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LM378 IC : PinOut, Features, Specifications,Circuit, Working, Datasheet & Its Applications

November 23, 2025 By WatElectronics

LM378 IC

An Analog integrated circuit is an electronic circuit that processes analog signals. So they are the most significant components within electronic devices to manipulate signals like audio, light, voltage, and temperature. Analog ICs are designed with a process that uses a set of transistors to design a circuit to implement certain mathematical functions like filtering, amplification, modulation, noise suppression, tracking, energy conversion, etc. These ICs work with an entire signal's value … [Read more...]

2SC9018 Transistor : PinOut, Specifications, Circuit, Working, Datasheet & Its Applications

November 21, 2025 By WatElectronics

2SC9018 Transistor

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...]

LM348 IC : PinOut, Features, Specifications, Circuit, Working, Datasheet & Its Applications

November 21, 2025 By WatElectronics

LM348 IC

A quad-operational amplifier is a single-package IC with four independent amplifiers. These operational amplifiers provide good value in terms of cost for each channel and save space on a PCB throughout the layout. So, it is common to utilize in applications such as multiple LED strings, and three-phase motors that sense various currents. So these are frequently used within applications where multiple currents must be detected like in multiple LED strings & three-phase motors. Thus, these … [Read more...]

BD679 Transistor : PinOut, Specifications, Circuit, Working, Datasheet & Its Applications

November 12, 2025 By WatElectronics

BD679 Transistor

The transistor is a three-terminal semiconductor device, used as an amplifier or a switch. Generally, it is of PNP or NPN polarity but available in different types with different switching speeds and power ratings. If a transistor is designed to handle >1Amp of collector current, then it is considered normally to be a power transistor. So such transistors should have low output resistance to carry large load currents and good junction insulation to oppose high voltages. So, they should also … [Read more...]

MPS651 Transistor : PinOut, Specifications, Circuit, Working, Datasheet & Its Applications

November 10, 2025 By WatElectronics

MPS651 Transistor

A transistor is a basic building block and semiconductor device in modern electronics. It is designed with semiconductor material with a minimum of three terminals, used for connection to a circuit. So, the main function of a transistor in circuits is to either switch or amplify electrical signals or power. It includes two PN junction diodes connected one after the other. The fundamental idea behind a transistor is that it allows you to control the current flow throughout one channel by changing … [Read more...]

2N3906 Transistor : PinOut, Specifications, Circuit, Working, Datasheet & Its Applications

November 10, 2025 By WatElectronics

2N3906 Transistor

The 2N3906 is a PNP BJT produced primarily by Onsemi Semiconductor Company. It is commonly used in low-power switching or amplifying applications. This transistor is designed mainly for low electric current, power & medium voltage, but it can work at quite high speeds. This is one of the most famous discrete-type transistors that hobbyists, circuit designers & makers utilize within their electronics projects. Therefore, this transistor is available in a TO-92 DIP plastic body package. … [Read more...]

MPSA06 Transistor : PinOut, Specifications, Circuit, Working, Datasheet & Its Applications

November 8, 2025 By WatElectronics

MPSA06 Transistor

MPSA05 is a BJT from the NPN family, designed mainly for general-purpose amplification and switching purposes. This transistor’s specifications allow it to be used in various applications. It can also be used practically in any application that fits its specifications. This transistor can be replaced widely with 2N3904, BC337, 2N2222, etc. MPSA05 transistors can drive up to 500mA load whenever used as a switch and are sufficient current to drive different components within electronic circuits l … [Read more...]

Comprehensive List of Transistor Components and Their Equivalents

November 8, 2025 By WatElectronics

Transistor List

Transistors are the backbone of every modern electronic circuit — from signal amplification and switching to voltage regulation and motor control. Over the years, hundreds of transistor variants have been developed to suit different current ratings, voltage limits, and gain requirements. This article provides a consolidated list of widely used transistor components, arranged from most common to least used, along with their type, primary usage, and equivalent substitutes. This Transistor List g … [Read more...]

MJE340 Transistor : PinOut, Specifications, Circuit, Working, Datasheet & Its Applications

November 7, 2025 By WatElectronics

MJE340 Transistor

The MJE340 is a versatile NPN-type transistor, used in switching, amplification & power control circuits. This transistor provides a reliable and widely available solution for various electronic circuits. But whenever using this transistor within a circuit, then it is suggested to consider some factors like; transient conditions, voltage spikes, etc otherwise it may cause short-term voltage surges. So, proper protective and voltage regulation measures must be implemented to ensure the … [Read more...]

MJE3055 NPN Transistor : PinOut, Specifications, Circuit, Working, Datasheet & Its Applications

November 6, 2025 By WatElectronics

MJE3055 NPN Transistor

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...]

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