PQ3218-3R3-90-T

DC Resistance (DCR):	1.1 mOhm
Height - Seated (Max):	0.728" (18.50mm)
Size / Dimension:	1.260" L x 0.886" W (32.00mm x 22.50mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Through Hole
Operating Temperature:	-30°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	PQ
Shielding:	Unshielded
Current - Saturation:	80A
Current Rating:	70A
Tolerance:	--
Inductance:	3.3µH
Material - Core:	Ferrite
Type:	Planar
Part Status:	Active
Packaging:	Bulk

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Fixed Inductors

Fixed inductors are electronic components whose inductances are of fixed value and their presence is vital for the efficient operation of power-derived electronic circuits. Among the range of fixed inductors available in the market, PQ3218-3R3-90-T is one such inductor whose application fields and working principles are discussed in the following paragraphs.

Applications

The PQ3218-3R3-90-T inductor is primarily used as an EMIF filter in power supply systems. It is also used in various power supply circuits, such as power supplies for personal computers and notebooks, printers, or other similar applications. Other fields of usage include signal line in automotive applications, switching converters, power line filters, and telephone line applications. The PQ3218-3R3-90-T is a popular choice due to its high rated current and small size. It is designed to have a wide range of operating temperatures and low leakage inductance, therefore it is suitable for applications that require less interference with the circuit and high performance.

Working Principle

The working principle of the PQ3218-3R3-90-T is quite similar to other inductors. It is a passive two-terminal electrical component that is capable of storing energy in the form of a magnetic field. When current flows through the inductor, a magnetic field is generated, which in turn induces an electromotive force (EMF) on the inductor\'s terminals. This EMF opposes the change in current, thereby causing a significant decrease in the rate of current change. This phenomenon is known as “inductance”.The PQ3218-3R3-90-T has three pins: one for ground and two for the electrical current. It contains a core of ferrite material, and when the current flows through this core, a magnetic flux is created. This flux tends to oppose any changes in the current, thus allowing the inductor to act as a filter. The inductor is designed to have a low impedance, which helps reduce the effects of interference from other components in the circuit.The PQ3218-3R3-90-T is a high-performance fixed inductor. It offers a wide range of features, such as high rated current, excellent frequency characteristics, and low leakage inductance. It is also highly resistant to vibration and shock, meaning that it can be used in a variety of environments, from automotive to industrial. In conclusion, the PQ3218-3R3-90-T is an excellent fixed inductor with a range of applications and a robust design. It is highly reliable and can be used in power supply systems, automotive applications, switching converters, power line filters, and telephone line applications. It is a great choice for filtering or providing a low-impedance pathway for current to flow. Its working principle is based on the idea of inductance, where an increase or decrease in current flow is opposed by an equal and opposite voltage.

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