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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 3.3V SOT-23-3
- Series：AZ23-G
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：3.3 V
- Tolerance：±2%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：95 Ohms
- Current - Reverse Leakage @ Vr：-
- 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 AZ23B3V3-G3-18 is a dual common anode silicon planar Zener diode array from Vishay, housed in a SOT-23 surface-mount package. It provides two independent voltage references with a nominal Zener voltage of 3.3 V and a tight tolerance of ±2%. The device operates at a test current of 5 mA, featuring a maximum reverse leakage current of 5 µA and a dynamic resistance of 95 Ω. It supports a junction temperature up to 150 °C and is supplied in tape-and-reel packaging for automated assembly.
Feature Summary
- Dual common anode configuration integrates two Zener elements into a single compact footprint.
- High precision ±2% voltage tolerance ensures stable reference performance.
- ESD protection capability exceeding 8 kV via human body model standards.
Applications
- Precision voltage reference circuits
- Signal conditioning and threshold detection
- Over-voltage protection stages
Procurement Notes
Verify the specific suffix -18 indicates 10,000 units per reel on 13-inch tape. Confirm RoHS compliance and material categorization status directly with the manufacturer or authorized distributors before finalizing procurement orders.
Selection Notes
Select this component when a dual-channel reference with high accuracy is required in a small form factor. Ensure the circuit design accommodates the 95 Ω dynamic resistance and 5 µA leakage current specifications at the operating temperature range.
Part Context
This part belongs to the AZ23-G series of small signal Zener diodes. The 'B' designation specifies the tighter ±2% tolerance compared to the standard ±5% 'C' grade. The series covers a wide voltage range from 2.2 V to 75 V across various packages.
Replacement Considerations
AZ23C3V3-G3-18 (±5% tolerance variant)
FAQ
What is the marking code for the AZ23B3V3-G3-18?
The marking code for this device is DD3.
Does the AZ23B3V3-G3-18 have AEC-Q101 automotive qualification?
Standard commercial versions are not automatically qualified; AEC-Q101 qualification is available upon request from the manufacturer.
What is the thermal resistance junction-to-ambient value?
The thermal resistance junction-to-ambient (RthJA) is 420 K/W when mounted on an FR-4 board with the recommended soldering footprint.
