The Hottech S8550 is a popular PNP silicon epitaxial bipolar junction transistor (BJT) manufactured by Guangdong Hottech Industrial Co., Ltd.. It comes in a tiny SOT-23 surface-mount package and features the printed marking code 2TY on top of the component.
Key Technical SpecificationsEngineers often select the S8550 for its high collector current capability compared to other small-signal components. According to the Hottech S8550 datasheet, its primary limits include:
Transistor Type: PNPCollector-Base
Voltage (\(V_{CBO}\)): -40
VCollector-Emitter Voltage (\(V_{CEO}\)): -25
VEmitter-Base Voltage (\(V_{EBO}\)): -5
VContinuous Collector Current (\(I_{C}\)): -500 mA (0.5A)
Total Power Dissipation (\(P_{D}\)): 300 mWDC
Current Gain (\(h_{FE}\)): 85 to 400 (depending on the specific grade layout)
Transition Frequency (\(f_{T}\)): 150 MHz
