2N3904 General Purpose NPN Transistor
2N3904 General Purpose NPN Transistor – low-power, high-speed switching transistor suitable for amplification and signal processing in general electronic applications. It is TO-92 package.
Specification of 2N3904 General Purpose NPN Transistor –
| Parameter | Description |
|---|---|
| Part Number | 2N3904 |
| Type | NPN Bipolar Junction Transistor (BJT) |
| Polarity | NPN |
| Collector-Emitter Voltage (Vceo) | 40 V |
| Collector-Base Voltage (Vcbo) | 60 V |
| Emitter-Base Voltage (Vebo) | 6 V |
| Collector Current (Ic) | 200 mA |
| Power Dissipation (Ptot) | 625 mW |
| DC Current Gain (hFE) | 100–300 |
| Transition Frequency (fT) | 300 MHz |
| Package Type | TO-92 (through-hole) / SOT-23 (SMD variants available) |
| Operating Temperature Range | –55°C to +150°C |
| Applications | Signal amplification, low-power switching, general-purpose electronic circuits |
Pin configuration of 2N3904 –

Attributes of 2N3904 –
MFR: ON Semi
MFR-PN: 2N3904
PACKAGE: TO-92
Design Resources –
Package Contains –
5x 2N3904 General Purpose NPN Transistor





