MICOS electrical components German MICOS models MICOS prices

MICOS electrical components are resistive elements with three terminals, whose resistance can be adjusted according to a specific variation pattern. A potentiometer typically consists of a resistive element and a movable wiper. When the wiper moves along the resistive element, a resistance value or voltage proportional to the displacement is obtained at the output terminal. Potentiometers can be used as three-terminal or two-terminal devices. The latter can be regarded as a variable resistor; since its function in a circuit is to obtain an output voltage related to the input voltage (applied voltage), it is called a potentiometer. A potentiometer is a type of variable resistor. It usually consists of a resistive element and a rotating or sliding system, obtaining partial voltage output by moving a movable contact on the resistive element. The function of a potentiometer is to adjust voltage (including DC voltage and signal voltage) and current magnitude. Structural features of potentiometers: The resistive element of a potentiometer has two fixed terminals. By manually adjusting the shaft or slider, the position of the movable contact on the resistive element is changed, thereby altering the resistance between the movable contact and either fixed terminal, which in turn changes the voltage and current magnitude. A potentiometer is an adjustable electronic component. It consists of a resistive element and a rotating or sliding system. When a voltage is applied across the two fixed contacts of the resistive element, changing the position of the contact via the rotating or sliding system yields a voltage between the movable contact and the fixed contact that is related to the position of the movable contact. It is mostly used as a voltage divider, in which case the potentiometer is a four-terminal component. A potentiometer is essentially a sliding rheostat, available in several styles, generally used for volume control in speakers and power adjustment in laser heads. A potentiometer is an adjustable electronic component. It is a variable resistor used for voltage division. One or two movable metal contacts are pressed tightly against the exposed resistive element. The contact position determines the resistance between either end of the resistive element and the contact. Classified by material: wirewound, carbon film, and solid-core potentiometers. Classified by the relationship between output-to-input voltage ratio and rotation angle: linear potentiometers (linear relationship) and functional potentiometers (curvilinear relationship). Main parameters include resistance value, tolerance, and rated power. Widely used in electronic equipment, such as for volume control in audio systems and receivers.

MICOS electrical component characteristics

(1) loudspeakers have two terminals (two leads). When a single loudspeaker is used, the two pins have no polarity distinction; when multiple loudspeakers are used simultaneously, the two pins have polarity distinctions. (2) Loudspeakers have a paper cone, which is typically black, but also available in white. (3) Loudspeaker shapes include circular, square, and oval categories. (4) The back of the loudspeaker paper cone contains a magnet. When touching the magnet of an external-magnet loudspeaker with a metal screwdriver, one can feel the presence of magnetism; this sensation is absent in internal-magnet loudspeakers, although there is indeed a magnet inside the housing. (5) Loudspeakers are mounted on machine panels or inside speaker enclosures.

MICOS electrical component principles

It is a contactless switching device with relay characteristics, using semiconductor devices to replace traditional electrical contacts as the switching mechanism. A single-phase solid-state relay is a four-terminal active device, with two input control terminals and two output terminals. Input and output are optically isolated. When a DC or pulse signal is applied to the input terminal reaching a certain current value, the output terminal switches from the off state to the on state. AC solid-state relays are classified by switching method into zero-crossing conduction type and random conduction type; by output switching element into triac output type and anti-parallel SCR type. By installation method, they are classified into pin-type for printed circuit boards and chassis-mounted type fixed on metal baseplates. Solid-state relays are classified by triggering form into zero-voltage type and phase-control type.

MICOS electrical component structure

The fuse element rated current is not equal to the fuse rated current. The fuse element rated current is selected based on the load current of the protected equipment. The fuse rated current should be greater than the fuse element rated current and determined in coordination with the main electrical appliance. The fuse mainly consists of 11 parts: the fuse element, the housing, and the support. The fuse element is the key component controlling the fusing characteristics. The material, dimensions, and shape of the fuse element determine the fusing characteristics. Fuse element materials are divided into low-melting-point and high-melting-point categories. Low-melting-point materials, such as lead and lead alloys, have low melting points and fuse easily. Due to their higher resistivity, they require larger cross-sectional dimensions for the fuse element, generating more metal vapor during fusing, and are only suitable for fuses with low breaking capacity. High-melting-point materials, such as copper and silver, have high melting points and do not fuse easily. However, due to their lower resistivity, they can be made with smaller cross-sectional dimensions than low-melting-point fuse elements, generating less metal vapor during fusing, and are suitable for fuses with high breaking capacity. The shape of the fuse element is divided into wire and strip types. Changing the shape of the variable cross-section can significantly alter the fusing characteristics of the fuse. Fuses have various fusing characteristic curves, suitable for the needs of different types of protected objects.

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