Kingtronics Small Signal Transistor offer--High quality & more competitive price than Diodes, Fairchild, NXP, ON Semi, STM.
Regarding how transistor work, pls refer to : http://www.kingtronics.com/news/20131003.html
Small Signal Transistor
BC807-16/25/40 BC817-16/25/40
BC846A/B/C ~ BC850A/B/C
BC856A/B/C ~ BC859A/B/C
MMBT3904 MMBT3906
MMBT8050C/D MMBT8550C/D
MMBT9012G/H MMBT9013G/H
MMBT9014B/C/D MMBT9018G/H
MMBTSC945L/O/P/Y
Diode Rectifier
BAV70 SOT-23 T&R RoHS SPQ:3kpcs/reel
BAV99 SOT-23 T&R RoHS SPQ:3kpcs/reel
M7 DO-214AC T&R RoHS SPQ:5kpcs/reel, 80kpcs and 14kgs per carton, carton size: 35*35*35cm