RN1404,LXHF

Overview

The RN1404,LXHF is a single NPN digital transistor from Toshiba Semiconductor and Storage, part of the RN1404 series. It integrates an NPN bipolar junction transistor with internal biasing resistors in a compact surface-mount package. Key electrical parameters include a collector-emitter voltage (VCEO) of 50 V, a continuous collector current (IC) of 100 mA, and a power dissipation (Pd) of 200 mW. The device features a typical base resistor (R1) of 47 kOhms and an emitter resistor (R2) of 22 kOhms. It operates within a temperature range up to +150°C and holds AEC-Q101 qualification for automotive reliability.

Feature Summary

• Integrates NPN transistor with built-in biasing resistors to simplify circuit design
• AEC-Q101 qualified for automotive applications ensuring high reliability
• Compact SMD packaging suitable for space-constrained designs

Applications

• Automotive electronic control units requiring pre-biased switching
• General-purpose logic level translation and interface circuits
• Switching applications in consumer electronics and industrial equipment

Procurement Notes

Verify the specific suffix LXHF against the manufacturer's official datasheet to confirm pinout compatibility and material composition. Ensure that the ordering information matches the exact component designation required for your bill of materials. Cross-reference with authorized distributors to confirm authenticity and traceability before procurement.

Selection Notes

Select this component when a single NPN digital transistor with integrated biasing is required for low-current switching applications. Consider the 50 V voltage rating and 100 mA current limit to ensure adequate headroom for the target circuit. Verify that the thermal dissipation capabilities align with the expected operating conditions and ambient temperatures.

Part Context

This component belongs to the RN1404 series of digital transistors manufactured by Toshiba Semiconductor and Storage. These devices are designed to replace discrete resistor-transistor networks, reducing board space and assembly costs. The series offers various resistance combinations to suit different drive requirements while maintaining consistent switching characteristics.

Replacement Considerations

Publicly confirmed substitute part numbers for RN1404,LXHF were not identified in the provided source data. Engineers should consult official cross-reference lists or contact the manufacturer directly for verified equivalent components.