5500R-474K

DC Resistance (DCR):	393 mOhm Max
Height - Seated (Max):	0.520" (13.21mm)
Size / Dimension:	1.050" L x 0.495" W (26.67mm x 12.57mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	1kHz
Operating Temperature:	-55°C ~ 130°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	5500R
Shielding:	Unshielded
Current - Saturation:	810mA
Current Rating:	1.59A
Tolerance:	±10%
Inductance:	470µH
Material - Core:	Ferrite
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed InductorsFixed inductors, sometimes referred to as reactors, are electrical components composed of conducting coils wound around a core material, usually made from ferrite or iron dust cores. They are employed in various circuits for energy storage, filtering, and tuning purposes. Additionally, they serve as power limiters to protect against overcurrent, and in controlling antenna amplifiers.The 5550R-474K application field and working principle are used widely due to its popularity. As a fixed inductor, its application field and working principle can be broken down into two distinct categories. First, they are used to store energy such as in an RC circuit. In this circuit configuration, a resistor and a capacitor are connected in series and the inductor is placed parallel to the resistor and capacitor combination. When current is applied to the circuit, the circuit stores energy in the form of a magnetic field around the inductor, and this magnetic field resists any external changes in the current. This property allows the inductor to store energy and results in a smooth output wave form.Second, they act as filter components to transmit an AC signal while suppressing any DC signal. This is achieved by connecting an inductor and a capacitor in series creating what is known as an LC circuit. The inductor and capacitor in the LC circuit form a low pass filter, meaning once the frequency of the AC signal falls below the cutoff frequency, the signal is transmitted and the DC signal is suppressed. In many audio applications, this property of the LC Circuit is used to maximum the signal to noise ratio of the audio output.Finally, fixed inductors can be used to control antenna amplifiers. The inductor is connected to the antenna\'s RF output and provides a small amount of reactance between the antenna and the amplifier, allowing the antenna to be properly matched to the amplifier. This maximizes the antenna gain by ensuring that the antenna is receiving the exact amount of RF energy necessary for proper signal reception.All in all, fixed inductors are important components in many applications and are used widely for their superior properties such as energy storage, filter applications, and for controlling antenna amplifiers. The 5550R-474K is a popular fixed inductor and provides great performance in all of its functions.

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