RL1218-151-R

DC Resistance (DCR):	159 mOhm Max
Height - Seated (Max):	0.709" (18.00mm)
Size / Dimension:	0.480" Dia (12.20mm)
Supplier Device Package:	--
Package / Case:	Radial
Mounting Type:	Through Hole
Inductance Frequency - Test:	10kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	3MHz
Q @ Freq:	--
Series:	RL1218
Shielding:	Unshielded
Current - Saturation:	2.56A
Current Rating:	1.89A
Tolerance:	±10%
Inductance:	150µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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RL1218-151-R Fixed Inductors

Fixed inductors, such as the RL1218-151-R, are components capable of producing magnetism when electric current flows through them. They are used in many electrical circuits and appliances to help regulate levels of voltage and current. This article will explore the application field and working principle of the RL1218-151-R fixed inductor.The RL1218-151-R is a miniature fixed inductor, which is made of a magnetic core and a wire coil, that works in low and middle frequency. It is generally used as a choke for EMI noise suppression. Specifically, the RL1218-151-R helps to remove interferences by shielding a circuit’s electromagnetic environment, and it is capable of reducing noises by 50dB or more. It is mainly used in many high-density application fields such as robotic servo control devices, audio equipment, power supplies, televisions, and radios.In terms of its working principle, the RL1218-151-R fixed inductor utilizes the electromagnetic principle to effectively create inductance when electric current flows through it. When current enters the wired coil of the inductor, a magnetic field is generated around it, inducing a counter voltage. This counter voltage is opposite from the voltage passing through, so the average voltage on the wire slowed down in the presence of the inductor. This, in turn, reduces the current in the wire, thus regulating the level of voltage and current. The design of the entire inductor is also very important. To achieve the desired level of inductance, the inductor needs to be designed to ensure it can create a strong sufficient magnetic field. This involves the selection of proper materials for the core and the wire and the calculation of the number of turns of wire that is required. The inductance is also dependent on the size of the RL1218-151-R, its physical shape, and the core material used.Furthermore, the winding and core characteristics determine the output capability of the RL1218-151-R. The output characteristics are usually described in terms of inductance, current, operating temperature, voltage, the number of turns, and the DC resistance. It is important to note that the inductance and core material selection should be determined depending on the specific application field.In conclusion, the RL1218-151-R is one of the most popular fixed inductors, and is able to effectively reduce EMI noise in power supplies, robotic servo control devices, audio equipment, televisions, and radios. It works based on the electromagnetic principle, by creating a magnetic field and inducing a counter voltage when electric current flows through it. To achieve the desired output capabilities, proper selection of materials, calculation of the number of turns of wire, as well as careful consideration of size, physical shape, and core material, are all very important.

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