RL895-390K

DC Resistance (DCR):	80 mOhm Max
Height - Seated (Max):	0.374" (9.50mm)
Size / Dimension:	0.307" Dia (7.80mm)
Supplier Device Package:	--
Package / Case:	Radial
Mounting Type:	Through Hole
Inductance Frequency - Test:	2.52MHz
Operating Temperature:	-30°C ~ 100°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	RL895
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	1.4A
Tolerance:	±10%
Inductance:	39µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Obsolete
Packaging:	Bulk

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Fixed Inductors describe electrical components which contain a wire coil which stores electrical energy as a magnetic field. The RL895-390K is a family of low profile, ferrite core, fixed inductors manufactured by Coilcraft. They are vertical through-hole based components suited for high volume automated placement and offer high inductance values in small form factors.The inductance of the RL895-390K Series can range from 1.0uH up to 1200uH with maximum rated current ratings of 7.2A. The components have a low DCR of only 0.04Ω to 0.99Ω depending on the model, and an operational temperature range of -40°C to 125°C. They are RoHS compliant and highly suitable for consumer electronics, telecom, notebook computers, switch mode power supplies, and other high frequency applications.Application FieldThe application fields for the RL895-390K series are vast, as it is mainly used for applications that require high efficiency, low power loss, and high current handling capabilities. The small form factors allow the component to take up less space on the PCB which is beneficial in devices that are small and compact.The RL895-390K are well suited for telecom applications such as high frequency line transmission, line ringing, line termination, and RF isolation. Its high efficiency ensures that there is minimal heat dissipation from the component and it offers low power loss in the coil path.In consumer electronics, the component is used for the power management of portable electronic devices such as notebook computers and cellular phones. The small form factor ensures that there is little space taken up on the PCB allowing for more compact and aesthetically pleasing designs.The component is also widely used in switch mode power supplies as it offers both high current handling and low power loss. The range of inductance values and current ratings offer a variety of applications, from low frequency use to high frequency applications, and ensures that there is an inductor suitable for every application.Working PrincipleThe RL895-390K Inductor is a passive type component that uses electromagnetic forces to induce a voltage across its terminals. The internal winding of the RL895-390K consists of coils of insulated wire which allows a magnetic field to be generated when electricity passes through the component. As long as the current is flowing, a voltage will be produced and electrically stored as a magnetic field in the inductor.The inductance of the component determines how much voltage is induced and the amount of current needed to produce it. The higher the inductance of the component, the lower the current needed to create a magnetic field. The RL895-390K has a wide range of inductance values from 1uH to 1200uH meaning that there is an option suitable for most applications.The high current handling capabilities of the coil ensure that current peaks can be dissipated with minimal power loss across the winding. The coil also has a high saturation current rating which allows the component to be used in high frequency applications when high current densities are required.The RL895-390K Inductor is highly reliable and durable due to its ferrite core material and RoHS compliant construction. This component is a great choice for automotive electronics and other high current applications that require both high efficiency and reliability. The small form factor is also ideal for applications where space is an issue.

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