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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 18V SOT-23-3
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Cathode
- Voltage - Zener (Nom) (Vz)：18 V
- Tolerance：±6.38%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：50 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 14 V
- Operating Temperature：-65°C ~ 150°C (TJ)
- Grade：Automotive
- Qualification：AEC-Q101
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23-3
- Voltage - Forward (Vf) (Max) @ If：-
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Overview
The DZ23C18Q-7-F is a dual Zener diode array manufactured by Diodes Incorporated, housed in an SOT-23-3 surface-mount package. It features a common cathode configuration with a nominal Zener voltage of 18 V and a power dissipation rating of 300 mW. The device exhibits a maximum reverse leakage current of 100 nA and a Zener impedance of 50 Ohms at the test current of 5 mA. It operates within a temperature range of -65°C to +150°C and holds AEC-Q101 qualification for automotive applications.
Feature Summary
- Dual Zener diodes integrated into a single compact SOT-23-3 package for space-constrained designs.
- Common cathode configuration simplifies circuit layout and reduces component count.
- Qualified under AEC-Q101 standards for reliability in automotive electronic environments.
Applications
- Automotive electronics requiring qualified voltage reference components
- Voltage clamping and protection circuits in compact PCB layouts
- Signal conditioning and level shifting in consumer electronics
Procurement Notes
Verify the specific suffix 'Q' against official manufacturer documentation to confirm AEC-Q101 automotive qualification status, as standard variants may lack this certification. Ensure the ordering code matches the exact voltage tolerance and packaging requirements specified in the latest datasheet revision to avoid functional mismatches during integration.
Selection Notes
Select this component when a dual Zener solution is required in an SOT-23-3 footprint with automotive reliability needs. Compare the 50 Ohm impedance and 100 nA leakage specifications against circuit requirements to ensure adequate performance for the intended voltage regulation or clamping application without exceeding thermal limits.
Part Context
This part belongs to the DZ23C series of dual Zener arrays from Diodes Incorporated. Similar parts include the DZ23C18-7-F (non-automotive) and other voltage variants like the DZ23C12Q-7-F. The series offers consistent packaging and electrical characteristics across different voltage ratings for design flexibility.
Replacement Considerations
The DZ23C18-7-F serves as a non-qualified alternative if automotive certification is not required. Verify pinout compatibility and electrical parameters before substitution. No direct public substitute part numbers are confirmed for this specific qualified variant.
