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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 16V SOT-23-3
- Series：AZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：16 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：40 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 12 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 AZ23C16-HE3-18 is a dual common anode silicon planar Zener diode array manufactured by Vishay General Semiconductor. It features a nominal Zener voltage of 16 V with a ±5% tolerance, tested at 5 mA. The device operates within a junction temperature range of -55 °C to +150 °C and dissipates up to 300 mW on an FR-4 board. Packaged in an SOT-23 (TO-236AB) housing, it meets AEC-Q101 automotive qualification standards and offers high ESD protection exceeding 8 kV via the human body model.
Feature Summary
- Dual common anode configuration for integrated circuit protection
- AEC-Q101 qualified for automotive reliability requirements
- High electrostatic discharge robustness per AEC-Q101 standards
- RoHS-compliant construction using advanced planar technology
Applications
- Automotive electronic circuit protection
- Voltage reference applications requiring dual channels
- Clamping circuits in signal processing lines
Procurement Notes
Verify the specific HE3_A suffix against official documentation to confirm AEC-Q101 automotive qualification status. Ensure the -18 tape and reel packaging aligns with automated assembly equipment specifications. Cross-reference the manufacturer's latest datasheet revision to validate current electrical parameters before finalizing component selection.
Selection Notes
Select this component when dual-channel voltage regulation or clamping is required in a compact surface-mount footprint. The common anode topology simplifies biasing compared to independent diodes. Verify that the 16 V breakdown voltage matches the target circuit threshold and that the 300 mW power dissipation rating accommodates expected thermal loads.
Part Context
This part belongs to the AZ23 series of small signal Zener diodes from Vishay Semiconductors. The series utilizes silicon planar technology and provides graded Zener voltages according to the international E24 standard. The HE3 variant specifically denotes RoHS compliance combined with automotive-grade qualification under AEC-Q101 standards.
Replacement Considerations
AZ23C16-E3-18
FAQ
What is the dynamic resistance of the AZ23C16-HE3-18?
The maximum dynamic resistance (ZZ) at the test current of 5 mA is 40 Ohms.
Does the AZ23C16-HE3-18 meet automotive standards?
Yes, the HE3 suffix indicates that the device is AEC-Q101 qualified for automotive applications.
What is the reverse leakage current specification?
The maximum reverse leakage current (IR) is specified as 0.05 µA at a reverse voltage of 12 V.
