ISC1812BN150J

DC Resistance (DCR):	1.1 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:	2.52MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	18MHz
Q @ Freq:	50 @ 2.52MHz
Series:	ISC-1812
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	252mA
Tolerance:	±5%
Inductance:	15µH
Material - Core:	Iron Powder
Type:	Wirewound
Part Status:	Active
Packaging:	Bulk

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Fixed Inductors An inductor is an electrical component used to generate a magnetic field, which stores and releases energy in the form of a magnetic field. Among different types of inductors, fixed inductors, as name implies, have a fixed inductance. The fixed inductor does not possess any mechanism for varying its inductance value within a wide range. A fixed inductor typically includes an inductive coil wrapped around a ferromagnetic core. The ferromagnetic material canstore energy in the form of a magnetic field and can significantly expand inductance of coil. The ISC1812BN150J is a fixed inductor specifically designed for a variety of power applications.The ISC1812BN150J is a surface mount inductor that offers superior EMI noise filtering and high peak currents capability. It features an inductance of 15uH and is rated to an operating temperature range of -40 to +125°C. Lastly, the device operates with a current rating of 1.27A and a saturation current of 4.2A.When it comes to applications, the ISC1812BN150J is most commonly used for DC/DC converters, load switching power supplies, mobile power, adapters and in-vehicle equipment. Furthermore, it provides additional power supply lines in the high-frequency transmission of power lines and ground lines, and filtering of signal lines in digital data communication devices, remote control circuits and other occasions.In terms of its working principle, the ISC1812BN150J operates like other fixed inductors. It employs Faraday’s law of induction and the magnetic field created around the inductor coil can store energy, which can be released at a later time when needed. When an electrical device is connected to the inductor, a current flows through the coil. The coil creates a magnetic field, and this field induces a voltage across the inductor’s diode, producing a voltage that is equal and opposite to the applied voltage. Hence, the inductor acts like a damper and slows down the rate of change of applied voltage.The amount of damping depends on the inductor’s inductance and the rate of current change. Higher current rates will require higher values of inductance and the opposite will be true for slower current rates.Furthermore, the ISC1812BN150J has the ability to act as an electrical filter and help reduce and eliminate noise from a circuit. This is done by employing a low-pass filter. Low-pass filters work by allowing low-frequency signals to pass through while attenuating signals of higher frequency. By providing this filtering capability, the ISC1812BN150J can help reduce any spurious noise interference and help maintain the integrity of the source signal in the circuit.All in all, the ISC1812BN150J is an excellent fixed inductor for a variety of power applications. It helps filter out noise from circuits, reduces voltage spikes, and helps dissipate power on demand. With its superior EMI noise filtering and high peak currents capability, it offers an excellent solution for power supply line designs.

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