The functions of resistors and capacitors in electronic circuits 1

Date:2025-12-11 Categories:Product knowledge Hits:200 From:Guangdong Youfeng Microelectronics Co., Ltd


Resistors and capacitors are two common fundamental electronic components in circuits, each serving distinct functions. Let's first examine resistors. A resistor is an element that opposes the flow of current and is typically represented by the Greek letter Ω (ohm), with the unit being ohms. Resistors can regulate current by adjusting their resistance values, making them one of the frequently used control components in circuits. The magnitude of a resistor depends on factors such as the material's resistivity, length, and cross-sectional area. When current passes through a resistor, it generates heat, known as Joule heating. Resistors can also be used for voltage division, current limiting, and circuit protection. Common types of resistors include fixed resistors and variable resistors like the DTC115EETL.diode

Next is the capacitor. A capacitor is used to store electric charge and is a component capable of accumulating charge and generating an electric field. Capacitors are typically denoted by the uppercase letter "C" and measured in farads. A capacitor consists of two conductors separated by a dielectric material. When a voltage is applied, positive and negative charges are stored on the two conductors, forming an electric field. Capacitors can store energy in circuits and have the ability to pass alternating current signals, making them widely used in applications such as filtering, coupling, and power supply voltage stabilization. The capacitance depends on the structure of the capacitor, the dielectric material, the plate area, and other factors. Common types of capacitors include fixed capacitors and variable capacitors.diode



Previous: Classification, Structure, and Principle of MOSFET

Next: The functions of resistors and capacitors in electronic circuits 2

QQChat
ChatWechat
ConsultTelephone
+86-0769-82730331