SP1812-154G

DC Resistance (DCR):	5.1 Ohm Max
Height - Seated (Max):	0.134" (3.40mm)
Size / Dimension:	0.189" L x 0.134" W (4.80mm x 3.40mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	1kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	SP1812
Shielding:	Shielded
Current - Saturation:	168mA
Current Rating:	198mA
Tolerance:	±2%
Inductance:	150µH
Material - Core:	Ferrite
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed InductorsInductors are usually passive electrical components that store electrical energy in the form of a magnetic field when current passes through them. Inductors are widely used in electrical circuits for different applications, such as filtering frequencies, smoothing power supply and protecting against voltage surges.SP1812-154G is a type of fixed inductor, which means that its inductance is fixed to a specific value. It typically consists of a ferrite core that is wrapped with insulated copper wire. The ferrite acts as a magnetic shunt, and the copper wire forms a coil or winding in which the current flows.The basic working principle of fixed inductors is that, as the current through it increases, the inductor stores energy in the form of a magnetic field, and the resulting magnetic flux induces an electromotive force (EMF) in the winding, resulting in a counter electromotive force (CEMF), which opposes the incoming current.In contrast to the traditional variable inductors, fixed inductors have a fixed inductance value that is set by its physical design, i.e., the number of turns in the copper wire, the core material used and its relative permeability, and the core size.The applications of fixed inductors include use in power supply filtering, noise suppression, Voltage stabilization, DC-DC conversion, signal step-up and step-down, and in matching circuits and impedance transformers. The SP1812-154G fixed inductor is quite versatile in its application and is capable of handling current up to 1.5A, which makes it suitable for various applications. It is available in three sizes, with a nominal inductance range of 25 to 220µH. Additionally, its high mechanical strength due to a double gold termination ensures its long-term reliability. In addition, this fixed inductor has a wide temperature range and a low inserted loss, making it suitable for high frequency applications. Moreover, its small size allows for greater miniaturization of products.Overall, the SP1812-154G fixed inductor is highly reliable, efficient and cost-effective. It finds application in power supplies, DC-DC converters, switchers, portable electronic devices, and various other manufacturing projects.

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