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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 10V SOT-23-3
- Series：AZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：10 V
- Tolerance：±2%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：15 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 7.5 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 AZ23B10-HE3-18 is a silicon planar Zener diode array manufactured by Vishay General Semiconductor - Diodes Division. It features a dual common anode configuration housed in a SOT-23 surface-mount package. The nominal Zener voltage is 10 V with a tight tolerance of ±2%. Electrical characteristics include a maximum reverse leakage current of 0.1 μA at 7.5 V and a dynamic resistance of 15 Ω measured at a test current of 5 mA. The device supports a maximum power dissipation of 300 mW on an FR-4 board and operates within a temperature range of -55 °C to +150 °C.
Feature Summary
- Dual common anode configuration for space-efficient circuit design
- High precision ±2% Zener voltage tolerance
- Automotive-grade AEC-Q101 qualification
- ESD protection exceeding 8 kV via human body model
Applications
- Voltage reference circuits requiring high stability
- Over-voltage protection in automotive electronics
- Clamping applications in signal conditioning
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to confirm compliance requirements. Ensure that the HE3 designation aligns with the required RoHS and AEC-Q101 specifications for the intended application environment before finalizing procurement orders.
Selection Notes
Select this component when a precise 10 V reference is needed in a compact SOT-23 footprint. The ±2% tolerance makes it suitable for applications demanding tighter voltage regulation than standard commercial grades. Confirm thermal management capabilities are sufficient for the expected power dissipation levels.
Part Context
This part belongs to the AZ23 series of small signal Zener diodes from Vishay. The series offers various voltage options graded according to the E24 standard, packaged in the widely used SOT-23 form factor. The HE3 suffix indicates an environmentally friendly, lead-free variant qualified for automotive standards.
Replacement Considerations
- AZ23B10-E3-18
- AZ23B10-G3-18
FAQ
What is the dynamic resistance of the AZ23B10-HE3-18?
The dynamic resistance (ZZ) is specified as a maximum of 15 Ω at a test current of 5 mA.
Is the AZ23B10-HE3-18 suitable for automotive applications?
Yes, the HE3 suffix indicates that the device is AEC-Q101 qualified for automotive use.
What is the maximum operating junction temperature?
The maximum junction temperature (Tj) is 150 °C.
