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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：-
- Qualification：-
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23-3
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Overview
The AZ23C43-E3-08 is a dual common anode silicon planar Zener diode array from Vishay Semiconductors, housed in a 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 dissipates up to 300 mW on an FR-4 board. Electrical characteristics include a maximum reverse leakage current of 50 μA at 32 V and a dynamic resistance of 97 Ω at the test current of 2 mA.
Feature Summary
- Dual common anode configuration for space-efficient circuit designs
- Silicon planar construction ensuring robust performance
- ESD protection capability exceeding 8 kV via human body model
Applications
- Voltage reference circuits requiring dual stable potentials
- Clamping and protection stages in signal processing paths
- Biasing networks in low-power electronic assemblies
Procurement Notes
Verify the specific ordering code suffix against project requirements to ensure correct packaging format. Confirm that the commercial grade designation aligns with environmental compliance standards. Validate component authenticity through authorized distribution channels prior to integration into manufacturing workflows.
Selection Notes
Select this variant when a dual common anode topology is required alongside a precise 43 V regulation point. Ensure the ±5 % tolerance meets the design margin constraints. Verify that the SOT-23 footprint matches the PCB layout specifications and thermal management capabilities.
Part Context
This component belongs to the AZ23 series of small signal Zener diodes manufactured by Vishay General Semiconductor. The series offers a wide range of graded voltages according to the E24 standard, providing designers with standardized options for various voltage regulation needs across consumer and industrial electronics.
Replacement Considerations
AZ23B43-E3-08 (±2% tolerance)
FAQ
What is the dynamic resistance of the AZ23C43-E3-08?
The dynamic resistance is specified as 97 Ω at a test current of 2 mA.
Does the AZ23C43-E3-08 have AEC-Q101 qualification?
No, the base P/N-E3 is designated as commercial grade and does not carry AEC-Q101 qualification.
What is the maximum operating junction temperature?
The maximum operating junction temperature is +150 °C.
