DC Resistance (DCR):	900 mOhm Max
Height - Seated (Max):	0.134" (3.40mm)
Size / Dimension:	0.177" L x 0.126" W (4.50mm x 3.20mm)
Supplier Device Package:	1812
Package / Case:	1812 (4532 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	2.52MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	25MHz
Q @ Freq:	50 @ 2.52MHz
Series:	ISC-1812
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	279mA
Tolerance:	±10%
Inductance:	10µH
Material - Core:	Iron Powder
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Introduction

A fixed inductor, also called a choke, encapsulates an electromagnetic coil and is used to control electric current flow in a circuit. It is one of the most widely used and reliable components in electrical and electronic circuits. Fixed inductors come in a variety of forms, sizes and configurations depending upon their magnetic characteristics and intended application. The ISC1812ER100K, a type of fixed inductor, is designed to provide stable, precise and accurate inductance, and is mainly used in power supplies, dc converters, and power amplifiers.

ISC1812ER100K Application Field and Working Principle

The ISC1812ER100K fixed inductor is designed to provide stable and accurate inductance for power supplies, dc converters, and power amplifiers. It has a shielded construction which helps reduce the effect of external magnetic and electromagnetic interference on the device. It also has a number of features such as low electric and magnetic losses, reliable long-term operation, and high temperature stability. The inner winding is protected by a special winding technique that minimizes the effect of electromagnetic and environmental disturbances.The ISC1812ER100K fixed inductor is primarily used in power supply applications because of its excellent power factor frequency, reduced current ripple on output, and increased system efficiency. It is also suitable for use in dc/dc converters that require low-noise applications, such as portable and communication systems. The ISC1812ER100K is also extensively used in dc/ac inverters, magnetics, filters, and other power supply applications. In operation, the ISC1812ER100K fixed inductor provides a magnetic field that stores energy. The magnetic field is formed by an electric current passing through a wire coil. The amount of current flowing through the inductor affects the strength of the magnetic field and, consequently, the inductance of the inductor. The electric current also creates a counter-emf in the coil that works against the applied current and reduces the current that passes through the inductor. This makes the inductor a passive component that consumes power from the circuit while limiting the current to certain level.In most practical circuits, several types of fixed inductors are used to achieve better performance in terms of power and signal management. In addition to the ISC1812ER100K, other types of inductors, such as fixed iron core inductors, varistors, and common mode inductors, are usually used in combination to achieve different goals.

Conclusion

The ISC1812ER100K is an excellent fixed inductor for various power supply applications and is suitable for use in power supplies, dc/ac converters, portable systems, and communication systems. It has a wide range of features such as low electric and magnetic losses, reliable long-term operation, superior power factor, reduced current ripple, and high temperature stability. In circuits, multiple types of fixed inductors are usually used in combination to achieve different performance goals.

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