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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-08 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 standard tolerance of ±5 %. The device operates within a junction temperature range of -55 °C to +150 °C and features a maximum power dissipation of 300 mW on an FR-4 board. It is AEC-Q101 qualified for automotive applications and offers ESD protection exceeding 8 kV via the human body model.
Feature Summary
- AEC-Q101 qualified for automotive reliability requirements
- High electrostatic discharge (ESD) capability exceeding 8 kV HBM
- RoHS-compliant construction utilizing HE3_A technology
Applications
- Automotive electronic circuit voltage regulation
- General-purpose voltage reference circuits
- Overvoltage protection stages
Procurement Notes
Verify that the ordering suffix matches the required qualification level. The HE3_A suffix indicates AEC-Q101 automotive qualification, whereas the E3 suffix denotes commercial grade. Confirm the tape-and-reel quantity aligns with production needs before finalizing procurement orders.
Selection Notes
Select this component when a precise 24 V reference is required in a compact SOT-23 footprint. Ensure the application environment supports the specified operating temperature range and verify that the 300 mW power dissipation limit on FR-4 substrates meets the thermal design constraints.
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 using the international E24 standard grading system. All variants share the same SOT-23 physical dimensions and electrical testing conditions.
Replacement Considerations
Direct replacements must match the 24 V nominal voltage, ±5 % tolerance, and SOT-23 package. Verify that any substitute component holds equivalent AEC-Q101 certification if automotive compliance is mandatory for the target application.
FAQ
What is the difference between the HE3_A and E3 ordering suffixes?
The HE3_A suffix indicates the device is AEC-Q101 qualified for automotive use, while the E3 suffix denotes a commercial grade product.
What is the maximum power dissipation rating?
The maximum power dissipation is 500 mW based on thermal resistance to leads, but it is limited to 300 mW when mounted on an FR-4 board with the recommended soldering footprint.
Is this component suitable for high-voltage transient protection?
While it offers ESD protection exceeding 8 kV HBM, it is designed primarily as a voltage regulator or reference rather than a dedicated transient suppression device.
