S4924R-186H

DC Resistance (DCR):	225 Ohm Max
Height - Seated (Max):	0.230" (5.84mm)
Size / Dimension:	0.520" L x 0.250" W (13.21mm x 6.35mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	79kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	550kHz
Q @ Freq:	30 @ 79kHz
Series:	S4924R
Shielding:	Shielded
Current - Saturation:	7mA
Current Rating:	46mA
Tolerance:	±3%
Inductance:	18mH
Material - Core:	Ferrite
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Fixed inductors are devices which produce a constant defined electromagnetic induction, whose purpose is to form an electrical filter or in applications that require a defined impedence. Fixed inductors are usually made of coils of several turns of conductive wire, with or without core elements. They are usually categorized by the maximum current they can withstand, as well as the frequency for which they behave optimally.One of the most common fixed inductors is the S4924R-186H. This device is made of a ferrite core featuring two windings each having approximately 10 turns and a 1 millimetre coil size. It also has an outer diameter of 12.7 millimetres, a height of 16.5 millimetres and an inductance of 1.0 microhenries.The applications in which a S4924R-186H can be used are quite varied. It is best suited for use in radio frequency circuits and baseband applications, but can also be used in any type of circuit needing a defined impedance. It can be used for low-level signal processing, for voltage adaptation, as well as in RF signal filtering.The working principle of a S4924R-186H relies heavily on the principles of inductance. Whenever a current is sent through its conductive wire, a magnetic field is created around it, which is known as the Faraday effect. This magnetic field will then induce a voltage on the other end of the device, which is known as Back-EMF. This is the basic operating principle of all induction coils.When a S4924R- 186H is used in an electrical circuit, it acts as a resistor. This means that when a current is sent through, its impedance will prevent the flow of electricity, causing a voltage drop across its coils. This means that the S4924R-186H can be used to regulate the electrical current, adjusting its flow in a certain way.For the purposes of RF signal filtering, a S4924R-186H behaves like a low pass filter. That is, when the signal is sent through its coils, only certain frequencies can be sent through, while the rest is blocked and dissipated as heat. This allows the device to act as a sort of frequency-dependent resistor.In conclusion, the S4924R-186H is a versatile fixed inductor, and has a wide range of applications in electrical circuits. Its main application is in RF signal filtering, but it can also be used in other applications requiring a defined impedence. It works based on the principles of Faraday effect and Back-EMF, and can act as a low-pass filter, allowing for frequency-dependent resistances.

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