ZXTN19020DGTA

Single Bipolar Transistors Overview

The ZXTN19020DG is a high-gain NPN bipolar junction transistor manufactured by Diodes Incorporated, housed in an SOT-223 surface-mount package. It features a collector-emitter breakdown voltage (BVCEO) exceeding 20V and a collector-base breakdown voltage (BVCBO) greater than 70V. The device supports a continuous collector current of 9A with a peak pulse current capability of 20A. Electrical characteristics include a low saturation voltage of less than 35mV at 1A and a DC current gain ranging from 300 to 900 at 100mA. Thermal resistance from junction to ambient is specified at 104°C/W under standard conditions.

Single Bipolar Transistors Feature Summary

• High continuous collector current capability up to 9A for robust power handling
• Low saturation voltage ensuring efficient switching performance
• High DC current gain suitable for sensitive drive applications
• Qualified to AEC-Q101 standards for automotive reliability

Single Bipolar Transistors Applications

• Power supply unit start-up circuits
• DC-DC converters
• Motor drive systems
• Relay, lamp, and solenoid drive

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix 'TA' against official documentation to confirm reel size and tape width specifications. Ensure compliance with RoHS directives and confirm halogen-free status requirements match project constraints. Cross-reference thermal derating curves with actual PCB copper area to validate power dissipation limits before finalizing procurement quantities.

Single Bipolar Transistors Selection Notes

Select this component when high current switching and low saturation voltage are required in a compact SOT-223 footprint. Consider the complementary PNP type ZXTP19020DG if push-pull configurations are needed. Evaluate thermal management strategies based on the specified junction-to-ambient resistance values and expected operating temperature ranges.

Single Bipolar Transistors Part Context

This part belongs to the ZXTN19020 series of high-gain transistors designed for power switching applications. It is complemented by the PNP variant ZXTP19020DG. The series is engineered for efficiency in modern power supplies and motor control systems, offering improved performance over standard general-purpose transistors while maintaining automotive-grade reliability through AEC-Q101 qualification.

Single Bipolar Transistors Replacement Considerations

Consult the manufacturer's cross-reference tool for parametrically similar parts. Verify pinout compatibility and thermal characteristics before substituting.