10175002 in stock German 10175002 electrical components 10175002 inventory

10175002 electrical components refer to electronic components that can open a circuit, interrupt current flow, or direct it to other circuits. The most common switches are manually operated electromechanical devices with one or more electrical contacts. "Closed" contacts indicate conduction, allowing current to flow; "open" switches indicate non-conduction, forming an open circuit and preventing current flow. The simplest switch consists of two metal pieces called "contacts"; when they touch, current forms a loop, and when they do not, the circuit is open. When selecting contact metals, their corrosion resistance must be considered, as most metals form insulating oxides after oxidation, preventing normal contact operation. Selection also requires considering electrical conductivity, hardness, mechanical strength, cost, and toxicity. Contacts are sometimes plated with corrosion-resistant metals, typically on the contact surface, to prevent performance degradation due to oxides. Non-metallic conductive materials, such as conductive plastics, are sometimes used for contact surfaces. In addition to contacts, switches have moving parts that make or break the connection; based on the moving part, switches are classified as toggle switches, pushbutton switches, rocker switches, etc., and the moving part can also be other types of mechanical linkages.

10175002 Electrical Component Composition

Sensors generally consist of four parts: a sensing element, a conversion element, a signal conditioning circuit, and an auxiliary power supply. The sensing element directly detects the measured quantity and outputs a physical signal with a definite relationship to it; the conversion element converts the physical signal from the sensing element into an electrical signal; the signal conditioning circuit amplifies and modulates the electrical signal from the conversion element; the conversion element and signal conditioning circuit generally require an auxiliary power supply.

10175002 Electrical Component Structure

A thermopile is a pyroelectric infrared sensor, a device constructed from thermocouples. It is widely used as a temperature detection device in ear thermometers, radiation thermometers, electric ovens, food temperature detection, and other fields. It consists of two or more thermocouples connected in series, where the thermoelectric potentials output by each thermocouple are superimposed. Used to measure small temperature differences or average temperatures. Thermopile structure: the radiation receiving surface is divided into several sections, each connected to a thermocouple, which are connected in series to form a thermopile. Depending on the application, practical thermopiles can be made in wire-type and thin-film types, as well as multi-channel and array-type devices.

10175002 Electrical Component Parameters

Rated voltage: refers to the safe voltage allowed during normal switch operation. If the voltage across the switch exceeds this value, arcing and breakdown between the two contacts may occur. Rated current: refers to the maximum safe current allowed to pass when the switch is closed; exceeding this value may burn out the switch contacts due to excessive current. Insulation resistance: refers to the resistance value between the conductive and insulating parts of the switch. Contact resistance: refers to the resistance value between each pair of contacts when the switch is in the closed state. Dielectric strength: refers to the maximum voltage the switch can withstand between conductors and ground. Service life: refers to the number of operations the switch can perform under normal working conditions.

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