CB2JB2R20

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Through Hole Resistors

CB2JB2R20 is a type of through-hole resistors-mechanically coupled, the resistance value is typically 20 ohms. Its main application field is in personal computers, VCRs, TV sets, communication systems, power electronic equipment, and other electronic devices. This type of resistor is generally made of carbon composition material, capable of providing strong heat dissipation and durability.

The structure of CB2JB2R20 is fairly simple, consisting of an inner core of resistive material surrounded by an electrically insulative film and typically a two-piece metal casing. The connection terminals of the resistor are also copper or phosphor bronze. A mounting hole allows fixed mounting of the resistor onto Printed circuit boards or other supporting surfaces with screws.

In terms of working principle, the resistance offered by CB2JB2R20 is determined by its core. This core is constructed in such a way to ensure it offers a certain resistance value. This core is usually made of a carbon composition material, as it demonstrates good stability and temperature coefficient within its operating limits. A combination of different materials, such as \'resistor mixtures\', metals and carbon, can also be used in order to meet more specific performance requirements. Once the core is finished, it is typically dipped in an insulation material, such as varnish, to protect against shorting and variable resistance value caused by external influences.

Properly mounted and wired, CB2JB2R20 resistors can dissipate heat generated during operation. This is done in two ways: by air convection and direct mechanical contact. The air convection path is established by the presence of an internal heat sink, which allows air to flow through it. The direct mechanical contact path is facilitated by the mounting hole, which minimizes heat conduction losses.

CB2JB2R20 through hole resistors are mainly used to check circuit loads and reduce the current passing through components. They are capable of providing better insulation resistance, lower inductance and accurate resistance value stability. In addition, they have relatively low profile and good thermal tolerance.

Overall, the CB2JB2R20 through hole resistor is an important part of many electronic components used in personal computers, VCRs, and TV sets, especially because of its ability to withstand strong currents of up to 1.5A. Its solid construction, strong heat dissipation and durability make it an invaluable product for modern electronic devices.

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