Small Signal Transistor

MMBT3904Active

The MMBT3904 is a popular NPN 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 MMBT3904

Package SOT-23

AEC-Q101 QualifiedNo

Type NPN

PCM(W) 0.2

IC(A) 0.2

VCBO [Max] (V) 60

VCEO [Max] (V) 40

VEBO [Max] (V) 6

hFE [Min] 100

hFE [Max] 300

fT [Min] (MHz) 300

TJ (°C) -55~+150

Status Active

Product Features

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