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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 12V SOT-23-3
- Series：AZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR),Cut Tape (CT)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：12 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：20 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 9 V
- 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 AZ23C12-E3-08 is a dual common anode silicon planar Zener diode array from the Vishay AZ23 series, housed in a surface-mount SOT-23 package. It provides two independent Zener diodes sharing a common anode terminal. The nominal Zener voltage is 12 V with a standard tolerance of ±5 %. Electrical characteristics are specified at a test current of 5 mA, featuring a maximum reverse leakage current of 0.1 µA and a dynamic resistance of 20 Ω. The device operates within a temperature range of -55 °C to +150 °C and supports a power dissipation of up to 500 mW.
Feature Summary
- Dual common anode configuration for space-efficient circuit design
- Zener voltages graded according to international E24 standards
- ESD protection capability exceeding 8 kV via human body model
Applications
- Voltage reference circuits requiring dual stable potentials
- Overvoltage protection for sensitive electronic components
- Clamping applications in signal processing paths
Procurement Notes
Verify component authenticity by cross-referencing the manufacturer's ordering code against official Vishay documentation. Confirm that the specific suffix matches the required tape-and-reel quantity and RoHS compliance status. Ensure procurement channels provide traceable manufacturing data to validate the commercial grade designation.
Selection Notes
Select this variant when a dual Zener array with a common anode topology is required. The ±5 % tolerance suits general-purpose regulation tasks. Verify that the 12 V nominal voltage aligns with the target circuit requirements and that the SOT-23 footprint fits the available board space constraints.
Part Context
This component belongs to the AZ23 series of small signal Zener diodes manufactured by Vishay Semiconductors. The series offers a wide range of Zener voltages from 2.2 V to 75 V in both single and dual configurations. The 'E3' suffix indicates RoHS compliance for the commercial grade version.
Replacement Considerations
AZ23C12-G3-08
FAQ
What is the dynamic resistance of the AZ23C12-E3-08?
The dynamic resistance (ZZ) at the test current of 5 mA is 20 Ω.
Does the AZ23C12-E3-08 have AEC-Q101 qualification?
No, the base P/N-E3 is a commercial grade part. AEC-Q101 qualification is available only for the HE3_A variants.
What is the marking code for this device?
The marking code for the AZ23C12 is D57.
