DC Resistance (DCR):	10.4 Ohm Max
Height - Seated (Max):	0.551" (14.00mm)
Size / Dimension:	0.413" Dia (10.50mm)
Supplier Device Package:	--
Package / Case:	Radial
Mounting Type:	Through Hole
Inductance Frequency - Test:	1kHz
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	280kHz
Q @ Freq:	100 @ 50kHz
Series:	RL181S
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	30mA
Tolerance:	±5%
Inductance:	8.2mH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Bulk

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Fixed Inductors: RL181S-822J-RC

Application Field

The RL181S-822J-RC is a fixed inductor with a rated inductance of 822µH and a rated current of 41.9A. It is designed to be used in DC/DC converters, electrical motors, automotive applications and general power supply applications. The device has a shielded construction and is designed to provide high EMI suppression for noise sensitive applications.

Construction

The RL181S-822J-RC comprises of two parallel flat coils wound around a single core. The construction of the device is an encapsulated shielded core which provides superior heat dissipation and a low profile due to the thin profile of the core. The device has an extensive range of DC current ratings up to 41.9A. The shield which is applied to the core helps to reduce common mode noise and provide interference protection and high EMI suppression.

Features

The RL181S-822J-RC offers a number of features. These include low DCR, high current rating, a very low leakage inductance and a low-profile design for easy mounting. It also features a sleeve type mounting method for easy installation. The device is designed to work in both AC and DC applications and is also RoHS compliant.

Working Principle

The RL181S-822J-RC is a fixed inductor which follows Faraday\'s law of electromagnetic induction. This law states that when an electric current flows through a coil, a magnetic field is created inside the coil. As the electric current varies, the strength of the magnetic field also varies. This changing magnetic field induces a voltage in the coil, which can then be used to power other devices.

Advantages

The RL181S-822J-RC has many advantages. It offers high current ratings with very low DCR, and its shielded construction helps to provide high EMI suppression. Additionally, its low-profile design makes it easy to mount and it has a sleeve type mounting method for easy installation. It also has a very low leakage inductance, meaning that the device is suited to high current applications.

Disadvantages

The main disadvantage of the RL181S-822J-RC is that it has a limited inductance rating of 822µH. This may be insufficient for some applications which require high current or higher inductance values. Additionally, the device is only designed to work with DC currents, so it does not work well with AC applications.

Conclusion

The RL181S-822J-RC is an excellent choice for applications such as DC/DC converters, electrical motors, automotive applications and general power supply applications. It offers features such as low DCR, high current ratings and a low-profile design. It eliminates the need for wiring by using a sleeve type mounting method for easy installation. Additionally, it also offers high EMI suppression and a very low leakage inductance. The device is RoHS compliant and offers an extensive range of DC current ratings up to 41.9A.

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