The SS8550 is a specific type of small signal PNP transistor commonly used for amplification and switching applications. TECHNICAL SPECIFICATIONS OF PNP EPITAXIAL PLANAR TRANSISTOR TO-92 Plastic-Encapsulate Transistors (PNP) Plastic-Encapsulate Transistors PNP Silicon Small and medium-sized power amplifier, medium power drive and switching applications 2W Output Amplifier of Portable Radios in Class B Push-pull Operation.
