured by Vishay Semiconductors. The series offers a wide range of Zener voltages graded according to the international E24 standard, providing flexibility for various voltage regulation and clamping requirements in consumer and industrial electronics.
Replacement Considerations
AZ23B4V7-G3-08 (±2% tolerance variant)
FAQ
What is the marking code for the AZ23C4V7-G3-08?
The marking code for this device is D47.
Does the AZ23C4V7-G3-08 have AEC-Q101 qualification?
No, the standard AZ23C4V7-G3-08 is not AEC-Q101 qualified; this qualification is available upon request for specific part numbers.
What is the typical temperature coefficient for this Zener voltage?
The temperature coefficient ranges from -5 to 2 x 10^-4 /°C.
