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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 5.1V SOT-23-3
- Series：DZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Cathode
- Voltage - Zener (Nom) (Vz)：5.1 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：30 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 800 mV
- Operating Temperature：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 DZ23C5V1-HE3_A-18 is a silicon planar Zener diode from the Vishay DZ23 series, housed in an SOT-23 surface-mount package. It features a nominal Zener voltage of 5.1 V with a ±5% tolerance and a test current of 5 mA. The device has a maximum power dissipation of 300 mW on an FR-4 board and operates within a temperature range of -55 °C to +150 °C. It is AEC-Q101 qualified for automotive applications and offers ESD protection exceeding 8 kV (HBM) and 800 V (MM).
Feature Summary
- AEC-Q101 qualified for automotive reliability standards.
- High electrostatic discharge capability exceeding 8 kV human body model.
- RoHS-compliant construction with HE3_A suffix indicating automotive grade.
Applications
- Automotive electronic circuit voltage regulation.
- General-purpose voltage reference applications.
- Protection against overvoltage transients in sensitive circuits.
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm that the HE3_A suffix corresponds to the specific AEC-Q101 qualification required for your application. Request official datasheets and material compliance documentation prior to procurement to ensure alignment with project specifications.
Selection Notes
Select this component when a 5.1 V reference with tight tolerance is needed in a compact SOT-23 footprint. Ensure the design accommodates the 300 mW power dissipation limit at expected ambient temperatures. Verify that the -55 °C to +150 °C operating range meets environmental requirements for the target deployment scenario.
Part Context
This part belongs to the DZ23 series of small signal Zener diodes manufactured by Vishay Semiconductors. The series provides various voltage options graded according to the E24 standard. The HE3_A variant specifically denotes RoHS compliance combined with AEC-Q101 qualification, distinguishing it from commercial grade counterparts.
Replacement Considerations
Direct replacements must match the 5.1 V Zener voltage, SOT-23 package, and AEC-Q101 qualification. Verify dynamic resistance and leakage current specifications to ensure functional equivalence in the existing circuit design without requiring layout modifications.
FAQ
What is the ESD protection rating for this component?
The device provides ESD protection greater than 8 kV according to the Human Body Model (HBM) and greater than 800 V according to the Machine Model (MM), as specified under AEC-Q101 standards.
How does the HE3_A suffix affect the component's specifications?
The HE3_A suffix indicates that the component is RoHS-compliant and qualified to the AEC-Q101 automotive reliability standard, differentiating it from the commercial grade E3 version.
What is the maximum power dissipation on an FR-4 board?
The maximum power dissipation is 300 mW when mounted on an FR-4 board using the recommended soldering footprint.
