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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：±5%
- 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 AZ23C43-HE3-08 is a dual common anode silicon planar Zener diode array from the Vishay AZ23 series, housed in an SOT-23 surface-mount package. It features a nominal Zener voltage of 43 V with a standard tolerance of ±5%. The device operates within a junction temperature range of -55 °C to +150 °C and provides an ESD capability exceeding 8 kV via the human body model. Electrical characteristics include a reverse leakage current of 50 μA maximum at 32 V and a dynamic resistance of 97 Ω measured at a test current of 2 mA.
Feature Summary
- Dual common anode configuration for integrated circuit protection
- High electrostatic discharge robustness per AEC-Q101 standards
- Silicon planar technology ensuring stable breakdown performance
Applications
- Voltage reference circuits requiring dual channels
- Electrostatic discharge (ESD) protection for signal lines
- Clamping applications in automotive electronic modules
Procurement Notes
Verify component authenticity through authorized distribution channels. Confirm that the ordering suffix matches the required tape-and-reel quantity and packaging specifications. Ensure compliance with RoHS directives and material categorization requirements before finalizing procurement orders.
Selection Notes
Select this variant when a 43 V nominal breakdown voltage with ±5% tolerance is required. Verify that the common anode topology aligns with the circuit design. Confirm thermal management capabilities meet the specified power dissipation limits under expected operating conditions.
Part Context
This component belongs to the AZ23 series of small signal Zener diodes manufactured by Vishay General Semiconductor. The series offers various voltage grades according to the E24 standard and is available in both commercial and automotive qualified versions.
Replacement Considerations
AZ23C43-E3-08
FAQ
What is the dynamic resistance value for the AZ23C43-HE3-08?
The dynamic resistance is 97 Ω, measured at a test current of 2 mA.
Does the AZ23C43-HE3-08 have AEC-Q101 qualification?
Yes, the HE3_A suffix indicates that the device is AEC-Q101 qualified.
What is the maximum reverse leakage current specification?
The maximum reverse leakage current is 50 μA, tested at a reverse voltage of 32 V.
