ZXT12N20DXTA

Overview

The ZXT12N20DXTA is a dual NPN silicon low saturation switching transistor manufactured by Diodes Incorporated. It features a SuperSOT4™ MSOP8 package and provides a continuous collector current of 3.5 A with a collector-emitter voltage rating of 20 V. The device utilizes a matrix structure to achieve extremely low on-state losses, characterized by an equivalent on resistance of 40 mΩ. Electrical specifications include a collector-base breakdown voltage of 50 V, a transition frequency of 112 MHz, and a static forward current transfer ratio (hFE) characterized up to 10 A.

Feature Summary

• Ultra-low saturation voltage and equivalent on resistance for high efficiency
• Dual configuration within a compact MSOP8 package
• High gain characterization extending up to 10 A collector current

Applications

• DC-DC converters
• Power management functions
• Motor control circuits

Procurement Notes

Verify the component status as obsolete or end-of-life through official manufacturer channels before procurement planning. Confirm availability of replacement alternatives if necessary. Ensure that any substitute components meet the required electrical parameters and physical footprint specifications for your specific application design.

Selection Notes

Select this component for applications requiring low voltage switching with minimal power loss. Consider the thermal resistance values when designing PCB layouts, as heat dissipation depends on copper coverage and airflow conditions. Verify that the drive circuitry can supply the necessary base current to maintain the transistor in deep saturation during operation.

Part Context

This part belongs to the ZXT12N20DX series of dual NPN transistors from Diodes Incorporated. It is designed using advanced assembly techniques combined with a Zetex matrix structure to optimize performance in low voltage environments. The product line targets high-efficiency switching applications where size and thermal performance are critical constraints.

Replacement Considerations

Public confirmed substitute part numbers: None available.