The BC557,112 from NXP Semiconductors is a PNP bipolar junction transistor (BJT) that is widely utilized in electronic circuits for amplification and switching purposes. This versatile component is designed for low power applications and is particularly known for its high current gain and low voltage operation.

Key Features

• Transistor Polarity: PNP - suitable for providing a path for negative charge carriers.
• Collector-Emitter Voltage (VCEO): -45V - allows for a moderate voltage across the collector-emitter terminals when in the off state.
• Collector Current (IC): -100mA - capable of controlling a moderate amount of current in the active region.
• DC Current Gain (hFE): Minimum of 110 - ensures a high level of amplification in the circuit.
• Power Dissipation (Pd): 500mW - indicates the amount of power it can dissipate without exceeding its maximum junction temperature.
• Operating Junction Temperature Range: -65°C to +150°C - ensures reliable operation across a wide temperature range.
• Package / Case: TO-92 - a commonly used through-hole package that is easy to handle and integrate into various circuit boards.

Applications

The BC557,112 is ideal for general-purpose applications in the field of consumer electronics, automation, and control systems. It can be used in:

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

Quality and Reliability

NXP Semiconductors is renowned for its commitment to quality and reliability. The BC557,112 transistor is no exception, offering consistent performance and a long operational lifespan. It is a trusted component for designers and engineers looking for a reliable PNP transistor for their circuit designs.

Environmental Compliance

The BC557,112 complies with the RoHS directive, meaning it is manufactured without the use of hazardous substances, making it an environmentally friendly choice for electronic designs.