Detailed explanation about the foundation knowledge of the inductor

What are the basic knowledge of inductors? What are the basic knowledge of an actuat? 3.1 English abbreviation of inductor: l (Inductance) 3.2 The international standard unit of the inductor is: h (Henry), MH (millh), uh (micro), NH (Nazhen); 3.3 Units of inductor is: 1H = 103MH = 106uh = 109nH; 1NH = 10-3uH = 10-6MH = 10-9H 3.4 Features of the inductor: Top-flow interval; pass low frequency resistance high frequency. 3.5 Inductors: Filtering, trap, oscillation, storage magnetic energy, etc. 3.6 Classification of inductors: Empty inductance and core inductance. The core inductance can be referred to as core inductance and copper core inductance. It is common in the motherboard. Copper core winding inductance. 3.7 Inspirations are commonly used in the circuit, such as: L6 represents an inductance number 6. The inductor coil is made of an insulating wire on the insulated skeleton around a certain number of turns. DC can pass through the coil, the DC resistance is the resistance of the wire itself, the pressure drop is small; when the AC signal passes through the coil, the two ends of the coil will generate self-inductive momentum, the direction of the self-sensing force is opposite to the direction of the external voltage, hindering communication. According to the pass, the characteristics of the inductor are the flow resistance, the higher the frequency, the greater the coil impedance. Inductance can consist of an oscillation circuit with the capacitance in the circuit. Inductance is generally straight standard and color standard, and the color label is similar to the resistance. Such as: Brown, Black, Gold, and Gold indicates that 1uh (error 5%) inductors. 3.8 Non-bad measurement of inductance: Quality detection of inductance includes appearance and resistance measurement. First detection of the appearance of the inductance is good, magnetic without defect, crack, metal part has no corrosion oxidation, the marking is complete and clear, no wiring Fracture and removal, etc .. Use a multimeter to initially detect the inductance, the DC resistance of the coil is compared to the originally known normal resistance value. If the detected value is significantly increased, or the pointer does not move, it may be inductance The body is broken. If the normal value is small, it can be judged that the inductor body is severely short-circuited, and the local short circuit of the coil needs to be detected by a dedicated instrument. FQJ, read full text

Our other product:

Professional lightning protection system for Tower	Professional FM Radio Station Equipment Package	FMUSER FU-1000C 1000W FM Transmitter With USB Audio Input Interface
FMUSER 200W FM Radio Broadcasting Package	Hotel IPTV Solution	FMUSER FSN-1000T V5.0 1KW FM Radio Broadcast Transmitter