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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 2.7V SOT-23-3
- Series：DZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Cathode
- Voltage - Zener (Nom) (Vz)：2.7 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：83 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 DZ23C2V7-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 2.7 V with a ±5% tolerance and operates at a test current of 5 mA. The device has a maximum reverse leakage current of 20 µA at 1 V and a dynamic resistance of 83 Ω at IZT1. It is AEC-Q101 qualified for automotive applications, RoHS-compliant, and rated for junction temperatures up to 150 °C.
Feature Summary
- AEC-Q101 qualified for automotive reliability
- ESD protection exceeding 8 kV (HBM) and 800 V (MM)
- RoHS-compliant HE3_A variant
Applications
- Automotive voltage regulation circuits
- General-purpose voltage reference applications
- Protection against electrostatic discharge events
Procurement Notes
Verify that the ordering code includes the HE3 suffix to confirm AEC-Q101 qualification. Confirm the -18 suffix indicates a 10,000-unit reel quantity on an 8 mm tape. Ensure compliance requirements match the specific project standards before finalizing procurement.
Selection Notes
Select this component when a low-voltage Zener reference near 2.7 V is required in an SOT-23 footprint. The HE3 designation ensures automotive-grade reliability. Verify that the 83 Ω dynamic resistance meets the circuit's impedance requirements at the 5 mA operating point.
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, all graded according to the E24 standard. The DZ23C2V7-HE3-18 specifically represents the 2.7 V variant within this lineup.
Replacement Considerations
Cross-reference with other DZ23 series variants for different voltage levels. Check equivalent parts from Diodes Incorporated or Nexperia if sourcing constraints exist, ensuring identical package dimensions and electrical characteristics are maintained.
FAQ
What is the marking code for the DZ23C2V7?
The marking code for the DZ23C2V7 is V41.
Does the HE3 suffix indicate a different function than the base E3 version?
No, the HE3 suffix indicates AEC-Q101 qualification and RoHS compliance, but the electrical function remains the same as the commercial grade E3 version.
What is the temperature coefficient for this specific voltage?
The temperature coefficient ranges from -9 to -4 x 10^-4 /°C at the test current.
