T1812-4R7J

DC Resistance (DCR):	1 Ohm Max
Height - Seated (Max):	0.143" (3.63mm)
Size / Dimension:	0.195" L x 0.150" W (4.95mm x 3.81mm)
Supplier Device Package:	1812
Package / Case:	1812 (4532 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	7.96MHz
Operating Temperature:	--
Ratings:	--
Frequency - Self Resonant:	115MHz
Q @ Freq:	50 @ 7.96MHz
Series:	T1812
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	230mA
Tolerance:	±5%
Inductance:	4.7µH
Material - Core:	Ceramic
Type:	Wirewound
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Fixed inductors provide a cost-effective solution for the needs of DC-DC converters. They are generally used in consumer electronic applications such as portable devices, cable boxes, digital-to-analog converters, and also for the automotive industry. The purpose of an inductor in a DC-DC converter is to store energy, filter current, or regulate voltage. The T1812-4R7J fixed inductor is a versatile component designed to meet the needs of circuits where high frequency and current are needed. The core of the T1812-4R7J fixed inductor is made up of a magnetic material with a tightly wound coil of wire around it. This inertia helps stabilize output voltage and filter out electrical noise. When an electrical current flows through the coil, a magnetic field is created in the core and the magnetic field in turn interacts with the core to generate an electromagnetic force. This force is used to induce a current in the coil and by carefully controlling the feedback into the system, the desired voltage or current can be achieved. To ensure that the current is being filtered effectively, the inductor can be designed with multiple layers of wire to help block unwanted high frequency signals.The T1812-4R7J fixed inductor is a great choice for any circuit design needing to regulate current or filter electrical noise. The inductor offers a low DC resistance which allows current to pass more freely, reducing energy loss. It also has a high saturation current rating, meaning it can handle high currents without heat build-up. It also features shielded construction for additional noise reduction, making it ideal for high frequency applications. The T1812-4R7J fixed inductor can be used in a variety of applications including AC/DC power supplies, DC/DC switching converters, and voltage regulator circuits. This inductor is best suited for high frequency applications where resistance to electrical interference is needed. For example, this inductor could be used in an automotive audio system that needs to filter out unwanted noise from the air conditioner or other electronic systems in the car.In conclusion, the T1812-4R7J fixed inductor is an ideal choice for circuits requiring high frequency filtering and voltage regulation. Its efficient design and reliable performance makes it an excellent choice for any application.

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