I'll be rolling out new Ziu's patches translations soon since I've just finished the worst exams. There's some two left but they're not as time-consuming as the other ones.
It can't be a capacitor since capacitors have 2 terminals only.
Transistors have 3 terminals and this monster is, in fact, modeled after a common BJT transistor: upload.wikimedia.org/wikipedia/commons/1/10/BC548.jpg