ISC1812BN331K

DC Resistance (DCR):	7.54 Ohm 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:	796kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	3.7MHz
Q @ Freq:	40 @ 796kHz
Series:	ISC-1812
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	96mA
Tolerance:	±10%
Inductance:	330µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Bulk

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Fixed Inductors

Fixed inductors are vastly used in electronic devices and circuits. They are also referred to as “chokes” because they restrict the flow of current. One device in particular, the ISC1812BN331K fixed inductor, has applications in a wide variety of electronic circuits. It is also known by various other names such as a Toroidal Inductor, a Coil, an Iron-Core Coil and a Circuit Core.The ISC1812BN331K is a fixed inductor capable of handling large amounts of current. It has a high inductance of 330nH with a tolerance of ±20% at 25°C and a low DCR of 55mΩ. It is RoHS Compliant and Halogen Free, meaning it is Environmentally safe and friendly. Additionally, the component is conformally coated with a clear Epoxy resin for superior protection in hostile environments. The main application of this component is in high frequency circuits such as DC-DC Converters, Telecom applications, Voltage Regulators, Linear Regulators, and many other high frequency switching stages.The working principle of the ISC1812BN331K fixed inductor is simple. It is based on Faraday’s law which states that the rate of change of the current flowing through a conductor is directly proportional to the rate of change of the magnetic flux. The flux is determined by the amount of current flowing through the component and the inductance of the inductor which is the measure of the “stiffness” of the inductor to the change in current. As the current changes, the magnetic flux will change due to an increase or decrease in the core material of the fixed inductor.The ISC1812BN331K uses this principle of Faraday’s law in order to store energy in the form of a magnetic field. When the current flowing through the inductor is applied, it will cause the core material to become saturated with electrons. When the current is removed, the electrons will slowly be released and the magnetic field will dissipate. This stored energy is then used to counter the changes in the current, thus creating a fixed inductance. This component is also designed for resonance and high frequency applications. The high inductance of 330nH allows for high frequency operation, while the low DCR of 55mΩ ensures minimal power loss due to voltage drops across the leads of the component. The component is also designed to have a high Q factor, thereby ensuring the maximum amount of reactance at resonance.The high frequency performance of the ISC1812BN331K, coupled with its RoHS and Halogen Free construction make it an ideal choice for many applications. The component is used in high frequency circuits such as DC-DC Converters, Telecom applications and Voltage Regulators. The ISC1812BN331K is an excellent choice for many applications as it offers a combination of high frequency performance and superior environmental-friendly construction at an affordable cost. Its high inductance, low DCR and high Q factor make it a great solution for high frequency applications.

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