BCX19,235

Overview

The BCX19,235 is a single NPN silicon bipolar junction transistor manufactured by Nexperia. It is housed in the SOT-23 (TO-236AB) surface-mount package. The device supports a maximum collector current of 500 mA and a collector-emitter voltage of 45 V. Key electrical parameters include a collector-base voltage of 50 V, an emitter-base voltage of 5 V, and a power dissipation rating of 250 mW. The component features a gain-bandwidth product of 100 MHz and operates within a temperature range of -65 °C to +150 °C.

Feature Summary

• High current handling capability suitable for general-purpose switching applications
• Low saturation voltage characteristics for efficient driver performance
• Automotive-grade qualification ensuring reliability under harsh conditions

Applications

• Saturated switching circuits
• Driver applications for industrial service equipment
• Thick and thin-film circuit implementations

Procurement Notes

Verify the specific suffix against official Nexperia documentation to confirm package type and compliance status. Ensure the ordering code matches the required SOT-23 configuration. Cross-reference datasheet revisions to validate electrical limits before integration into final designs.

Selection Notes

Select this component for designs requiring robust NPN switching with high current capacity in a compact footprint. Consider the 45 V breakdown voltage and 500 mA limit when sizing for load requirements. Verify thermal management needs given the 250 mW dissipation rating in small packages.

Part Context

This part belongs to the BCX series of general-purpose transistors from Nexperia. It serves as the NPN complement to the BCX18 PNP transistor. The series is designed for versatile use in consumer and automotive electronics where reliable switching and moderate power handling are required.

Replacement Considerations

The BCX19,215 is a documented variant within the same family. Verify pinout compatibility and exact electrical tolerances before substitution.