LD1-4R7-R Inductors, Coils, Chokes

DC Resistance (DCR):	94 mOhm Max
Height - Seated (Max):	0.126" (3.20mm)
Size / Dimension:	0.177" L x 0.157" W (4.50mm x 4.00mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	LD
Shielding:	Unshielded
Current - Saturation:	2A
Current Rating:	1.57A
Tolerance:	±20%
Inductance:	4.7µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed inductors are passive components used to store electric energy and provide different effects on the distribution of electric and magnetic fields. The most common type of fixed inductors is the LD1-4R7-R. This type of inductor is used in many applications due to its small size and reliable performance. In this article, we will discuss the application fields and working principles of the LD1-4R7-R fixed inductor.The application fields of the LD1-4R7-R inductor are very diverse and span across many different disciplines. This type of inductor is primarily used in low-frequency filtering as it can provide stable levels of impedance in a wide range of circuit designs and frequencies. It can also be used in switched-mode power supplies, where it helps reduce power losses due to a reduced voltage coefficient. Additionally, this type of inductor is a useful choice for motor control systems, as it offers superior electrical characteristics over other types of inductors.The working principle of the LD1-4R7-R inductor is based on Faraday’s law of induction, which states that a change in magnetic flux through a circuit will produce an electric current. This is the principle on which the basic setup of an inductor is based. In the case of the LD1-4R7-R, the core material is a ferromagnetic or ferrite material, which has a high coercivity and high saturation magnetization. The coils of the inductor are wound in a tight winding pattern, and this is where the inductance is generated.The primary purpose of an inductor is to oppose changes in electric current. In the case of the LD1-4R7-R, this property is the primary factor that makes it an effective component for low-frequency filtering applications. When a voltage is applied to the inductor, it will begin to generate a magnetic field, which will act as an “opposition force” to the electric current. This is what causes the stable impedance levels that are needed for low-frequency filtering applications.In addition to the LD1-4R7-R inductor’s filtering properties, it is also a useful device for voltage regulation as it can prevent large current spikes due to its low voltage coefficient. This makes it a very effective component for switch mode power supplies. It is also an excellent choice for motor control circuits as it offers excellent non-linear properties. This makes it an ideal choice for high-power pulsed applications.In conclusion, the LD1-4R7-R is a multi-functional fixed inductor that is suitable for a wide range of applications. Its small size, reliability, and wide range of electrical characteristics make it one of the most popular fixed inductors on the market. Its efficient working principle makes it ideal for low-frequency filtering, voltage regulation, and motor control applications.

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