RN4985,LXHF(CT

Overview

The RN4985,LXHF(CT) is a dual digital transistor from Toshiba Semiconductor and Storage, featuring an integrated NPN and PNP configuration within a US-6 (SOT-363) surface-mount package. It operates with a collector-emitter voltage of 50V and a continuous collector current of 100mA. The device includes built-in bias resistors: R1 is typically 2.2kOhms and R2 is typically 47kOhms. It supports a maximum power dissipation of 200mW and functions up to a maximum operating temperature of +150°C. The component meets AEC-Q101 automotive qualification standards.

Feature Summary

• Integrates NPN and PNP transistors with pre-biased resistors in a single compact package
• Automotive-grade reliability certified under AEC-Q101 standards
• High thermal stability supporting operation up to +150°C

Applications

• Automotive interface circuits requiring space-saving solutions
• Driver circuits for compact electronic equipment
• Switching applications in automotive control modules

Procurement Notes

Verify the specific suffix LXHF(CT) against official Toshiba documentation to confirm packaging details and compliance status. Ensure compatibility with automated assembly processes by checking reel specifications. Confirm that the AEC-Q101 qualification aligns with target automotive application requirements before finalizing procurement orders.

Selection Notes

Select this component when a symmetrical NPN/PNP pair with high input resistance ratios is required. The 2.2kOhm base resistor suits applications needing moderate drive currents. Compare power dissipation ratings against thermal constraints in dense PCB layouts. Verify that the US-6 package dimensions fit the designated footprint on the circuit board design.

Part Context

This part belongs to Toshiba's RN49xx series of digital transistors designed for automotive and industrial use. The series offers various resistor combinations to simplify circuit design. The LXHF(CT) designation indicates specific tape-and-reel packaging suitable for high-volume surface-mount manufacturing processes.

Replacement Considerations

RN4905,LF(CT) is listed as a parameter-equivalent alternative. Verify pinout symmetry and resistor values match the original design requirements before substitution.