ZXTN04120HFFTA

Single Bipolar Transistors Overview

The ZXTN04120HFFTA is an NPN medium power Darlington transistor manufactured by Diodes Incorporated, housed in a compact SOT23F package. It features a collector-emitter breakdown voltage (BVCEO) exceeding 120V and supports a continuous collector current of 1A. The device exhibits a low saturation voltage of less than 1.5V at 1A and an equivalent on-resistance of 38mΩ. With a power dissipation rating of 1.5W and compliance with AEC-Q101 standards, it is designed for high-reliability applications requiring efficient switching in space-constrained environments.

Single Bipolar Transistors Feature Summary

• High-voltage capability with BVCEO greater than 120V
• Low saturation voltage for efficient power handling
• Qualified to AEC-Q101 automotive reliability standards
• Totally lead-free and fully RoHS compliant

Single Bipolar Transistors Applications

• Lamp drive circuits
• Relay driver stages
• Solenoid control systems
• General lighting applications

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix 'TA' corresponds to the required reel size and tape width configuration before procurement. Confirm that the component meets all applicable environmental directives, including RoHS 2 and halogen-free requirements, as specified in the manufacturer's documentation. Ensure the supplier provides traceable documentation confirming AEC-Q101 qualification status for automotive-grade deployment.

Single Bipolar Transistors Selection Notes

Select this component when a high-voltage NPN switch is required within a small footprint. The SOT23F package offers a balance between thermal performance and board space efficiency. Consider the complementary PNP type ZXTP05120FF if push-pull configurations are necessary. Evaluate the thermal resistance parameters against the expected ambient temperature and PCB copper area to ensure adequate heat dissipation during operation.

Single Bipolar Transistors Part Context

This part belongs to the ZXTN series of medium power Darlington transistors from Diodes Incorporated. The series is engineered for applications demanding high gain and robust switching capabilities in compact form factors. The SOT23F package variant specifically targets designs where standard surface-mount packages may not fit the spatial constraints of the printed circuit board layout.

Single Bipolar Transistors Replacement Considerations

The datasheet identifies the ZXTP05120FF as the complementary PNP type within the same product family. Direct pin-to-pin replacements from other manufacturers require verification of matching electrical characteristics, particularly breakdown voltages and saturation levels, to ensure circuit compatibility.