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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 27V SOT-23-3
- Series：AZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：27 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：80 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 20 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 AZ23C27-HE3-08 is a dual common anode small signal Zener diode array manufactured by Vishay Semiconductors. It features a nominal Zener voltage of 27 V with a ±5 % tolerance, tested at a current of 2 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 a surface-mount SOT-23-3 housing, it provides ESD protection exceeding 8 kV via the human body model. This component is AEC-Q101 qualified for automotive reliability standards.
Feature Summary
- Dual common anode configuration integrating two Zener diodes into a single compact package
- AEC-Q101 qualification ensuring compliance with automotive electronic component reliability standards
- High electrostatic discharge robustness rated above 8 kV under the human body model protocol
Applications
- Voltage reference circuits requiring stable dual supply rails
- Overvoltage protection stages in automotive electronic control units
- Clamping applications in high-reliability industrial communication interfaces
Procurement Notes
Verify the specific ordering suffix against official manufacturer documentation to confirm the presence of AEC-Q101 automotive qualification. Ensure the procurement channel sources directly from authorized distributors to guarantee component authenticity and traceability throughout the supply chain.
Selection Notes
Select this variant when a dual common anode topology is required alongside strict automotive reliability mandates. The standard ±5 % tolerance suits general regulation tasks, while the low leakage current supports precision analog front-end designs operating at elevated temperatures.
Part Context
This part belongs to the AZ23 series of silicon planar Zener diodes designed for surface-mount assembly. The series utilizes standardized E24 voltage grading to provide consistent electrical characteristics across various nominal breakdown voltages ranging from 2.2 V to 75 V.
Replacement Considerations
AZ23C27-E3-08
FAQ
What is the dynamic resistance specification for the AZ23C27-HE3-08?
The maximum dynamic resistance (ZZ) measured at the test current of 2 mA is 80 Ohms.
How does the reverse leakage current behave at elevated temperatures?
The maximum reverse leakage current is specified as 0.05 μA at a reverse voltage of 20 V under standard ambient conditions.
Is the AZ23C27-HE3-08 suitable for high-voltage transient suppression?
Yes, the device offers significant ESD capability exceeding 800 V according to the machine model standard.
