The BCR191T is a digital bipolar transistor (BJT) from Infineon Technologies, featuring integrated resistors. This NPN transistor is designed to simplify circuit design by incorporating biasing resistors internally. It is commonly used in switching applications and offers a compact solution for reducing component count.

Applications

• Switching circuits
• Digital logic inverters
• General purpose amplification
• Load drivers
• Interface circuits

Features

• Integrated base resistor (R1 = 47kΩ)
• NPN transistor
• Small SOT-23 package
• Low saturation voltage
• Reduced component count

Benefits

• Reduced PCB space requirements due to the SOT-23 package and integrated resistor.
• Lower Bill of Materials (BOM) cost as a result of reduced external components.
• Simplified circuit design.
• Improved circuit stability and performance.
• Easy integration into automated assembly processes.

Additional Details

The BCR191T has a collector-emitter voltage (VCEO) rating of 50V and a continuous collector current (IC) rating of 100mA. The integrated resistor ensures a well-defined input current, making it suitable for direct interface with digital circuits. The SOT-23 package ensures easy handling and assembly. This transistor is designed for applications where both space and cost are critical considerations. It is RoHS compliant. It is particularly useful in applications requiring simple, efficient switching.