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The 2SC2459-BL is a bipolar junction transistor (BJT) manufactured by TOSHIBA. Below are its key specifications, descriptions, and features:

Specifications:

• Transistor Type: NPN
• Collector-Base Voltage (VCBO): 50V
• Collector-Emitter Voltage (VCEO): 50V
• Emitter-Base Voltage (VEBO): 5V
• Collector Current (IC): 150mA
• Collector Dissipation (PC): 200mW
• DC Current Gain (hFE): 70 ~ 700 (depending on operating conditions)
• Transition Frequency (fT): 80MHz
• Operating Temperature Range: -55°C to +150°C
• Package: TO-92 (Miniature plastic mold)

Descriptions:

The 2SC2459-BL is a general-purpose NPN transistor designed for low-power amplification and switching applications. It features high current gain (hFE) and low noise, making it suitable for audio and signal processing circuits.

Features:

• Low Noise: Suitable for small-signal amplification.
• High hFE: Provides good amplification efficiency.
• Compact TO-92 Package: Easy to integrate into circuits.
• Wide Operating Temperature Range: Reliable performance in various environments.

This transistor is commonly used in audio amplifiers, signal processing circuits, and switching applications.

For detailed electrical characteristics, refer to the official TOSHIBA datasheet.