Small Signal Transistor

S8550Active

The S8550 is a popular PNP bipolar junction transistor in a compact SOT-23 surface mount package, making it ideal for space-constrained PCBs in mobile devices, IoT modules, and handheld devices. It is widely used in amplification, switching, and signal conditioning applications due to its high current gain, low saturation voltage drop, and reliable performance.

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Electrical Parameters

Part Number S8550

Package SOT-23

AEC-Q101 QualifiedNo

Type PNP

PCM(W) 0.3

IC(A) -0.5

VCBO [Max] (V) -40

VCEO [Max] (V) -25

VEBO [Max] (V) -5

hFE [Min] 120

hFE [Max] 400

fT [Min] (MHz) 150

TJ (°C) -55~+150

Status Active

Product Features

Low Saturation Voltage High Reliability High Stability Surface-Mount SOT-23 Package PNP Bipolar Junction Transistor RoHS Compliant