Part Number : BC847
Function : 45 V, 100 mA, NPN general-purpose transistor
Package : SOT-23, SOT323, SOT416 Type
Maker : NXP Semiconductors.
Pinouts : 
Description :
NPN general-purpose transistors in small plastic packages.
Features
1. Low current
2. Low voltage
3. Three different gain selections
Applications
4. General-purpose switching and amplification
Datasheet PDF Download : 
Others datasheet of same file :
BC547, BC547A, BC547B, BC547C