The Fairchild Semiconductor 1092040-SS8550BBU is a bipolar transistor that belongs to the category of discrete semiconductor products. This PNP transistor has a maximum power of 1 W and a maximum collector-emitter breakdown voltage of 25 V. It has a current gain (hFE) of 85 at 100mA and 1V. The transistor type is PNP, and the frequency transition is 200MHz. The Win Source Part Number is used to identify this component. It is a cross-referenced alternative part that is used in place of the original part. The manufacturer is Fairchild Semiconductor, and it falls under the category of Discrete Semiconductor Products>Transistors - Bipolar (BJT) - Single. This component is obsolete.