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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 18V SOT-23
- Series：-
- Mfr：MCC (Micro Commercial Components)
- Package：Tape & Reel (TR),Cut Tape (CT)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：18 V
- Tolerance：±2.22%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：45 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 12.6 V
- Operating Temperature：-55°C ~ 150°C (TJ)
- Grade：Automotive
- Qualification：AEC-Q101
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23
- Voltage - Forward (Vf) (Max) @ If：-
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Overview
The AZ23B18HE3-TP is a dual common anode Zener diode manufactured by Micro Commercial Components (MCC). It features a SOT-23-3 surface-mount package and operates within a temperature range of -55°C to +150°C. The device has a nominal Zener voltage of 18 V, a maximum power dissipation of 300 mW, and a maximum reverse leakage current of 100 nA. Its Zener impedance is specified at 45 Ohms with a test current of 5 mA, and it exhibits a voltage temperature coefficient of 16 mV/°C.
Feature Summary
- Dual common anode configuration for space-efficient circuit design
- High-temperature resilience suitable for demanding environments
- Compact SOT-23-3 surface-mount packaging
Applications
- Voltage reference circuits
- Over-voltage protection
- Clamping applications in automotive electronics
Procurement Notes
Verify the specific part number against official MCC documentation to ensure compatibility with design requirements. Confirm that the dual common anode configuration meets the intended circuit topology. Check for any recent updates to the datasheet regarding electrical characteristics or compliance standards before finalizing procurement decisions.
Selection Notes
Select this component when a dual Zener solution in a small footprint is required. Ensure the 18 V breakdown voltage aligns with the target regulation level. Verify that the 300 mW power rating is sufficient for the expected operating conditions and thermal environment of the application.
Part Context
This component belongs to the AZ23B series of dual Zener diodes from Micro Commercial Components. It shares the SOT-23-3 package and general specifications with other variants in the family, differing primarily in Zener voltage ratings. The series is designed for compact electronic designs requiring multiple voltage references or protection functions.
Replacement Considerations
Direct substitutes include other AZ23B18HE3-TP units from authorized distributors. Alternative dual Zener diodes in SOT-23-3 packages with similar 18 V ratings may be considered if electrical parameters match closely.
