2N3904
NPN General Purpose Amplifier
This device is designed as a general purpose amplifier and switch. The useful dynamic range extends to 100 mA as a switch and to 100 MHz as an amplifier.
Packages: TO-92 and SOT-23
SOT-23:
Part #: MMBT3904
Marking: 1AM
Dimensions (mm): 3.00x1.4x1.10