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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 16V SOT-23-3
- Series：AZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：16 V
- Tolerance：±2%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：40 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 12 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 AZ23B16-E3-18 is a dual common anode Zener diode array manufactured by Vishay General Semiconductor - Diodes Division. It features a nominal Zener voltage of 16 V with a tight tolerance of ±2%. The device operates at a test current of 5 mA and provides a maximum reverse leakage current of 0.05 µA at 12 V. Dynamic resistance is specified at 40 Ω, while the temperature coefficient ranges from 8 to 9.5 x 10⁻⁴/°C. Rated for surface mount installation in an SOT-23 package, it dissipates up to 300 mW on FR-4 boards and functions within a temperature range of -55°C to +150°C.
Feature Summary
- Dual common anode configuration for space-efficient circuit designs
- Tight ±2% voltage tolerance for precision regulation applications
- Low reverse leakage current ensuring minimal power loss
- Automotive-grade ESD protection exceeding 8 kV HBM
Applications
- Precision voltage reference circuits
- Over-voltage protection stages
- Signal clipping and waveform shaping
Procurement Notes
Verify the complete ordering code matches the required specifications before procurement. Confirm that the suffix indicates commercial grade status rather than AEC-Q101 automotive qualification. Ensure the tape and reel quantity aligns with production requirements. Cross-reference the manufacturer part number against official distributor catalogs to confirm authenticity and current availability status.
Selection Notes
Select this component when a precise 16 V reference is required in a compact footprint. The ±2% tolerance makes it suitable for applications demanding tighter voltage accuracy than standard ±5% variants. Consider the dynamic resistance and temperature coefficient for thermal stability requirements. Verify that the common anode topology fits the existing schematic design constraints.
Part Context
This device belongs to the AZ23 series of small signal Zener diodes. The series offers a wide range of voltages from 2.2 V to 75 V. Variants are available with different tolerances and packaging options. The AZ23B16-E3-18 specifically utilizes the 'B' designation for 2% tolerance and the '-18' suffix for 10,000 units per reel in SOT-23 packaging.
Replacement Considerations
AZ23B16-E3-08 (Same electrical specs, 3000 units per reel)
FAQ
What is the marking code for the AZ23B16?
The marking code for the AZ23B16 is DF0.
Does the AZ23B16-E3-18 have AEC-Q101 qualification?
No, the base P/N-E3 indicates commercial grade. AEC-Q101 qualified versions use the HE3_A suffix.
What is the maximum reverse leakage current at 12 V?
The maximum reverse leakage current is 0.05 µA at 12 V.
