The BC858-C-RTK/P is a PNP bipolar junction transistor (BJT) manufactured by KEC (Korea Electronics Co., Ltd). This transistor is designed for general-purpose amplification and switching applications in various electronic circuits. Characterized by its moderate voltage and current handling capabilities, the BC858-C-RTK/P is often found in signal amplification stages, small signal switching, and driver circuits.

Applications:

• Audio Amplification: Used in preamplifiers and audio amplifier stages for signal amplification.
• Switching Circuits: Employed as a switch in low-current switching applications.
• Driver Stages: Used to drive larger loads in electronic circuits.
• Signal Conditioning: Found in signal conditioning circuits for processing analog signals.
• General Purpose Amplification: Suitable for various general-purpose amplification needs.

Features:

• PNP Transistor: A PNP transistor with a collector current rating.
• Low Saturation Voltage: Exhibits a low saturation voltage for efficient switching.
• High Current Gain (hFE): Offers a high current gain for amplification purposes.
• Small Signal Amplifier: Designed for small signal amplification.
• Surface Mount Package: Available in a small surface mount package for compact designs.
• RoHS Compliant: Compliant with RoHS environmental standards.

Benefits:

• Efficient Amplification: Provides efficient amplification in various audio and signal processing circuits.
• Reliable Switching: Offers reliable switching in low-current applications.
• Compact Design: Allows for compact circuit designs due to its small package size.
• Easy to Use: Simple to integrate into existing circuits.
• Cost-Effective: Provides a cost-effective solution for amplification and switching needs.

The BC858-C-RTK/P's specifications include a collector-emitter voltage (VCEO) typically around -30V, a collector current (IC) of approximately -100mA to -200mA, and a power dissipation rating suitable for small-signal applications. The transistor has a typical current gain (hFE) in the range of 420 to 800, ensuring good amplification characteristics. The operating junction temperature ranges from -65°C to +150°C. The device is typically available in a SOT-23 or similar surface-mount package. Its high gain and low saturation voltage make it a versatile choice for designers seeking a reliable and efficient small-signal transistor.