FSQ3120RJ

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FSQ3120RJ is a through-hole resistor and refers to a fixed resistor with its size, form and composition such as lead wire, ceramic sleeve and mouth and other components, as a simple resistor element, whose material is metal, carbon, semiconductor film, etc. Because the contact part of it is a metal lead, it is called “through-hole resistor”.

The application field of FSQ3120RJ is very wide, such as electric industry, electronics, medical, automotive, military, aerospace, instrument and electrical equipment, etc. It is widely used for impedance matching, pulse signal propagation delay, voltage divider, etc. But the specific application field and its use in electrical and electronic systems is based on its value, size and tolerance. Generally speaking, it can be applied in controlling the current flow in both analog and digital circuits.

The working principle of FSQ3120RJ is as follows. When current flows through it, a certain amount of voltage will be generated at the two ends of the resistor due to the resistance contained in the resistor, and the magnitude of this voltage depends on the resistance value and the current value. Therefore, based on Ohm’s law, the current can be calculated by voltage and resistance. Moreover, when current flows through the resistor, its body will generate heat, and the amount of heat produced also depends on the resistance value and the current value.

In addition, when FSQ3120RJ is used, the current flowing through it should not exceed its power dissipation rating that is indicated on the body. It is very important to choose the right type of resistor with right tolerance and size suitable for a certain application. But it is also necessary to pay attention to the temperature Coefficient of resistance of the resistor. It refers to the situation when the ambient temperature, rate of rise of temperature or average temperature may change within a certain period, resulting in a change in the resistance value of the resistor.

In conclusion, FSQ3120RJ is a through-hole resistor that is widely used in electric industry, electronics, medical, automotive, military, aerospace, instrumentation and other electric and electronics systems for impedance matching, pulse signal propagation delay, voltage divider. Its working principle is that when electric current flows through it, it will generate a certain amount of voltage and heat, and the current, voltage and heat generation are determined according to the resistance value. In order for it to work safely, one should pay attention to the power dissipated and temperature coefficient of resistance as well.

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