DC Resistance (DCR):	9.8 mOhm
Height - Seated (Max):	0.272" (6.90mm)
Size / Dimension:	0.720" L x 0.551" W (18.30mm x 14.00mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	7.96MHz
Q @ Freq:	22 @ 40MHz
Series:	PM5022
Shielding:	Unshielded
Current - Saturation:	17A
Current Rating:	7.6A
Tolerance:	±20%
Inductance:	3.3µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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PM5022-3R3M-RC application field and working principle

Fixed Inductors, and more specifically the PM5022-3R3M-RC, are components found in electronic systems specifically designed to store energy in the form of magnetic fields during their operation. The wider study of electronic circuits with inductors is referred to in the field as inductor design and application.Inductors have an ability to slowly release or absorb the energy they store. This ability allows them to effectively smooth out short-term variations in currents, to help filter signals and eliminate any unwanted frequencies, and to act as a stabilizing factor in circuits with predictable results. The PM5022-3R3M-RC is a very specific type of fixed inductor, designed with specific application fields in mind.The core of the PM5022-3R3M-RC is carefully designed with a wound copper coil, wound around a ferrite core material. The ferrite material serves to efficiently concentrate and store the magnetic flux of the coil. These components are typically used to create inductance in the circuit, which helps to reduce any spurious signals and increase efficiency. When used in high power applications, such as AC power electronics and power supplies, the PM5022-3R3M-RC inductor is designed to handle the high current (up to 20A) and inductance requirement (sub 0.1µH typical). The inductor has a wide operating frequency range of 0.5 to 2MHz, depending on the circuit design, allowing for it to be used in various applications with highest efficiency. In addition to its robust construction, the PM5022-3R3M-RC has a low DCR (0.03Ω typ) of the winding resistance, making the component ideal for use in power circuitry as it eliminates the possibility of stressing the power supply. This helps to protect against potential destruction of the circuit board and components from heat generated due to a high DCR.The PM5022-3R3M-RC fixed inductor has several important applications. It is used in switching power supplies such as DC-DC converters, resonant DC-DC converters, and basic DC-DC converters, to maintain the flow of current and stabilize the output voltage. The low DCR of the inductor helps to reduce the dissipation caused by the circuit, which in turn extends the life of the components. The inductor is also used in other high power applications, such as solar powered systems, audio amplifiers, and in regulating current and voltage changes in high-scale frequency circuits.The working principle of the PM5022-3R3M-RC can be easily summarized as a process through which the inductor stores energy in the form of a magnetic field inside the ferrite core, and then releases it in the form of a current or voltage when needed. It is a simple but efficient mechanism, as every time there is a change in the current, the inductor acts as a absorber, relieving the circuit of any sudden changes. The winding of copper on the ferrite material helps to concentrate magnetic flux within the core, creating a strong and stable field. As a change in the current occurs, its magnetic field interacts with the coil, inducing a voltage which opposes the change in the current, thus providing the necessary stability and current smoothing. In conclusion, the PM5022-3R3M-RC is a fixed inductor designed for use in high power applications. It is a highly efficient and low cost component which helps to reduce the output noise, filter out any unwanted frequencies, and stabilize the output of the circuit. The careful wound copper coil around the ferrite core helps to store energy in the form of magnetic fields, thus providing the necessary stability when changes in current occur.

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