A transistor is a fundamental semiconductor device used for switching and amplification in almost every electronic circuit. Among the various power transistors available today, the MJE3055 NPN power transistor is one of the most popular choices for medium to high-power applications such as motor control, audio amplifiers, and relay drivers. The MJE3055 transistor, housed in a TO-220 package, is a silicon NPN bipolar junction transistor (BJT) designed for general-purpose amplifier and … [Read more...]

A power transistor is a three-terminal device like an emitter, base & collector and is composed of semiconductor materials. These transistors are mainly designed for controlling high current to voltage ratings of electrical devices. So, MJ & MJE series high-power transistors are used mostly for audio amplifier-based applications. There are most popular MJ and MJE series power transistors available in the market like; MJ802, MJL21193, MJL21194, MJ1000, MJ1000, MJ15016, and MJE172, MJE182, … [Read more...]

An NPN transistor is a three-terminal semiconductor that amplifies weak signals to strong ones. In this transistor, the majority of charge carriers are electrons that move from the emitter region to the collector and it results in the formation of current. So this NPN transistor is sandwiched between two N-type material layers. Based on the construction, these are separated into two categories PNP and NPN. Transistors are made with silicon (or) germanium based on the application it is selected. … [Read more...]

A transistor is the most significant three terminal electronic component which plays a key role as a building block of many integrated circuits. Generally, these are classified into three types; BJT (Bipolar Junction Transistors), JFET (Junction Field Effect Transistors), and MOSFET (Metal Semiconductor Field Effect Transistors). Further, these are classified into sub-types based on the type of semiconductor used like; PNP BJT, NPN BJT, p-Channel MOSFET, and n-Channel MOSFET. There are two main … [Read more...]

The JIS semiconductor designation transistors in Japan start with a 2S prefix however sometimes this prefix is not noticeable on the package. So it might be listed as simply without prefix by a supplier. Sometimes this series has suffixes like O, R & BL, which stand for orange, red, and blue which indicate variants like tighter hFE groupings. 2SA PNP or 2SC NPN transistors indicate high-frequency type transistors, 2SB PNP or 2SD NPN series transistors indicate low-frequency type and 2SJ or … [Read more...]

The low-power general-purpose silicon NPN BJTs like BC107, BC108 & BC109 were created by Mullard and Philips in 1963 but introduced in April 1966. It is a bipolar junction transistor within a TO-18 metal can package, used for switching and amplification purposes. Generally, BJTs are solid-state devices that control the current flow between the collector & the emitter terminals by using the base terminal. So the current supply throughout the base terminal controls the current supply … [Read more...]

The junction field effect transistor or JFET is a fundamental component in electronics that operates on the electric field control principle. It includes three terminals; gate (G), drain (D), and source (S). JFET is a voltage-controlled device compared to the Bipolar Junction Transistor (BJT). The current flow in JFET is because of the majority of charge carriers but the current flow in BJT is because of both majority and minority charge carriers. This article provides an overview of J310 JFET, i … [Read more...]

The BC107 is an NPN small-signal BJT available in different variants like; BC107A, BC107B, & BC107C where each has slightly special specifications. The main variation between these three variants is their hFE (current gain) range. So, BC107A transistor hFE ranges from 110 to 220, BC107B transistor has 200 to 450 ranges and BC107C transistor has 420 to 800 ranges. Based on the requirements of your application, a suitable variant is selected. This transistor is well-known in various circuit … [Read more...]

The transistor is a three-terminal semiconductor electronic device, used as a switch or an amplifier. Generally, transistors can be available in either PNP/NPN polarity with different switching and power speed ratings. If a transistor handles >1 Amps of collector current, then it is considered generally as a power transistor. These transistors must have less output resistance to deliver huge load currents and good junction insulation to oppose high voltages. These transistors can also … [Read more...]