NPN transistors & TO-220 13003; 13005; 13007; 13009; 2130TDL; 2140TDL; 2150TDL; 2160TDL; 2180TDL; 2200TDL; D880; Huzhou Yifan Electron Co., Ltd is a high-tech enterprise, which specializes in producing all kinds of transistors. The company mainly produces such kind of triode as TO-92, TO-126, TO-220, TO-3P and so on which are widely used in color televisions, stereos, toys, household appliances, ...