2512-472J

DC Resistance (DCR):	1 Ohm Max
Height - Seated (Max):	0.110" (2.79mm)
Size / Dimension:	0.255" L x 0.105" W (6.48mm x 2.67mm)
Supplier Device Package:	2-SMD
Package / Case:	2-SMD, J-Lead
Mounting Type:	Surface Mount
Inductance Frequency - Test:	7.9MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	2512
Shielding:	Unshielded
Current - Saturation:	477mA
Current Rating:	636mA
Tolerance:	±5%
Inductance:	4.7µH
Material - Core:	Ferrite
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Fixed inductors, such as the 2512-472J type, are extensively used in electrical and electronic circuits as components in power supplies, radios, amplifiers, and motors. These components are typically used to store and transfer energy or to change the current/voltage of a given circuit. They are also used as filters, ripple reactors, chokes, saturable reactors, impedance limiters, and auto-transformers.

The 2512-472J Application Field

The 2512-472J fixed inductor is a small-sized power inductor products developed by the Korea Semiconductor Industry Co., Ltd. It can be used as a filter in signal processing circuits, a damping element in crystals oscillators, and a load in audio circuits. It also represents a high power-to-weight ratio, with an output power of more than 6W.Due to its size, the 2512-472J is often used as a replacement for larger inductors in applications that require low power or signal processing functions, such as power supplies, radios, and amplifiers. It is also suitable for use in linear and switching power supplies, because it can be used to store and transfer energy during switching cycles without introducing any noise. It also features high inductance stability over high temperature and current ranges.

The 2512-472J Working Principle

The 2512-472J fixed inductor is based on the principle of magnetism. The inductor features two coils that are wound around a ferromagnetic core. These coils are designed to transfer energy through a magnetic field into electric current.When a voltage is applied to the coils, a magnetic field is produced which induces a current in the adjoining coil. The current can then be increased or decreased depending on the resistance. The amount of energy that is stored and transferred is determined by the inductance of the coils.The winding ratio is an important factor for the 2512-472J fixed inductor, as it determines the parameters with which current is exchanged between the two coils. The windings on the inductor also produce a certain degree of electromagnetic interference (EMI) which must be accounted for when considering applications for the device.

Conclusion

The 2512-472J fixed inductor is a small-sized power device designed for low-power applications such as power supplies, radios, and amplifiers. It is based on the principle of magnetism and features two coils that are wound around a ferromagnetic core. The winding ratio is an important factor, as it determines the amount of energy that is stored and transferred. The 2512-472J device also produces a certain degree of EMI which must be accounted for when considering applications for the device.

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