NUS2401SNT1

Overview

The onsemi NUS2401SNT1 is a pre-biased bipolar transistor array housed in an SC-74 surface-mount package. It integrates two NPN transistors and one PNP transistor within a single component. The device supports a maximum collector-emitter voltage of 50V and a continuous collector current of 200mA. Power dissipation is rated at 350mW. This configuration simplifies circuit design by reducing the number of discrete components required for switching applications.

Feature Summary

• Integrates two NPN and one PNP transistor in a single package
• Pre-biased configuration reduces external component count
• Surface-mount construction suitable for automated assembly

Applications

• General purpose switching circuits
• Driver stages for low-power loads
• Logic interface buffering

Procurement Notes

Verify the complete ordering part number, including suffixes such as 'T' or 'G', to ensure correct tape-and-reel packaging quantities and lead-free compliance. Confirm that the SC-74 footprint matches the target PCB layout. Cross-reference the specific datasheet revision to validate electrical characteristics against the intended operating conditions.

Selection Notes

Select this component when space constraints require multiple transistor functions in a small outline. The integrated biasing resistors simplify drive requirements compared to discrete BJTs. Ensure the total power dissipation remains within the 350mW limit under worst-case thermal conditions. Verify that the 50V voltage rating exceeds the maximum circuit potential.

Part Context

This device belongs to onsemi's family of pre-biased bipolar transistor arrays. These components are designed to replace multiple discrete transistors and resistors, thereby saving board space and assembly time. The SC-74 package offers a compact solution for consumer electronics and portable devices where size is critical.

Replacement Considerations

Check for direct pin-compatible alternatives from other manufacturers offering similar NPN/PNP configurations. Verify that substitute parts match the 50V rating and 200mA current capability. Ensure the replacement maintains the same SC-74 footprint and thermal performance characteristics.