Fixed Inductors

CAL45TB121K Application Field and Working Principle

Inductors are useful components used in a variety of electronic circuits. They are often used to produce signals, store energy, limit or control current, and cancel out unwanted interference. Of the many types available, fixed inductors are the simplest and least expensive. The CAL45TB121K is a type of fixed inductor which is used in many different applications.

The CAL45TB121K is an inductor of low profile construction with a nominal inductance of 1.2 microhenries. It is designed to fit into boards as small as 0.047 inches tall. The core material is a ferrite bar which eliminates magnetic radiation and provides improved performance at high frequencies. The core is coated with a flame retardant resin to conform to UL 94V-0 specification.

The CAL45TB121K is commonly used in high-current applications such as power supplies and automotive circuits. This inductor can also be used in timing and low-ignore circuits.

The working principle of a fixed inductor is quite simple. When an alternating current is passed through a coil of wire, a magnetic field is generated. This field induces a voltage in the coil and the resulting voltage is proportional to the rate of change of the current. When the inductor is connected to a circuit, this voltage opposes any change in current, which is why inductors are useful for limiting or controlling current. They also store energy, which can be transferred to other components in a circuit.

The CAL45TB121K is highly efficient and provides excellent performance in a variety of applications. Its low profile construction and flame retardant resin coating make it ideal for use in tight spaces and harsh environments. With its proven reliability, this inductor is an excellent choice for a variety of projects.