命名方法
国产二极管的命名方法通常根技国家标准GB-249-74 规定,由五部分组成,如下表所示。例如,2AP9表示N型锗材料普通二极管,3DD18表示NPN型硅材料低频大功率三极管。
Diode, also known as crystal diode, is an electronic device that can conduct current in one direction. In semiconductor diodes, there is a PN junction with two lead surges. This electronic device has unidirectional current conductivity in the direction of applied voltage. Generally speaking, a crystal transistor is a PN junction interface formed by sintering P-type semiconductors and type semiconductors, with errors in semiconductor materials, silicon and compound fonts, etc.
Naming method
The naming method for domestically produced diodes is usually specified in the national standard GB-249-74 and consists of five parts, as shown in the table below. For example, 2AP9 represents an N-type germanium material ordinary diode, and 3DD18 represents an NPN type silicon material low-frequency high-power transistor.
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