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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 3.3V SOT-23-3
- Series：DZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Cathode
- Voltage - Zener (Nom) (Vz)：3.3 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 Vishay DZ23C3V3-HE3-18 is a silicon planar Zener diode from the DZ23 series, housed in an SOT-23 surface-mount package. It provides a nominal Zener voltage of 3.3 V with a tolerance of ±5 %. The device operates at a test current of 5 mA and features a maximum reverse leakage current of 5 μA at 1 V. Dynamic resistance is specified at 95 Ω (max) at the test current. It is AEC-Q101 qualified for automotive applications and offers ESD protection exceeding 8 kV via the human body model.
Feature Summary
- AEC-Q101 qualified for automotive reliability requirements
- Silicon planar construction with low noise characteristics
- High electrostatic discharge robustness exceeding 8 kV HBM
Applications
- Automotive electronic circuits requiring voltage reference stability
- General-purpose voltage regulation in compact PCB layouts
- ESD protection stages in sensitive signal lines
Procurement Notes
Verify that the ordering suffix matches HE3_A to confirm AEC-Q101 qualification status. Ensure the reel size corresponds to the -18 designation for 10,000 units per 13-inch tape. Confirm RoHS compliance documentation aligns with the specific manufacturing batch before integration into production lines.
Selection Notes
Select this component when a 3.3 V reference is required in space-constrained designs utilizing the SOT-23 footprint. The HE3 variant is necessary if automotive grade reliability and high ESD immunity are mandatory design constraints. Verify thermal dissipation limits against the expected ambient temperature range.
Part Context
This part belongs to the Vishay DZ23 series of small signal Zener diodes. The series covers a wide voltage range from 2.2 V to 75 V using standardized E24 grading. The DZ23C3V3-HE3-18 specifically denotes the 3.3 V variant packaged in reels of 10,000 units with automotive qualification.
Replacement Considerations
Direct substitutes within the same family include other DZ23C3V3 variants such as DZ23C3V3-E3-18 or DZ23C3V3-HE3-08, depending on packaging and qualification needs.
