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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 22V 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)：22 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：55 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 17 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 AZ23C22-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 elements sharing a common anode terminal. The nominal Zener voltage is 22 V with a tolerance of ±5%, tested at a current of 5 mA. Maximum reverse leakage current is specified as 50 nA at 17 V, and dynamic resistance is 55 Ω at the test current. The device supports a maximum power dissipation of 300 mW on an FR-4 board and operates within a temperature range of -55 °C to +150 °C.
Feature Summary
- Dual common anode configuration for space-efficient circuit design
- Zener voltages graded according to international E24 standard
- ESD capability exceeding 8 kV via human body model and 800 V via machine model
Applications
- Voltage reference circuits requiring dual stable potentials
- Overvoltage protection for sensitive input lines
- Clamping applications in signal conditioning paths
Procurement Notes
Verify that the ordering code suffix matches the required tape and reel specifications. Confirm RoHS compliance status and ensure the component meets AEC-Q101 requirements if automotive qualification is necessary for the target application environment.
Selection Notes
Select this part when a dual Zener array with a common anode topology is required. Ensure the 22 V nominal voltage aligns with circuit thresholds. Verify that the 300 mW power dissipation rating on FR-4 is sufficient for the expected thermal load in the final assembly.
Part Context
This component belongs to the AZ23 series of small signal Zener diodes manufactured by Vishay Semiconductors. The series offers various voltage options ranging from 2.2 V to 75 V in both single and dual configurations, providing standardized solutions for general-purpose voltage regulation tasks.
Replacement Considerations
AZ23C22-G3-08
FAQ
What is the difference between the 'C' and 'B' codes in the ordering name?
The letter indicates the Zener voltage tolerance. 'C' denotes a standard tolerance of ±5%, while 'B' specifies a tighter tolerance of ±2%.
Is the AZ23C22-E3-08 qualified for automotive applications?
No, the base P/N-E3 is commercial grade. Automotive qualification (AEC-Q101) is available only for parts with the HE3_A suffix.
What is the maximum operating junction temperature?
The maximum junction temperature (Tj) is 150 °C.
