Electrical Information

: RLC Parallel Circuit (Power Factor, Active and Reactive Power)
2022/10/7
Regarding the RLC parallel circuit, this article will explain the information below. Power factor \({\cos}{\theta}\) of the RLC parallel CircuitActive power \(P\), Reactive power \(Q\), and Apparent power \(S\) of the RLC parallel circuit [RLC Circuit] Power factor & Active, Reactive, and Apparent power Shown in the figure above is an RLC parallel circuit with resistor \(R\), inductor \(L\), and capacitor \(C\) connected in parallel. As an example, the parameters of the RLC parallel circuit are as follows. Supply voltage: \({\dot{V}}=100{\;}{\mathrm{[V]}}\)Frequency of power supply voltage: \(f=60{\;}{\mathrm{[Hz]}}\)Resistance value of resistor: \(R=50{\;}{\mathrm{[{\Omega}]}}\)Inductance of inductor: \(L=66.4{\;}{\mathrm{[mH]}}\)Capacitance of capacitor: \(C=53{\;}{\mathrm{[μF]}}\) The power factor \({\cos}{\theta}\), ...

: Difference between VCC, VEE, VDD, and VSS
2022/9/30
Looking at the schematic, VCC, VEE, VDD, and VSS are used for supply voltage. What is VCC, VEE, VDD, and VSS?What does the "CC" in "VCC" stand for?What does the "EE" in "VEE" stand for?What does the "DD" in "VDD" stand for?What does the "SS" in "VSS" stand for? This article explains the meaning and differences between VCC, VEE, VDD, and VSS. Meaning and Difference of VCC, VEE, VDD, and VSS The meanings and differences of VCC, VEE, VDD, and VSS used in the supply voltage are shown below. VCCVCC is used as the positive supply voltage for circuits using ...

: Electrostatic Induction (Explanation, Principle)
2022/9/21
Regarding the Electrostatic Induction, this article will explain the information below. Explanation of Electrostatic InductionPrinciple of Electrostatic Induction Electrostatic Induction Electrostatic induction is a phenomenon that occurs when a charged body is brought close to a conductor, causing a bias in the charge inside the conductor. Inside a conductor (a material that conducts electricity, such as a metal) are free electrons. Free electrons are electrons that can move freely inside the conductor and have a negative charge. Therefore, when a charged body is brought close to a conductor, the free electrons inside the conductor are subjected to electrostatic force and ...

: Dielectric Polarization (Explanation, Principle)
2022/9/21
Regarding the Dielectric Polarization, this article will explain the information below. Explanation of Dielectric PolarizationPrinciple of Dielectric Polarization Dielectric Polarization Dielectric polarization is a phenomenon that occurs when a charged body is brought close to an insulator, causing a bias in the charge inside the insulator. When a charged body is placed close to an insulator (a material that does not conduct electricity, such as an underlay), the electrons (which have a negative charge) in the molecules and atoms inside the insulator are subjected to electrostatic forces. The electrons inside the insulator are not free electrons that can move freely. ...

: Difference between Induction and Polarization
2022/9/21
Regarding the Induction and Polarization, this article will explain the information below. Difference between Induction and Polarization[Electrostatic induction and dielectric polarization] Electric field and Electric Potential Induction vs Polarization Electrostatic induction is a phenomenon that occurs when a charged body is brought close to a conductor, causing a bias in the charge inside the conductor. Inside a conductor (a material that conducts electricity, such as a metal) are free electrons. Free electrons are electrons that can move freely inside the conductor and have a negative charge. Therefore, when a charged body is brought close to a conductor, the free electrons ...

: Difference Between Through-hole, Blind Via, Buried Via, and Land
2022/9/14
What is the difference between through-hole, blind via, buried via, and land? Regarding the through-hole, blind via, buried via, and land, this article will explain the information below. Difference Between Through-hole, Blind Via, Buried Via, and Land Through-hole First, let us discuss through holes. A through-hole is a hole where the inner surface of a substrate hole is copper plated and electrically connected. There are two types of through holes as follows。 Through-hole for electronic componentsHoles through which terminals of electronic components are inserted for solderingVia holeA hole for the purpose of conduction between layers of a substrate pattern Next, ...

: Difference Between Transistor (MOSFET) and Relay
2022/9/14
Regarding the Transistor and Relay, this article will explain the information below. Difference Between Transistor and Relay Difference Between Transistor and Relay The figure above shows a transistor and a relay. A transistor (MOSFET) performs switching operations by applying a voltage to its gate terminal (G). On the other hand, a relay performs switching operations by electromagnetic force generated by passing current through a coil. Thus, transistor (MOSFET) and relay can be used as switches. So, what is the difference between a transistor (MOSFET) and a relay? We will now explain the difference between a "transistor (MOSFET)" and a "relay". ...

: Resistor Color Code Chart (4-Band, 5-Band)
2022/9/7
Resistor are marked with a color code indicating "Resistance Value" or "Resistance Tolerance". Regarding the Resistor, this article will explain the information below. Chart of Resistor Color CodeHow to Read Resistor Color Code Chart of Resistor Color Code The color code chart for resistor is shown above. Each color code for resistor has a corresponding number. For example, black is "0", brown is "1", and red is "2". Next, we will explain how to read resistance values using the resistor color code chart. How to Read Resistor Color Code The color code chart of resistors and each resistor (3-band resistor ...

: Resistor Temperature Rise Calculation
2022/8/31
When current flows (voltage is applied) to a resistor, the temperature of the resistor rises. The temperature rise of a resistor depends on the rated power of the resistor. Regarding the Resistor, this article will explain the information below. Resistor Temperature Rise CalculationHeat Dissipated by Resistor Resistor Temperature Rise Calculation When current flows (voltage is applied) to a resistor, the temperature of the resistor rises. The temperature rise of the resistor is indicated by the graph of Temperature rise vs Power dissipation on the data sheet. The vertical axis of the graph is the Percent of Rated Power, and the horizontal ...

: Resistor Power Derating Curve
2022/8/31
Regarding the Resistor, this article will explain the information below. Resistor Power Derating CurveHow to read the Resistor Power Derating Curve Resistor Power Derating Curve The available power of the resistor depends on the ambient temperature. For this reason, the Resistor Power Derating Curve is included in the resistor datasheet. The vertical axis of the Resistor Power Derating Curve is the percent of rated power, and the horizontal axis is the ambient temperature. By looking at the Resistor Power Derating Curve, you can see how much power is available depending on the ambient temperature (we will explain how to see ...