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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 43V SOT-23-3
- Series：AZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：43 V
- Tolerance：±2%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：100 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 32 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 AZ23B43-HE3-18 is a dual common anode silicon planar Zener diode array from the Vishay AZ23 series, housed in a SOT-23 package. It features a nominal Zener voltage of 43 V with a tight tolerance of ±2%. 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. It is AEC-Q101 qualified for automotive applications and supplied in tape-and-reel packaging.
Feature Summary
- Dual common anode configuration for space-efficient circuit designs
- AEC-Q101 qualification ensuring reliability in automotive environments
- High ESD protection capability exceeding 8 kV via human body model
Applications
- Automotive voltage reference circuits
- Overvoltage protection networks
- Precision voltage regulation modules
Procurement Notes
Verify the specific suffix against official documentation to confirm AEC-Q101 qualification status and reel quantity specifications. Ensure that the ordering code matches the required tolerance grade and packaging format before finalizing procurement orders.
Selection Notes
Select this component when a dual Zener array with high precision is required in a compact surface-mount footprint. Consider the thermal resistance characteristics and power dissipation limits relative to the expected ambient operating conditions.
Part Context
This part belongs to the AZ23 series of small signal Zener diodes manufactured by Vishay Semiconductors. The series offers various voltage grades and tolerance options within the SOT-23 package, catering to general-purpose and automotive electronic applications requiring reliable voltage referencing.
Replacement Considerations
AZ23B43-E3-18
FAQ
What is the dynamic resistance of the AZ23B43-HE3-18?
The dynamic resistance (ZZ) at the test current IZT1 is specified as a maximum of 97 Ohms.
Does the HE3 suffix indicate RoHS compliance?
Yes, the HE3 suffix denotes that the device is RoHS-compliant and AEC-Q101 qualified.
What is the maximum reverse leakage current?
The maximum reverse leakage current (IR) is 50 nA when measured at a reverse voltage (VR) of 32 V.
