RL187-221J-RC

DC Resistance (DCR):	3 Ohm Max
Height - Seated (Max):	0.441" (11.20mm)
Size / Dimension:	0.315" Dia (8.00mm)
Supplier Device Package:	--
Package / Case:	Radial
Mounting Type:	Through Hole
Inductance Frequency - Test:	796kHz
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	2.9MHz
Q @ Freq:	80 @ 796kHz
Series:	RL187
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	200mA
Tolerance:	±5%
Inductance:	220µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Bulk

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Fixed Inductors: RL187-221J-RC

Inductors are components that store electric charge and facilitate its exchange between conductors. A fixed inductor is one with an inductance value that is fixed and can not be adjusted. The RL187-221J-RC is a type of fixed inductor from the RL series by Taiyo Yuden.

Application Fields

RL187-221J-RC inductors are suitable for a variety of applications such as line impedance stabilization networks, high-frequency filters, voltage doublers, computer peripherals, audio equipment, telecoms, automotive systems and more. Their wide operating temperature range makes them ideally suited for automotive systems.

Specifications and Characteristics

The RL187-221J-RC fixed inductors have an operating frequency of 1MHz and an inductance range of 0.156 μH to 3.3 μH. They have an inductance tolerance of ±5%, ±10% and ±20% depending on the series. Rated current varies from 0.5 A to 5.1 A. The temperature range for these inductors ranges from -40°C to +125°C.

Working Principle

These fixed inductors take advantage of Faraday\'s Law. The current passing through the coil creates a magnetic field, which causes a voltage to be produced in the coil\'s windings. This voltage opposes any increase in current.A basic RL circuit consists of a fixed resistance and an inductor, connected in series. An alternating current passes through the circuit, and the resulting voltage is also alternating. The capacitance of the inductor to the changing current and the opposition it generates is called inductive reactance. This opposes the current, reducing its flow and this resistance is called inductance. The RL187-221J-RC inductors act as a filter, allowing only certain frequencies to pass through which depend on the value of the inductance. This is useful for controlling the frequency within an electrical signal and filtering out noise.

Conclusion

The RL187-221J-RC fixed inductors are an ideal choice for applications requiring selective filtering. With a wide operating temperature range and a variety of inductance values, they provide long-term, reliable performance. For these reasons, they are widely used in a range of applications from automotive systems to telecoms.

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