IntroductionWhat is the difference between a three-phase AC motor and a single-phase AC motor? If you pay attention to it, you will find that single-phase AC motors have more equipment than three-phas...

IntroductionHow to accurately determine whether the integrated circuit IC in the circuit is working is an important part of repairing TV, audio, and video equipment. This article introduces the specif...

I IntroductionA capacitor is an electronic component composed of an insulator between two conductors, like a sandwich. We can understand it as a container that holds the electric charge. In actual cap...

Great resource of capacitors working process and what it is? Along with circuit diagram, ratings, properties and more.

Capacitors are electronic components found in almost every device containing a circuit board. Large capacitors can store enough charge to cause...

IntroductionCapacitors are components that store electricity and electrical energy (potential energy) and play an important role in circuits such as tuning, bypassing coupling, and filtering. Capacito...

IntroductionRLC circuit is a circuit structure composed of resistance (R), inductance (L), and capacitance (C). The LC circuit is a simple example. RLC circuits are also called second-order circuits. ...

SS14 is a surface mount High Power Schottky Rectifier.SS14 is a Schottky diode with a reverse withstand voltage of 40V. Schottky tube is characterized by fast working speed, large current, but low rev...

BC337 is NPN Amplifier Transistor.Primarily, the BC337 used for lower power audio applications. It belongs to the NPN family of transistors and has a maximum gain of 630. The continuous collector curr...

BD139 is a NPN Transistor. This blog covers BD139 Transistor pinout, datasheet, equivalent, features, and other information on how to use and where to use this device.CatalogBD139 CAD ModelBD139 Pinou...

4N25 is a General Purpose Optocoupler. This bolg covers 4N25 Optocoupler pinout, datasheet, equivalent, features and other information on how to use and where to use this device.Catalog4N25 Pinout4N25...

PC817 is an optocoupler. This blog covers PC817 Optocoupler pinout, datasheet, equivalent, features, and other information on how to use and where to use this device.CatalogPC817 PinoutPC817 CircuitPC...

CatalogI IntroductionII Definition, Symbol and Labeling of Variable Resistor 2.1 Definition 2.1.1 What is Variable Resistance? 2.1.2 What is Variable Resistor? 2.2 ...

PIC16F877a is a PIC Microcontroller.PIC16F877a can be write-erase as many times as possible because it uses FLASH memory technology. It has a total number of 40 pins and there are 33 pins for input an...

2N2907 is basically a PNP bipolar junction transistor (BJT) which is mainly designed for switching and low power general purpose amplification applications. It has an ability to operate at high speed ...

LM741 is an Operational Amplifier IC. This blog covers LM741 Op-Amp pinout, datasheet, equivalent, features, and other information on how to use and where to use this device.Op Amps Tutorial - What is...

DescriptionULN2003A is a Darlington transistor array with high voltage and high current.It consists of seven NPN Darlington pairs with a high voltage output and a common cathode clamp diode for switch...

IRF540N is an N-Channel Mosfet. This blog covers IRF540N MOSFET pinout, datasheet, equivalent, features and other information on how to use and where to use this device.Top 5 Electronics Projects usin...

CatalogⅠ What is a Thermal Fuse?Ⅱ What is the structure of Fuse?Ⅲ How can Thermal Fuses be classified?Ⅳ What are the characteristics of the Thermal Fuse?Ⅴ What are the types of Thermal ...

IntroductionThe humidity sensor is a sensor that measures relative humidity, absolute humidity, or dew point. At present, such sensors are widely used, and are gradually developing in the direction of...

I IntroductionLaser sensor is a kind of sensor which uses laser technology to measure. It is generally composed of laser, optical parts and photoelectric devices. It can convert the measured physical ...

DescriptionThe 2N7000 is an N-Channel Enhancement Mode Field Effect Transistor, a.k.a. MOSFET for voltage-controlled small signal switching.2N7000 N Channel Enhancement Mode MOSFET Switch Circuit Basi...

DescriptionBC547 is a Bipolar Junction Transistor (abbreviated as BJT). It is an NPN transistor and has three terminals named as:EmitterCollectorBaseCatalogDescriptionBC547 PinoutBC547 Datasheet and D...

NE5532 is a high-performance low-noise dual operational amplifier (dual operational amplifier) integrated circuit.Today, we will walk you into the introduction of the popular dual op amp NE5532, you w...

CatalogⅠ What is Biosensor?Ⅱ Principle of Biosensors Ⅲ Characteristics of Biosensors Ⅳ Types of Biosensors 4.1 Acoustic Biosensor 4.2 Optical Biosensor 4.3 Magnetic Bi...

BAV99 is a type of switching diode, a kind of semiconductor diode.The time to change from on to off or from off to on is shorter than that of ordinary diodes. It is mainly used in switching circuits, ...

2N5551 is a NPN Amplifier Transistor.It is designed for general purpose applications so that it can be used for amplification and switching.The maximum voltage from the collector to the emitter is 160...

2N5457 is the N−Channel Junction Field Effect Transistor.The 2N5457 device adopts the classic plug-in type of TO-92 and epoxy resinen capsulation, which has the mechanical advantages of small si...

I IntroductionA capacitor is an electronic component composed of an insulator between two conductors, like a sandwich. We can understand it as a container that holds the electric charge. In actual cap...

2N5401 is aPNP transistor.This device has a thermal shutdown and current limit, making it very durable. In most applications, external components are not required. In addition, 2N5401 is also suitable...

74LS74 is a Dual D Flip-Flop.The IC 74LS74 is a type of dual D-type positive edge triggered flip flop, with preset, clear, and complementary outputs. It features a large operating voltage range, wide ...

IntroductionWhat is the difference between a three-phase AC motor and a single-phase AC motor? If you pay attention to it, you will find that single-phase AC motors have more equipment than three-phas...

The 4N35 is an optocoupler integrated circuit in which an infrared emitting diode drives a phototransistor. This blog describes the pins, datasheet, equivalence, etc. of the 4N35 optocoupler.Introduct...

TL431 is a Shunt Regulator. This blog covers TL431 Regulator pinout, datasheet, equivalent, features, and other information on how to use and where to use this device.This Video Introduced TL431 Shunt...

DescriptionTL494 was designed in the early 1980s. It was widely accepted by the market immediately after it was launched, especially on the ATX half-bridge power supply of PCs. Until today, a consider...

BMP280 is a Barometric Pressure Sensor.BMP280 is a high-precision sensor module that measures atmospheric pressure and air temperature. Not only that, it can also measure the humidity of the air. This...

LM386 is a Audio Amplifier IC. This blog covers LM386 Audio Amplifier pinout, datasheet, equivalent, features, and other information on how to use and where to use this device.CatalogLM386 ParametersL...

TL082 is an Op Amp IC. In detail, it is a high speed JFET input dual operational amplifier.High speed, low cost, this device comes with an internal trimmed offset voltage. It is available with a fast ...