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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 4.3V SOT-23-3
- Series：DZ23-G
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Cathode
- Voltage - Zener (Nom) (Vz)：4.3 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：95 Ohms
- Current - Reverse Leakage @ Vr：-
- Operating Temperature：-55°C ~ 150°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23-3
- Voltage - Forward (Vf) (Max) @ If：-
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Overview
The DZ23C4V3-G3-08 is a silicon planar Zener diode from the Vishay DZ23-G series, housed in an SOT-23 surface-mount package. It features a nominal Zener voltage of 4.3 V with a tolerance of ±5 %. The device operates within a junction temperature range of -55 °C to +150 °C and provides a maximum power dissipation of 300 mW on an FR-4 board. Electrical characteristics include a reverse leakage current of 3 μA at 7 V and a dynamic resistance of 90 Ω at a test current of 1 mA.
Feature Summary
- Silicon planar construction for stable performance
- ESD protection exceeding 8 kV (HBM) and 800 V (MM)
- Green commercial grade material composition
Applications
- Voltage reference circuits
- Overvoltage protection
- Clamping applications
Procurement Notes
Verify compliance with RoHS directives and confirm material categorization details via official Vishay documentation before procurement. Ensure that the ordering suffix matches the required reel size and minimum order quantity specifications provided by the manufacturer.
Selection Notes
Select this component when a 4.3 V Zener voltage with ±5 % tolerance is required in a compact SOT-23 footprint. Consider the 300 mW power dissipation limit on FR-4 boards and the specified thermal resistance values for proper heat management in the target application.
Part Context
This part belongs to the DZ23-G series of small signal Zener diodes manufactured by Vishay Semiconductors. The series offers a wide range of Zener voltages graded according to the international E24 standard, providing designers with standardized options for various voltage regulation needs.
Replacement Considerations
Direct substitutes within the same series include other DZ23Cxx-G3-08 variants with different Zener voltages. Cross-series replacements require matching the SOT-23 package, power dissipation ratings, and electrical characteristics such as Zener voltage and dynamic resistance.
FAQ
What is the ESD capability of the DZ23C4V3-G3-08?
The device has an ESD capability of greater than 8 kV according to the human body model and greater than 800 V according to the machine model, as per AEC-Q101 standards.
What is the maximum power dissipation on an FR-4 board?
The maximum power dissipation is 300 mW when mounted on an FR-4 board with the recommended soldering footprint.
What is the operating temperature range?
The operating temperature range is from -55 °C to +150 °C.
