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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 15V SOT-23-3
- Series：AZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：15 V
- Tolerance：±2%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：30 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 11 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 AZ23B15-HE3-18 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 15 V and a tight tolerance of ±2%. The device operates within a junction temperature range of -55 °C to +150 °C and is qualified under AEC-Q101 standards for automotive applications. Electrical characteristics include a maximum reverse leakage current of 0.05 μA at 14 V and a dynamic resistance of 11 Ω at a test current of 5 mA.
Feature Summary
- Dual common anode Zener diode array designed for precise voltage regulation
- AEC-Q101 qualified for high reliability in automotive environments
- High ESD protection capability exceeding 8 kV via human body model
- RoHS compliant construction utilizing advanced planar technology
Applications
- Automotive electronic circuit voltage reference and regulation
- Protection against electrostatic discharge (ESD) events
- Precision voltage clamping in sensitive signal processing paths
Procurement Notes
Verify that the ordering code matches the specific suffix requirements for AEC-Q101 qualification and tape-and-reel packaging. Confirm RoHS compliance status and material categorization details directly with authorized distributors or the manufacturer before finalizing procurement orders.
Selection Notes
Select this component when a dual common anode Zener array with ±2% voltage tolerance is required. Ensure the operating environment meets the specified thermal limits and that the SOT-23 footprint aligns with the PCB layout constraints for surface-mount assembly.
Part Context
This part belongs to the AZ23 series of small signal Zener diodes manufactured by Vishay General Semiconductor. The series offers various voltage grades and tolerance options, providing designers with standardized solutions for voltage regulation and protection tasks across commercial and industrial sectors.
Replacement Considerations
AZ23B15-HE3_A-18
FAQ
What is the ESD protection rating for the AZ23B15-HE3-18?
The device provides an ESD capability of greater than 8 kV according to the human body model and greater than 800 V according to the machine model, as per AEC-Q101 standards.
How does the HE3 suffix affect the device specifications?
The HE3 suffix indicates that the device is RoHS-compliant, AEC-Q101 qualified, and utilizes Vishay's Green Molding Compound for enhanced environmental compliance without altering the electrical performance.
What is the maximum power dissipation on an FR-4 board?
When mounted on an FR-4 board using the recommended soldering footprint, the maximum power dissipation is rated at 300 mW.
