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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：±2%
- 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 AZ23B6V8-HE3-18 is a dual common anode silicon planar Zener diode array from the Vishay AZ23 series, housed in a surface-mount SOT-23 package. It features a nominal Zener voltage of 6.8 V with a tight tolerance of ±2%, indicated by the 'B' designation. The device operates within a junction temperature range of -55 °C to +150 °C and provides an ESD protection capability exceeding 8 kV via the human body model. Electrical characteristics include a maximum reverse leakage current of 1 µA at 5 V and a dynamic resistance of 8 Ω measured at a test current of 1 mA.
Feature Summary
- Dual common anode configuration for integrated circuit protection
- High electrostatic discharge robustness per AEC-Q101 standards
- Tight voltage tolerance grading according to international E24 standard
Applications
- ESD protection for high-speed data lines
- Voltage reference circuits requiring stable dual outputs
- Overvoltage clamping in automotive electronic modules
Procurement Notes
Verify the complete ordering code against official documentation to ensure correct tolerance and qualification levels. Confirm that the HE3 suffix aligns with specific environmental compliance requirements. Validate package dimensions and soldering thermal profiles prior to integration into manufacturing processes.
Selection Notes
Select this component when precise voltage regulation is required alongside robust transient suppression capabilities. The dual common anode structure allows for efficient layout in differential signal paths. Ensure the operating environment remains within the specified thermal limits to maintain long-term reliability and consistent electrical performance.
Part Context
This part belongs to the AZ23 series of small signal Zener diodes manufactured by Vishay Semiconductors. The series offers various voltage options graded to E24 standards. The HE3 variant specifically denotes RoHS compliance and AEC-Q101 qualification for automotive applications, distinguishing it from commercial grade alternatives.
Replacement Considerations
AZ23B6V8-E3-18
FAQ
What does the 'B' character signify in the ordering code?
The 'B' indicates a Zener voltage tolerance of ±2%, which is tighter than the standard ±5% tolerance denoted by 'C'.
Is this component qualified for automotive applications?
Yes, the HE3 suffix confirms that the device is AEC-Q101 qualified for automotive use.
What is the maximum power dissipation on an FR-4 board?
The maximum power dissipation is 300 mW when mounted on an FR-4 board with the recommended soldering footprint.
