CF12JT390R Resistors

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Through Hole Resistors incorporate an internal ‘fixed’ resistor component that dissipates heat as it receives power from a connected electrical circuit or device. Through Hole Resistors are essential components for maintaining and controlling a desired voltage and current level in the electric circuits.

CF12JT390R is a through-hole resistor with a package size of 2.5mm x 2mm. It has excellent characteristics including high stability, good temperature and humidity characteristics, low noise, and are suitable for providing feedback in switching power supplies, inverters and other inverter circuits. The resistor features a high impedance value of 390Ω, which makes it ideal for voltage derivation, signal attenuation and current division applications.

CF12JT390R is a non-inductive resistor that is made from metal film of an alloy composition, providing excellent tolerance and temperature coefficient. It also has an operating temperature range which ranges from -55°C to 150°C, with a rated power of 0.125W. This type of resistor is widely used in consumer-based applications like personal computers, microwaves, and communication systems.

The working principle of the CF12JT390R is based on its ability to dissipate energy as conduction current passes through it. This energy is typically in the form of heat, and controls the current passing through the circuit. The resistance of the resistor is defined by its resistance value, with each CF12JT390R device having a nominal resistance of 390Ω. This resistance value is either etched onto the resistor, or printed onto the jacket for traceability.

In order to better understand the working principle of CF12JT390R, it is important to understand the concept of Joule\'s law. This law states that the power dissipated due to the passage of current through a resistor is directly proportional to the square of the current and the resistance. Therefore, the higher the current and resistance, the greater the heat dissipated.

When considering the application field of the CF12JT390R, it is important to consider the type of circuit it will be used in. The resistor is well suited for a variety of circuit applications, including noise and surge suppression, current limiting, and voltage control. It is also often used in feedback circuits, such as those found in power supplies, inverters, and other circuits where the voltage drop needs to be limited and the current needs to be divided.

CF12JT390R is also used as a stabilization and attenuation element in high frequency applications like FM/AM radio tuning, as well as in circuits such as audio amplifiers, mixer circuits, and voltage regulators. The resistor is also ideal for damping signals for portable electronics, as its resistance value allows for the desired level of damping without sacrificing the circuit’s accuracy.

In conclusion, CF12JT390R is a through-hole resistor with a nominal resistance of 390Ω. The resistor is well suited for voltage derivation, signal attenuation, current division, and damping applications. It is commonly used in consumer-based applications such as personal computers, microwaves, and communication systems, as well as in feedback circuits for power supplies and inverters. Its operating temperature range of -55°C to 150°C and its rated power of 0.125W makes it an ideal choice for a variety of circuit applications.

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