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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：2 µA @ 2 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 AZ23C5V1-HE3_A-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 operates within a junction temperature range of -55 °C to +150 °C and dissipates up to 500 mW on lead clamping or 300 mW on an FR-4 board. It is AEC-Q101 qualified for automotive applications and complies with RoHS standards.
Feature Summary
- AEC-Q101 qualified for automotive reliability requirements
- Dual common-anode Zener diode array configuration
- ESD protection capability exceeding 8 kV (HBM) and 800 V (MM)
- RoHS compliant manufacturing process
Applications
- Automotive electronic circuit protection
- Voltage reference stabilization in low-power systems
- Transient voltage suppression in signal lines
Procurement Notes
Verify that the ordering code matches the specific suffix requirements for automotive qualification and tape packaging. Confirm the component status remains active through official Vishay channels before finalizing procurement plans. Ensure storage conditions align with moisture sensitivity level 1 specifications.
Selection Notes
Select this variant when automotive-grade reliability and ESD robustness are required alongside standard 5.1 V regulation. The HE3_A suffix indicates AEC-Q101 compliance, distinguishing it from commercial grade E3 versions. Verify dynamic resistance and leakage current limits against specific circuit requirements at the operating test current.
Part Context
This component belongs to the Vishay AZ23 series of small signal Zener diodes. The series offers a wide range of graded voltages from 2.2 V to 75 V in the SOT-23 package. The AZ23C5V1-HE3_A-08 specifically targets applications requiring precise voltage clamping with automotive certification.
Replacement Considerations
AZ23C5V1-E3-08: Commercial grade equivalent without AEC-Q101 qualification. AZ23B5V1-HE3_A-08: Automotive grade variant with tighter ±2% voltage tolerance.
