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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)：80 Ohms
- Current - Reverse Leakage @ Vr：-
- 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 DZ23C3V0-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 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 at the test current. It is qualified to AEC-Q101 standards for automotive applications and offers ESD protection exceeding 8 kV (HBM) and 800 V (MM). Power dissipation is rated at 500 mW on FR-4 boards.
Feature Summary
- AEC-Q101 qualified for automotive reliability
- High ESD capability per AEC-Q101 standards
- RoHS-compliant HE3_A material categorization
Applications
- Automotive electronic circuits requiring AEC-Q101 compliance
- Voltage reference and regulation in space-constrained designs
- ESD protection for sensitive signal lines
Procurement Notes
Verify the complete part number including the suffix -HE3_A-18 to confirm AEC-Q101 qualification and reel packaging specifications. Ensure compatibility with standard SMT reflow profiles and check for any specific environmental compliance documentation required by the target application region.
Selection Notes
Select this component when a 3.0 V Zener reference is needed in an SOT-23 footprint with automotive-grade reliability requirements. Consider the 95 Ω dynamic resistance and 10 μA leakage current limits against circuit sensitivity needs. Verify that the 500 mW power dissipation rating aligns with the thermal management capabilities of the host PCB design.
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, all graded to the E24 standard. The DZ23C3V0 variant specifically targets low-voltage regulation applications within the common cathode configuration family.
Replacement Considerations
Direct replacements must match the 3.0 V nominal voltage, SOT-23-3 package, and AEC-Q101 qualification. Cross-referencing should prioritize components with similar dynamic resistance and leakage characteristics to ensure circuit performance parity.
FAQ
What is the ESD protection rating for the DZ23C3V0-HE3_A-18?
According to AEC-Q101 standards, it provides human body model (HBM) protection greater than 8 kV and machine model (MM) protection greater than 800 V.
How does the power dissipation change with ambient temperature?
The device can dissipate up to 500 mW at lower temperatures, but derating is required as ambient temperature increases, following the admissible power dissipation curve provided in the datasheet.
What is the marking code for this specific part?
The marking code for the DZ23C3V0 is V42.
