DZ23C12-HE3-18

Overview

The DZ23C12-HE3-18 is a dual common cathode Zener diode array manufactured by Vishay General Semiconductor - Diodes Division. It features a nominal Zener voltage of 12 V with a tolerance of ±5% and a maximum power dissipation of 300 mW. The device utilizes an SOT-23-3 surface-mount package and operates within a junction temperature range of -55°C to +150°C. It exhibits a Zener impedance of 7 ohms and complies with RoHS standards.

Feature Summary

• Dual common cathode configuration for space-efficient circuit design
• Automotive-grade qualification ensuring reliability in demanding environments
• Lead-free construction compliant with international environmental directives

Applications

• Voltage reference circuits requiring stable dual supply rails
• Protection stages in automotive electronic control units
• Signal conditioning modules in industrial sensor interfaces

Procurement Notes

Verify the specific suffix HE3 against current manufacturer documentation to confirm lead-free status and compliance with updated environmental regulations. Confirm package marking codes match the SOT-23-3 footprint requirements for your PCB layout. Ensure the dual common cathode topology aligns with your schematic before finalizing procurement orders.

Selection Notes

Select this component when a compact dual Zener solution is required for voltage regulation or clamping applications. The SOT-23-3 package offers a small footprint suitable for high-density board designs. Verify that the 12 V breakdown voltage and 300 mW power rating meet the thermal and electrical constraints of the target application environment.

Part Context

This part belongs to the DZ23 series of Zener diode arrays from Vishay. The series provides multiple voltage options in a standardized SOT-23-3 package, allowing designers to maintain consistent footprints across different voltage requirements while utilizing dual-diode functionality for cost and space optimization.

Replacement Considerations

DZ23C12-G3-18: Alternative packaging option within the same series. DZ23C12-E3-18: Different manufacturing process variant. Verify pinout compatibility and electrical specifications before substitution.