DZ23C30-HE3_A-18

Overview

The DZ23C30-HE3_A-18 is a dual silicon planar Zener diode in the Vishay DZ23 series, housed in an SOT-23 surface-mount package. It features a common cathode configuration with two independent elements. The nominal Zener voltage is 30 V with a ±5% tolerance. Electrical characteristics include a test current of 2 mA, a maximum reverse leakage current of 0.05 µA at 27 V, and a dynamic resistance of 80 Ω at 2 mA. The device supports a power dissipation of 300 mW on an FR-4 board and operates within a temperature range of -55 °C to +150 °C.

Feature Summary

• Dual common cathode configuration for space-efficient circuit design
• AEC-Q101 qualified for automotive reliability standards
• ESD protection exceeding 8 kV (HBM) and 800 V (MM)
• RoHS-compliant construction

Applications

• Automotive electronic circuits requiring AEC-Q101 compliance
• Voltage reference applications utilizing stable Zener regulation
• Protection circuits leveraging high ESD capability

Procurement Notes

Verify component authenticity by cross-referencing the ordering code against official Vishay documentation. Confirm that the HE3 suffix indicates AEC-Q101 qualification and RoHS compliance as specified in the datasheet. Ensure the reel packaging matches the required quantity specifications for production integration.

Selection Notes

Select this component when a dual Zener solution is required in an SOT-23 footprint. The HE3 variant is necessary for automotive-grade applications due to its AEC-Q101 qualification. Verify that the 30 V nominal voltage and 80 Ω dynamic resistance align with the specific circuit requirements.

Part Context

This part belongs to the DZ23 series of small signal Zener diodes manufactured by Vishay Semiconductors. The series offers various voltage grades from 2.2 V to 75 V. The DZ23C30 specifically provides a 30 V rating, while the HE3 suffix denotes automotive qualification compared to the commercial E3 grade.

Replacement Considerations

Compatible substitutes include other DZ23 series variants or equivalent dual Zener diodes from manufacturers such as Diodes Incorporated or Taiwan Semiconductor, provided they match the SOT-23 package and electrical parameters.