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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 5.1V SOT-23-3
- Series：AZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：5.1 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：60 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 800 mV
- 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 AZ23C5V1-HE3-08 is a silicon planar Zener diode array from the Vishay AZ23 series, housed in an SOT-23 package. It features a dual common anode configuration with a nominal Zener voltage of 5.1 V and a tolerance of ±5%. The device is AEC-Q101 qualified for automotive applications and offers ESD protection exceeding 8 kV (HBM) and 800 V (MM). Electrical characteristics include a maximum reverse leakage current of 2 μA at 4 V and a dynamic resistance of 60 Ω at a test current of 5 mA.
Feature Summary
- Dual common anode Zener diode array designed for compact surface-mount integration
- AEC-Q101 qualified for high reliability in automotive electronic environments
- Integrated electrostatic discharge protection capability exceeding standard thresholds
Applications
- Automotive circuit voltage regulation and reference applications
- Protection of sensitive signal lines against transient overvoltage events
- Clamping circuits in consumer electronics requiring small form factors
Procurement Notes
Verify component authenticity through authorized distribution channels to ensure compliance with RoHS directives and AEC-Q101 standards. Confirm that the ordering suffix matches the required tape-and-reel packaging specifications. Validate datasheet revisions prior to final design implementation to account for potential parameter updates.
Selection Notes
Select this variant when a precise 5.1 V reference with ±5% tolerance is required in a low-profile SOT-23 footprint. Ensure the application operates within the specified -55 °C to +150 °C temperature range. Verify that the 300 mW power dissipation limit on FR-4 boards accommodates the expected thermal load without exceeding junction temperature constraints.
Part Context
This component belongs to the Vishay AZ23 series of small-signal Zener diodes, which provides a comprehensive range of voltages from 2.2 V to 75 V. The series utilizes silicon planar technology optimized for cost-effective mass production while maintaining strict electrical tolerances across commercial and automotive grades.
Replacement Considerations
AZ23C5V1-E3-08
FAQ
What is the specific marking code for the AZ23C5V1-HE3-08?
The marking code for this device is D48.
How does the HE3_A suffix affect the qualification status compared to the base part number?
The HE3_A suffix indicates that the device is RoHS-compliant and specifically qualified under the AEC-Q101 automotive standard, whereas the base E3 version is commercial grade.
What is the maximum reverse leakage current specified for this voltage rating?
The maximum reverse leakage current is 2 μA when measured at a reverse voltage of 4 V.
