2SC4519-5-TB-E

Single Bipolar Transistors Overview

The 2SC4519-5-TB-E is a single NPN bipolar junction transistor manufactured by onsemi. It features a collector-emitter voltage rating of 45V and a continuous collector current capacity of 0.5A (500mA). The device is designed for surface mount applications, utilizing the SOT-23 package configuration. Key electrical specifications include a maximum power dissipation of 200mW. This component serves as a general-purpose switching and amplification element within electronic circuits.

Single Bipolar Transistors Feature Summary

• NPN polarity configuration for standard circuit integration
• SOT-23 surface mount packaging for compact board layouts
• 45V collector-emitter voltage withstand capability
• 500mA continuous collector current handling

Single Bipolar Transistors Applications

• General purpose signal amplification
• Low-power switching applications
• Consumer electronics circuit design
• Industrial control module interfaces

Single Bipolar Transistors Procurement Notes

Verify the manufacturer origin, specifically confirming onsemi or authorized SANYO lineage, as multiple suppliers list this part. Ensure the SOT-23 package type matches the schematic requirements. Check for RoHS compliance status if environmental regulations apply to the final assembly. Confirm that the 45V/0.5A ratings meet the specific circuit load demands before ordering.

Single Bipolar Transistors Selection Notes

Select this component when a small-form-factor NPN transistor is required for low-voltage, moderate-current tasks. The SOT-23 package suits space-constrained designs. Ensure the application voltage remains below 45V and current stays under 500mA. Consider thermal management due to the 200mW power dissipation limit in enclosed environments compared to larger packages.

Single Bipolar Transistors Part Context

This transistor belongs to the broader category of single bipolar junction transistors used in active electronic components. It is functionally similar to other SOT-23 packaged NPN devices but is distinguished by its specific 45V and 0.5A ratings. The part number suffix indicates the specific tape-and-reel packaging variant for automated assembly processes.

Single Bipolar Transistors Replacement Considerations

Direct substitutes may include other NPN transistors in the SOT-23 package with equal or higher voltage and current ratings. Verify pinout compatibility to ensure direct replacement without PCB modification. Cross-reference datasheets for matching hFE ranges and switching speeds to maintain circuit performance integrity.