Electronics guide: Diode, Capacitor, Arduino Platform, and Electronics Store
An IR photodiode, or infrared photodiode, is a type of photodetector specifically designed to detect infrared (IR) radiation. IR photodiodes are sensitive to wavelengths of light in the infrared spectrum, typically ranging from around 700 nanometers to 1 millimeter in wavelength. They operate similarly to visible light photodiodes but are optimized to detect IR radiation, … Read more
What is difference between MCB and ELCB ? The main difference between MCB (Miniature Circuit Breaker) and ELCB (Earth Leakage Circuit Breaker) lies in their primary function and operation within electrical circuits. An MCB is designed primarily to protect against overcurrent situations, such as short circuits or overloads. It trips when the current flowing through … Read more
A photodiode detects light based on the principle of converting photons (light particles) into electrical current. When photons of sufficient energy strike the semiconductor material of the photodiode, they generate electron-hole pairs within the depletion region of the device. This process occurs because the energy of the incoming photons is sufficient to break the covalent … Read more
Filters are essential in rectifier circuits to smooth out the pulsating DC output produced by rectifying AC voltage. In a rectifier circuit, especially in half-wave rectifiers, the output is not a pure DC signal but contains significant AC ripple. A filter capacitor is used to reduce this ripple and provide a more stable DC output … Read more
A starter PTC (Positive Temperature Coefficient) is a device used in motors and compressors to provide starting torque. It consists of a PTC thermistor embedded in the motor windings or connected in series with the starting winding. The PTC thermistor initially has a low resistance when cold, allowing a high current to flow through the … Read more
A photodiode is utilized in optical communication systems to detect optical signals by converting light into electrical signals. In such applications, the photodiode is typically placed at the receiving end of a fiber optic cable or optical path. When modulated light signals carrying data enter the photodiode, they generate electron-hole pairs within its semiconductor material. … Read more
The capacitor in a refrigerator serves several important purposes. One primary use is in the compressor motor circuit, where it helps provide the necessary phase shift for starting the motor. By creating an electrical phase difference, the capacitor assists in generating the rotating magnetic field required to start the compressor. This function is crucial for … Read more
The difference between a photodiode and a phototransistor lies primarily in their structure and mode of operation. A photodiode is a semiconductor device that generates a photocurrent when exposed to light. It operates in either zero bias or reverse bias mode, where incident photons create electron-hole pairs within the depletion region of the diode. This … Read more
Inductors are not commonly used in integrated circuits (ICs) due to several technical challenges and limitations inherent in their fabrication and integration into semiconductor processes. One primary reason is the difficulty in fabricating small, high-quality inductors using standard semiconductor manufacturing techniques. IC fabrication processes are optimized for creating intricate patterns of transistors, resistors, and capacitors … Read more
When a large current is passed through semiconductors, several potential consequences can occur depending on the specific conditions and the semiconductor’s design limits. Semiconductors are typically designed to handle specific current ratings, beyond which they may overheat or suffer damage. When a semiconductor experiences a current surge beyond its rated capacity, it can heat up … Read more