SC31-220

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Fixed Inductors

An inductor is a passive electrical component that stores energy in a magnetic field when electric current flows through it. Inductors are used in a range of applications, such as in power supplies, for signal filtering and for radio frequency (RF) signals. Fixed inductors used in these applications come in a variety of shapes and forms, with the SC31-220 being an example of one type.

The SC31-220

The SC31-220 is a fixed inductor developed by Shun-Kee Electronics. It is a surface mount device, making it easy to install as it requires less space. It has an overall height of just 0.184 inches, allowing it to fit in more compact areas than other available models. It features a low profile, power handling up to 3 amperes and high inductance up to 3.7 µH.

The SC31-220 has an operating temperature range from -40°C to +85°C, a maximum DC resistance of 0.042 Ω and a rated voltage of up to 1.6V. It also includes 12 separate pins for easy installation.

Application Fields

The SC31-220 is a versatile fixed inductor that is suitable for a range of applications. It is suited for use in switching power supplies and general high-current applications, such as LED lighting, consumer electronics and pre-DC DC converters. It is also ideal for other DC to DC applications, including automotive, communications, computing, industrial and military.

As a surface mount device, the SC31-220 is designed to fit into tight spaces. It is capable of supporting voltage and current higher than other similar inductors, making it suitable for a range of circuit designs in systems with more power. The inductor is able to provide electrical isolation between the input and output circuits, protecting connected components from ground loops and minimizing interference between the two sides.

Working Principle

The SC31-220 fixed inductor works on the same general principle as other inductors. When electric current passes through the device, a magnetic field is generated by the coil in the center of the component. This magnetic field stores energy in the form of electromagnetic energy, which helps protect connected components from sudden changes in voltage.

This stored electromagnetic energy is released gradually, reducing transient voltage and current in the connected circuit. This ensures that the electrical components connected to the inductor will not be damaged by sudden spikes or shortages in the voltage. It also helps to reduce interference between different components in the circuit.

The SC31-220 fixed inductor is designed to be more efficient than other similar inductors. Its low profile active portion and its wide operating temperature range helps to ensure that it can handle a wide range of electrical current. The design also helps to minimize the chance of failures, due to its strong construction and high level of vibration resistance.

Conclusion

The SC31-220 is a surface mount fixed inductor that is ideal for high-current power applications. It is suitable for use in switching power supplies, LED lighting, consumer electronics and pre-DC DC converters. It offers power handling up to 3 amperes, a maximum DC resistance of 0.042 Ω and a wide operating temperature range from -40°C to +85°C. The device works on the same general principle as other inductors, storing energy in a magnetic field to reduce transient voltage and current in the connected circuit. The SC31-220 is designed to be more efficient than other similar models, making it a popular choice among circuit designers.

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