70F152AI

DC Resistance (DCR):	113 Ohm Max
Height - Seated (Max):	--
Size / Dimension:	0.300" Dia x 0.500" L (7.62mm x 12.70mm)
Supplier Device Package:	Axial
Package / Case:	Axial
Mounting Type:	Through Hole
Inductance Frequency - Test:	79kHz
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	320kHz
Q @ Freq:	50 @ 79kHz
Series:	70F
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	47mA
Tolerance:	±5%
Inductance:	15mH
Material - Core:	Iron
Type:	Wirewound
Part Status:	Obsolete
Packaging:	Bulk

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IntroductionFixed inductors, are also known as Choke, are a type of electrical component that can store magnetic energy in the form of a current and resist changes in the current flow. Fixed inductors can be used in a wide variety of applications including DC-to-DC converters, switching power supplies, low-pass filters, and power amplifiers. The inductance of a fixed inductor can be adjusted to fit the desired application.The 70F152AI fixed inductor is especially designed for the automotive industry, offering features such as a low profile with high power-handling capability, and low DC resistance, that make it ideal for applications such as powertrain systems, lighting, engine control, and audio systems.Construction and Principals of OperationThe 70F152AI fixed inductor is constructed by winding an insulated copper wire around a ferrite core, with each coil of the wire being insulated from the others. Depending on the application, the inductor can also include a bleeder resistor, which reduces radio interference. The inductor\'s ferrite core acts like a magnet, inducing a voltage in the windings of the copper wire when a current is applied. This results in a magnetic flux, which allows the inductor to store energy. Depending on the inductance of the inductor, this can range from a few nanohenries to several henries.When a DC current is applied to the inductor, the resulting magnetic field will cause the inductor\'s windings to resist changes in the current flow. This produces a force that counteracts the current changes. The amount of resistance provided by the inductor is determined by the inductance of the windings, and will be higher when a higher inductance is used.Applications The 70F152AI fixed inductor has a variety of applications in automotive systems. As a low-pass filter, it can be used to remove high frequency noise and reduce electromagnetic interference. In powertrain systems, it can be used to reduce current spikes to protect sensitive components. In lighting, it can be used to improve power quality and reduce radiated interference. In engine control systems, it can be used to provide a stable power supply for control components. In audio systems, it can be used to provide a low pass filter for speakers to improve sound quality.ConclusionThe 70F152AI fixed inductor is an ideal component for use in automotive systems, offering low profile with high power-handling capability, and low DC resistance, that make it ideal for applications such as powertrain systems, lighting, engine control, and audio systems. It can be used to reduce current spikes to protect sensitive components, reduce high frequency noise and reduce electromagnetic interference, improve power quality and reduce radiated interference, and provide a low pass filter for speakers to improve sound quality.

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