The BCR166E6433 is a pre-biased, or digital, NPN bipolar junction transistor (BJT) from Infineon Technologies. This transistor integrates bias resistors into its design, simplifying circuit design by reducing the need for external components. It is primarily used in switching applications, offering a cost-effective and space-saving solution.

Applications

• Switching circuits
• Inverter circuits
• Digital logic circuits
• Load drivers
• Interface circuits

Features

• Integrated base-emitter resistor (R1 = 10kΩ)
• NPN transistor configuration
• Small SOT-23 package for compact designs
• Reduced component count
• Simplified circuit design

Benefits

• Minimized PCB space requirements due to the SOT-23 package.
• Lower bill of materials (BOM) cost due to the reduced number of external components.
• Simplified circuit design process due to integrated biasing resistors.
• Improved circuit performance stability.
• Ease of implementation into automated assembly processes.

Additional Details

The BCR166E6433 operates with a collector-emitter voltage (VCEO) rating of 50V and a collector current (IC) rating of 100mA. The integrated resistor ensures a well-defined input current, which makes the transistor suitable for direct interface with digital circuits. Its fast switching speed allows it to perform efficiently in high-frequency applications. The device is RoHS compliant. It is commonly used in applications where a small size and a minimal number of external components are desired.