![](http://www.alamy.com/thumbs/6/CEA17DD9-1CEC-4BCA-BBFA-56C1EF995C1A/2C36X79.jpg)
NPN type transistor marking sign drawed on the blackboard
Size: 4928px × 3264px
Photo credit: © JURGIS MANKAUSKAS / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: background, base, blackbord, chalk, circuit, collector, component, design, diagram, drawing, drawings, education, electric, electrical, electricity, electronic, emiconductor, emitter, engineer, engineering, icon, npn, plan, schematic, schematics, sign, symbol, technical, technology, transistor, wiring