4632-RC

DC Resistance (DCR):	3 Ohm Max
Height - Seated (Max):	--
Size / Dimension:	0.290" Dia x 0.875" L (7.37mm x 22.22mm)
Supplier Device Package:	Axial
Package / Case:	Axial
Mounting Type:	Through Hole
Inductance Frequency - Test:	790kHz
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	12MHz
Q @ Freq:	107 @ 790kHz
Series:	4600
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	400mA
Tolerance:	±5%
Inductance:	100µH
Material - Core:	Iron
Type:	Wirewound
Part Status:	Obsolete
Packaging:	Bulk

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IntroductionFixed inductors are electronic components commonly used in power and signal conditioning circuits. Fixed inductors are designed to store and release energy in the form of a magnetic field, and come in a variety of different types and sizes. The most commonly used is the 4632-RC type inductor, which is a miniature, light-weight monolithic component designed for space-constrained applications.Application FieldThe 4632-RC inductor is a popular choice for use in a range of high-frequency switching applications. It has a low on-state resistance and fast switching speeds that make it ideally suited for use in Pulse Width Modulation (PWM) and switching power supplies. It is frequently used as a DC-DC converter in both input and output inductors for solar inverters, battery packs, and other power electronics. Due to its small size and low-loss core construction, the 4632-RC is also used in telecom and networking equipment.DesignThe 4632-RC inductor is built with a miniature air-core design that is optimized for high-frequency performance. It is composed of a high-purity permalloy core that is wound with high resistance wire or coil form conductors. The winding is insulated with an enzymatic varnish to maximize stability and reliability. The core is encapsulated in an epoxy-molded housing that increases mechanical stability and protects it against environmental hazards.Working PrincipleWhen current flows through the coil of an inductor, a magnetic field is created. This magnetic field stores energy in the form of a magnetic field, and releases it back into the circuit when the current is stopped. This stored energy is used to reduce electrical noise that might otherwise cause interference with other components in the circuit. The4632-RC inductor is able to maintain its inductance value over a wide frequency range and is highly resistant to losses caused by stray magnetic fields.ConclusionThe 4632-RC inductor is a compact, light-weight component used in a variety of power electronics applications. Its miniature air core design provides excellent performance at high frequencies, and its low on-state resistance and fast switching speeds make it an ideal choice for DC-DC power conversion applications. Its core is encased in an epoxy-molded housing for increased mechanical stability and environmental protection.

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