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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 4.3V SOT-23
- Series：-
- Mfr：MCC (Micro Commercial Components)
- Package：Tape & Reel (TR),Cut Tape (CT)
- Configuration：1 Pair Common Cathode
- Voltage - Zener (Nom) (Vz)：4.3 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：95 Ohms
- Current - Reverse Leakage @ Vr：5 µA @ 1 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 DZ23C4V3HE3-TP is a dual Zener diode array manufactured by Micro Commercial Components (MCC). It features two common cathode Zener diodes integrated into a single SOT-23 package. The nominal Zener voltage is 4.3 V, with a test current of 5.0 mA and a maximum impedance of 95 Ω at this current. The device supports a maximum power dissipation of 300 mW and operates within a junction temperature range of -55°C to +150°C. It holds AEC-Q101 qualification for automotive applications.
Feature Summary
- Dual Zener diodes in a common cathode configuration within a compact SOT-23 package
- AEC-Q101 qualified for automotive reliability standards
- Tight voltage matching between the two internal diodes with a delta Vz of less than or equal to 5%
- Halogen-free construction with UL 94 V-0 flammability rating
Applications
- Automotive electronic circuits requiring dual voltage references
- Signal conditioning and protection in surface mount assemblies
- Voltage regulation tasks in space-constrained PCB layouts
Procurement Notes
Verify component authenticity through authorized MCC distributors to avoid counterfeit risks. Confirm that the ordering suffix indicates RoHS compliance and tape-and-reel packaging. Ensure the specific lot matches the required automotive grade specifications before integration into production lines.
Selection Notes
Select this component when a dual common cathode Zener array is required in an SOT-23 footprint. The 4.3 V nominal voltage and 300 mW power rating define its operational limits. Verify that the 95 Ω impedance meets the circuit requirements at the 5.0 mA test current level.
Part Context
This part belongs to the DZ23C series from Micro Commercial Components, which covers Zener voltages ranging from 2.4 V to 47 V. All devices in this series share the same SOT-23 package dimensions and thermal characteristics while varying in breakdown voltage and associated electrical parameters.
Replacement Considerations
Direct substitutes include other dual common cathode Zener arrays with a 4.3 V nominal voltage in an SOT-23 package. Cross-manufacturer equivalents must match the 300 mW power dissipation and AEC-Q101 qualification if automotive use is intended.
FAQ
What is the maximum Zener impedance for the DZ23C4V3HE3-TP?
The maximum Zener impedance is 95 Ω, measured at a test current of 5.0 mA.
Does the DZ23C4V3HE3-TP meet automotive standards?
Yes, the device is AEC-Q101 qualified for automotive applications.
How are the two Zener diodes configured internally?
The internal structure consists of two Zener diodes connected in a common cathode configuration.
