The BC557C,112 is a high-quality bipolar junction transistor (BJT) from NXP Semiconductors, a leading manufacturer in the electronics industry. This PNP transistor is designed for general purpose and amplification applications. The BC557C,112 is part of the BC550 series, which is well-known for its reliability and performance in a wide range of electronic circuits.

Key Features

• Transistor Type: PNP - This signifies that the transistor is designed to pass current between its collector and emitter when a small current is applied to its base.
• Current Rating: The BC557C,112 can handle a continuous collector current up to 100 mA, making it suitable for moderate power applications.
• Voltage Ratings: It has a collector-emitter voltage (Vceo) of 45V and a collector-base voltage (Vcbo) of 50V, providing ample headroom for various electronic designs.
• Power Dissipation: With a power dissipation of 500 mW, this transistor can handle a reasonable amount of power without overheating.
• Gain Bandwidth Product (fT): The device offers a transition frequency of 150 MHz, which is adequate for many high-frequency or fast-switching applications.
• High Current Gain: The BC557C variant has a high hFE (DC current gain) range from 420 to 800, ensuring significant amplification in circuits that require it.

Applications

The BC557C,112 is versatile and can be used in various electronic circuits. Its applications include, but are not limited to:

• Signal amplification
• Audio amplifiers
• Switching applications
• Driver stages in hi-fi amplifiers and television circuits
• General purpose switching and amplification

Quality and Reliability

NXP Semiconductors is committed to delivering high-quality components. The BC557C,112 is manufactured with strict quality control processes, ensuring reliability and performance consistency. It is available in the TO-92 package, which is widely used and easy to work with for both hobbyists and professional engineers alike.

Environmental and Regulatory Compliance

The BC557C,112 complies with various environmental standards, ensuring that it meets the requirements for lead-free and RoHS compliant components. This commitment to environmental responsibility makes it a suitable choice for use in commercial products that require adherence to these regulations.