npn transistor npn 晶体管 ; 型三极管
NPN transistor NPN型晶体管 ; NPN晶体管
npn-type transistor 负一正一负型晶体管
NPN Transistor Darlington 达林顿晶体管
silicon npn mesa transistor 硅NPN台面型晶体管
NPN Si Transistor Epitaxial 达林顿晶体管
NPN Si Transistor Darlington 达林顿晶体管
You can use a cheap NPN transistor such as a 2n2222 to amplify this pulse, to interface with the next stage of electronics.
你可以使用一个便宜的npn型晶体管，比如2n2222，放大该脉冲到后续电子元件的接口。
Regardless of type NPN or PNP-type tubes, the internal transistor has three areas, namely, the launch area, base, collector area, the three areas form two PN junction.
无论npn型还是PNP型管，三极管内部均有三个区、即发射区、基区、集电区，三个区形成两个PN结。
Higher current can be delivered using an external NPN transistor.
较高的电流可交付使用外部NPN晶体管。
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