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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 24V SOT-23-3
- Series：DZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Cathode
- Voltage - Zener (Nom) (Vz)：24 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：28 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 18 V
- 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 DZ23C24-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 24 V with a tolerance of ±5 %. The device operates at a test current of 5 mA and features a maximum power dissipation of 500 mW. It is AEC-Q101 qualified for automotive applications and offers high ESD protection capability exceeding 8 kV via the human body model.
Feature Summary
- AEC-Q101 qualified for automotive reliability
- High electrostatic discharge (ESD) protection capability
- RoHS-compliant HE3_A material category
Applications
- Automotive circuit voltage regulation
- General-purpose voltage reference applications
- Protection against overvoltage transients
Procurement Notes
Verify that the ordering code matches the specific suffix requirements for tape-and-reel packaging and AEC-Q101 qualification. Confirm that the component meets the intended environmental operating range and thermal management constraints before finalizing procurement orders.
Selection Notes
Select this component when a 24 V Zener voltage with ±5 % tolerance is required in a compact SOT-23 footprint. Ensure the application supports the specified 5 mA test current and can accommodate the thermal resistance characteristics defined for the package on standard FR-4 substrates.
Part Context
This part belongs to the DZ23 series of small signal Zener diodes manufactured by Vishay General Semiconductor - Diodes Division. The series covers a wide voltage range from 2.2 V to 75 V, utilizing standardized E24 grading values for consistent performance across different voltage ratings within the product family.
Replacement Considerations
Direct replacements must match the 24 V nominal voltage, ±5 % tolerance, SOT-23 package, and AEC-Q101 qualification status. Verify dynamic impedance and leakage current specifications to ensure compatibility with the original design requirements.
FAQ
What is the ESD protection rating for this component?
The component provides 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 rating?
The maximum power dissipation is 500 mW when mounted on a board with a recommended soldering footprint, based on a thermal resistance junction-to-lead of 250 K/W.
Is this component suitable for automotive applications?
Yes, the DZ23C24-HE3_A-18 variant is explicitly AEC-Q101 qualified, making it suitable for automotive electronic systems.
