CBT25J3R3

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Through Hole Resistors generally serve as a barrier for current flow in electronic circuits, either by increasing resistance or by altering the voltage present. The CBT25J3R3 application field and working principle is no exception. As a type of high voltage, non-inductive, axial leaded, resistor, this component is usually used in ceramic tube receivers, high-voltage power supplies, high-voltage motor controls, electronic precision measuring instrumentation, and other applications.

The CBT25J3R3 consists of a metal body and a cylindrical glass encapsulated ceramic core. In the metal body, leads can be soldered and the ceramic core is enclosed in the epoxy body for protection against dust and dirt. The ceramics used in the core are known for their stable resistive properties, high quality and rugged construction, as well as providing an electrical breakdown voltage of 5KV.

The CBT25J3R3 works on a simple principle; its resistance is determined by the material used for the ceramic core and the length of the ceramic tube. This resistor is constructed with two wires, each of which has a ceramic core, separated by a metal layer. When an electrical current flows through the two wires, electrical energy is converted to heat energy, which is absorbed by the metal and ceramic components in the resistor. This conversion reduces the voltage and current in the circuit and the resistance is determined by the length and materials used for the ceramic and metal components.

The CBT25J3R3 is ideal for high voltage power supplies, electronic precision measuring instrumentation, motor controls and ceramic tube receivers. Its non-inductive design provides a low level of electrical leakage and high level of reliability, while its axial leaded construction means that it is easy to assemble to a PCB. The ceramic core offers a stable resistive value, which is unaffected by a wide range of variables including humidity and temperature.

CBT25J3R3’s strong construction, high quality, and stable resistive value make it a reliable component in a wide range of electronic circuits. Its rugged design, high dielectric strength, and simple working principle make it an ideal choice for a variety of high voltage applications. It is this versatility that has made the CBT25J3R3 such an important component in the field of electronic engineering.

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