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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)：60 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 800 mV
- Operating Temperature：-55°C ~ 150°C
- 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-HE3-18 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 operates at a test current of 5 mA. The device has a maximum reverse leakage current of 0.1 µA at 3.8 V and a dynamic resistance of 60 Ω at 5 mA. It is AEC-Q101 qualified for automotive applications, offers ESD protection exceeding 8 kV (HBM) and 800 V (MM), and supports an operating temperature range from -55 °C to +150 °C.
Feature Summary
- AEC-Q101 qualified for automotive reliability
- High electrostatic discharge robustness
- RoHS-compliant commercial grade construction
Applications
- Voltage reference circuits
- Overvoltage protection
- Clamping applications
Procurement Notes
Verify the specific ordering suffix against official documentation to confirm compliance requirements and packaging format. Confirm that the HE3 designation aligns with the intended application environment and qualification standards before finalizing procurement orders.
Selection Notes
Select this component when a 5.1 V reference with tight tolerance is required in a compact SOT-23 footprint. Ensure the thermal management strategy accounts for the specified power dissipation limits under expected ambient conditions.
Part Context
This part belongs to the DZ23 series of small signal Zener diodes manufactured by Vishay Semiconductors. The series provides a wide range of standard Zener voltages graded according to the international E24 standard, offering consistent performance across various low-power electronic designs.
Replacement Considerations
Direct replacements within the same series include other DZ23C5V1 variants such as DZ23C5V1-E3-18 or DZ23C5V1-HE3_A-18, provided the specific qualification and packaging requirements match the design specifications.
FAQ
What is the ESD protection capability of the DZ23C5V1-HE3-18?
The device meets AEC-Q101 ESD capability standards, providing protection greater than 8 kV using the human body model and greater than 800 V using the machine model.
What is the maximum reverse leakage current for this diode?
The maximum reverse leakage current is specified as 0.1 µA when measured at a reverse voltage of 3.8 V.
Is this component suitable for automotive applications?
Yes, the HE3 variant of the DZ23 series is explicitly qualified according to the AEC-Q101 standard for automotive use.
