. "p-n-p transistor"@en-us . "a junction transistor having an n-type semiconductor between a p-type semiconductor that serves as an emitter and a p-type semiconductor that serves as a collector"@en-us . "p-n-p transistor"^^ . . . "03972146-n"^^ . . . . "0"^^ . . "103972146"^^ . . . "0"^^ . "103821852"@en-us .