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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 3V SOT-23-3
- Series：DZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Cathode
- Voltage - Zener (Nom) (Vz)：3 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：95 Ohms
- Current - Reverse Leakage @ Vr：-
- 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 DZ23C3V0-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 3.0 V with a ±5% tolerance and operates at a test current of 5 mA. The device has a maximum reverse leakage current of 10 μA and a dynamic resistance of 95 Ω. It is AEC-Q101 qualified for automotive applications, offering ESD protection exceeding 8 kV (HBM) and 800 V (MM). Power dissipation is rated at 500 mW on FR-4 boards, with an operating temperature range of -55 °C to +150 °C.
Feature Summary
- AEC-Q101 qualified for automotive reliability
- High ESD capability per human body model and machine model standards
- RoHS-compliant construction
Applications
- Automotive voltage regulation circuits
- ESD protection networks
- Reference voltage generation
Procurement Notes
Verify the specific suffix against official documentation to confirm AEC-Q101 qualification status. Ensure the ordering code matches the required reel quantity and tape specifications. Cross-reference the manufacturer's datasheet for any recent revisions or compliance updates before finalizing procurement.
Selection Notes
Select this component when a 3.0 V reference with tight tolerance is required in an SOT-23 footprint. Consider the 95 Ω dynamic resistance for impedance matching. Verify thermal management requirements against the 500 mW dissipation limit at elevated ambient temperatures.
Part Context
This part belongs to the DZ23 series of small signal Zener diodes manufactured by Vishay Semiconductors. The series covers a wide voltage range from 2.2 V to 75 V. The HE3 suffix indicates AEC-Q101 qualification, distinguishing it from the commercial grade E3 variants within the same physical package family.
Replacement Considerations
Direct substitutes include other DZ23C3V0 variants such as DZ23C3V0-E3-18, noting that the E3 version lacks AEC-Q101 qualification. Verify pinout compatibility and thermal characteristics when considering cross-brand alternatives.
