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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)：75 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 DZ23C2V7-HE3_A-18 is a silicon planar Zener diode from the Vishay DZ23 series, housed in an SOT-23 surface-mount package. It provides a nominal Zener voltage of 2.7 V with a tolerance of ±5%. The device operates at a test current of 5 mA and features a maximum reverse leakage current of 20 µA at 1 V. Dynamic resistance is specified at 83 Ω (max) at Izt1 and 500 Ω (max) at Izt2. It is AEC-Q101 qualified for automotive applications, supports a junction temperature up to 150 °C, and offers ESD protection exceeding 8 kV via the human body model.
Feature Summary
- AEC-Q101 qualified for automotive reliability requirements
- ESD capability exceeding 8 kV (HBM) and 800 V (MM)
- RoHS-compliant construction with HE3_A ordering suffix
Applications
- Automotive voltage regulation circuits
- General-purpose voltage reference applications
- Protection against electrostatic discharge events
Procurement Notes
Verify component authenticity by cross-referencing the manufacturer's part number and datasheet revision with authorized distribution channels. Confirm that the specific HE3_A suffix matches the required AEC-Q101 qualification status. Ensure storage conditions comply with moisture sensitivity level 1 standards prior to soldering.
Selection Notes
Select this component when a precise 2.7 V reference is required within a compact SOT-23 footprint. The low dynamic resistance at higher currents makes it suitable for stable regulation. Verify that the operating environment remains within the -55 °C to +150 °C range to maintain specified electrical characteristics.
Part Context
This device 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, graded according to the international E24 standard. All variants share the same SOT-23 package dimensions and thermal characteristics, differing primarily in their specific breakdown voltage ratings.
Replacement Considerations
Direct replacements must match the 2.7 V nominal voltage, SOT-23 package, and AEC-Q101 qualification. Verify that alternative components meet the same ±5% tolerance and dynamic resistance specifications to ensure circuit performance parity.
