The terms NPN and PNP refer to the two main types of bipolar junction transistors (BJTs). The TO-92 package is a common type of through-hole package used for small signal BJTs. When you mention "NPN PNP transistor TO-92," it indicates that you are looking for NPN and PNP transistors in the TO-92 pac..
The terms NPN and PNP refer to the two main types of bipolar junction transistors (BJTs). The TO-92 package is a common type of through-hole package used for small signal BJTs. When you mention "NPN PNP transistor TO-92," it indicates that you are looking for NPN and PNP transistors in the TO-92 pac..