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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 47V SOT-23-3
- Series：AZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：47 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：100 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 35 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 AZ23C47-HE3-08 is a dual common anode silicon planar Zener diode array from the Vishay AZ23 series, housed in a SOT-23 surface-mount package. It features a nominal Zener voltage of 47 V with a ±5% tolerance and a maximum power dissipation of 300 mW on an FR-4 board. The device operates within a temperature range of -55 °C to +150 °C and is AEC-Q101 qualified for automotive applications.
Feature Summary
- Dual common anode configuration integrating two Zener elements in a single compact SOT-23 package
- AEC-Q101 qualification ensuring reliability for demanding automotive electronic environments
- High electrostatic discharge (ESD) protection capability exceeding 8 kV via human body model
Applications
- Automotive circuit voltage regulation and clamping
- Transient voltage suppression in sensitive signal lines
- Reference voltage generation in dual-channel monitoring systems
Procurement Notes
Verify the specific HE3_A suffix indicates AEC-Q101 qualification status. Confirm the -08 tape and reel packaging details match production requirements. Ensure the component meets RoHS compliance standards before final integration into the supply chain.
Selection Notes
Select this part when a dual common anode topology is required for space-constrained designs. Verify that the 47 V nominal voltage aligns with the target circuit threshold. Consider the 300 mW thermal limit under expected operating conditions.
Part Context
This component belongs to the AZ23 series of small signal Zener diodes manufactured by Vishay Semiconductors. The series offers various voltage grades according to the E24 standard, providing standardized options for general-purpose voltage reference and protection tasks.
Replacement Considerations
AZ23C47-E3-08
FAQ
What is the dynamic resistance at the test current?
The dynamic resistance (ZZ) is specified as a maximum of 97 Ω at the test current of 2 mA.
Does the ordering suffix affect the electrical function?
No, the suffixes indicate packaging and qualification variations; the electrical characteristics remain consistent across the base part number.
What is the reverse leakage current specification?
The maximum reverse leakage current is 50 nA when measured at a reverse voltage of 35 V.
