2SC9018 is an NPN-type high-frequency silicon epitaxial transistor, manufactured by KEC. This transistor includes three terminals (E, B & C) and three layers (two N-layers and one P-layer). The majority of charge carriers in this transistor are electrons. So it is a reliable and versatile transistor, used commonly in different electronic circuits for signal processing and amplification purposes. This article discusses an overview of the 2SC9018 Transistor, pinout, specifications, circuit, … [Read more...]

The BC148 is a small signal transistor from the NPN family and is a good choice mainly for audiophiles. This transistor is well known because of its outstanding musical characteristics and technical specifications it is perfect for high-fidelity audio. This transistor provides high current gain, it has less noise, which gives excellent sound quality and its compact size will make it easy to incorporate into different electronic applications. This article discusses an overview of the BC148 … [Read more...]

Generally, semiconductor devices are indicated with special number coding according to their specifications. So these components have a special symbolic number including an alphanumeric coding to represent the material characteristics and other parameters. The semiconductor devices and components include a minimum of two letters & three numbers or three letters & two numbers. So, the example of two letters & three numbers is BF194, used for consumer equipment (or) entertainment … [Read more...]