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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 6.8V SOT-23-3
- Series：AZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：6.8 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：8 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 3 V
- Operating Temperature：-55°C ~ 150°C
- Grade：Automotive
- Qualification：AEC-Q101
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23-3
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Overview
The AZ23C6V8-HE3-08 is a dual common anode silicon planar Zener diode array from the Vishay AZ23 series, housed in a SOT-23 surface-mount package. It provides a nominal Zener voltage of 6.8 V with a ±5% tolerance and a maximum dynamic resistance of 8 Ω at a test current of 5 mA. 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. This specific part number indicates AEC-Q101 qualification for automotive applications.
Feature Summary
- Dual common anode configuration for space-efficient circuit design
- AEC-Q101 qualified for automotive reliability standards
- ESD protection exceeding 8 kV via human body model
Applications
- Automotive voltage reference circuits
- Overvoltage protection for signal lines
- Clamping applications in electronic control units
Procurement Notes
Verify that the ordering suffix matches the required tape and reel specifications. Confirm the presence of the HE3_A designation to ensure AEC-Q101 automotive qualification is included. Cross-reference the manufacturer's document number 86340 to access the latest electrical characteristics and mechanical dimensions before finalizing procurement.
Selection Notes
Select this component when a dual Zener array with common anode topology is required in a compact SOT-23 footprint. Ensure the application voltage aligns with the 6.8 V nominal rating and verify that the 300 mW thermal dissipation limit on standard PCB footprints meets the system requirements.
Part Context
This device belongs to the Vishay AZ23 series of small signal Zener diodes. The series offers various voltage grades according to the E24 standard and includes options for both commercial (E3) and automotive (HE3_A) qualifications. The base part number AZ23C6V8 defines the electrical parameters, while suffixes determine packaging and qualification levels.
Replacement Considerations
AZ23C6V8-E3-08
FAQ
What does the 'HE3' suffix indicate for this part?
The 'HE3' suffix combined with '_A' denotes that the device is RoHS-compliant and qualified to the AEC-Q101 automotive reliability standard.
What is the maximum reverse leakage current specified?
The maximum reverse leakage current is 2 μA at a reverse voltage of 3 V.
How is the device configured internally?
The device contains two Zener diodes connected in a common anode configuration within a single SOT-23 package.
