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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 8.2V SOT-23-3
- Series：AZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：8.2 V
- Tolerance：±2%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：15 Ohms
- Current - Reverse Leakage @ Vr：700 nA @ 5 V
- Operating Temperature：150°C (TJ)
- Grade：Automotive
- Qualification：AEC-Q101
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23-3
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Overview
The AZ23B8V2-HE3_A-18 is a silicon planar Zener diode from the AZ23 series, manufactured by Vishay General Semiconductor - Diodes Division. It features an 8.2 V nominal Zener voltage with a ±2% tolerance and operates in a common anode configuration within a SOT-23 package. The device is AEC-Q101 qualified for automotive applications and complies with RoHS standards. Electrical characteristics include a maximum reverse leakage current of 0.1 µA at 7 V and a dynamic resistance of 7 Ω at a test current of 5 mA. It supports a junction temperature up to 150 °C and is supplied in tape-and-reel packaging.
Feature Summary
- AEC-Q101 qualified for automotive reliability requirements
- Silicon planar construction with low leakage current
- ESD protection exceeding 8 kV (HBM) and 800 V (MM)
- RoHS-compliant HE3_A material categorization
Applications
- Automotive voltage regulation circuits
- General-purpose voltage reference applications
- Protection against electrostatic discharge events
Procurement Notes
Verify component authenticity through authorized distribution channels or direct manufacturer engagement. Confirm that the specific ordering suffix matches the required AEC-Q101 qualification and reel quantity specifications. Ensure compliance with applicable regional regulatory standards prior to integration into final assemblies.
Selection Notes
Select this variant when a precise 8.2 V Zener voltage with tight ±2% tolerance is required. The HE3_A suffix indicates AEC-Q101 qualification suitable for automotive environments. Verify thermal management requirements against the specified power dissipation limits on FR-4 boards versus lead-clamped conditions.
Part Context
This component belongs to the AZ23 series of small signal Zener diodes offered by Vishay Semiconductors. The series provides a wide range of graded Zener voltages according to the E24 standard. The AZ23B8V2 designation specifically denotes the 8.2 V breakdown voltage with the tighter B-series tolerance band.
Replacement Considerations
AZ23B8V2-E3-18
FAQ
What is the dynamic resistance of the AZ23B8V2-HE3_A-18?
The dynamic resistance (ZZ) is 7 Ω, measured at a test current (IZT1) of 5 mA.
Is the AZ23B8V2-HE3_A-18 suitable for automotive use?
Yes, the HE3_A suffix indicates that the device is AEC-Q101 qualified for automotive applications.
What is the maximum reverse leakage current specification?
The maximum reverse leakage current (IR) is 0.1 µA, tested at a reverse voltage (VR) of 7 V.
