PM428S-1R8-RC

DC Resistance (DCR):	25 mOhm Max
Height - Seated (Max):	0.118" (3.00mm)
Size / Dimension:	0.189" L x 0.189" W (4.80mm x 4.80mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	146MHz
Q @ Freq:	9.18 @ 7.96MHz
Series:	PM428S
Shielding:	Shielded
Current - Saturation:	2.2A
Current Rating:	2.7A
Tolerance:	±30%
Inductance:	1.8µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to Fixed Inductors

Fixed inductors are electrical components that store energy in the form of an inductive electric field. They are commonly used in electronic circuits to avoid interference and avoid having to use other bulky components like coils and transformers.Fixed inductors are used in a variety of applications, including power supplies, communications computers, audio applications, medical equipment, industrial control systems, and other electrical equipment.PM428S-1R8-RC Application FieldsPM428S-1R8-RC is designed for use in applications where a wide range of current levels are needed. It has a maximum current rating of 1.8 A (being higher than other lower-power, fixed inductors), with a rated inductance range of 8 mH to 18 mH. This type of inductor is the ideal for applications such as IEEE 802.11a, WLAN, CDMA, WiMAX, and LTE.Furthermore, PM428S-1R8-RC has an operating temperature range of -40°C to 85°C and a load life of 2000 hours at +85°C with 0.25 to 0.75 A of rated current, making it an excellent choice for high-power, high-voltage applications. Due to its excellent performance, the PM428S-1R8-RC is suitable for use in high-end embedded systems, automation systems, and other high-end devices.PM428S-1R8-RC Working PrincipleThe PM428S-1R8-RC is a toroidal-shaped inductor with an internal ferrite core. Its toroidal shape and internal ferrite core allow it to be used in a variety of applications without significant performance degradation due to high temperature or output voltage.The working principle of the PM428S-1R8-RC is relatively simple. When an electric current moves through the inductor, it creates a magnetic field that induces a current in the inductor\'s internal ferrite core. This induction method is known as self-inductance, which is a common way of storing energy.As the current in the inductor\'s core increases, so does the magnetic flux, resulting in an increasing magnetic field being generated. The resulting field creates a force that opposes the current, resulting in a decrease in the current. This force is known as inductance.The PM428S-1R8-RC is designed to operate at various frequencies, so it is important to keep in mind that the characteristics of the inductor are frequency-dependent, meaning that the inductance value will vary with the frequency of the electric current. ConclusionPM428S-1R8-RC is a fixed inductor that is designed to withstand high levels of current and a wide operating temperature range. It is an ideal choice for high-power, high-voltage applications like embedded systems, automation systems, and other high-end devices. Its working principle is based on self-inductance, which is the process of storing energy in an electric field. By understanding this working principle, it is easier to understand why this inductor is such a great choice for a variety of applications.

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