The BEL187 is a Power Transistor with the following specifications:

• Type: NPN Power Transistor
• Collector-Emitter Voltage (Vceo): 50V
• Collector-Base Voltage (Vcbo): 50V
• Emitter-Base Voltage (Vebo): 5V
• Collector Current (Ic): 2A (continuous)
• Power Dissipation (Ptot): 15W (with proper heat sinking)
• DC Current Gain (hFE): 30 to 80 (typical)
• Package Type: TO-220

The BEL187 is used in various amplification and switching applications. Its ability to handle moderate current and power makes it suitable for driving loads and providing signal amplification in electronic circuits.