Part Number : MMBT5550L
Function : 140V, High Voltage NPN Silicon Transistor
Package : SOT-23 ( TO-236 ) Type
Maker : ON Semiconductor
Pinouts : 
Features
• AEC−Q101 Qualified and PPAP Capable
• S Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements
• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant
Datasheet PDF Download : 
Others datasheet of same file :
MMBT5550, MMBT5550LT1G, MMBT5551L, MMBT5551LT1G, SMMBT5551L