PL9219T

DC Resistance (DCR):	232 mOhm Max
Height - Seated (Max):	0.201" (5.10mm)
Size / Dimension:	0.413" L x 0.413" W (10.50mm x 10.50mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Features:	--
Operating Temperature:	-55°C ~ 130°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	PL92XX
Shielding:	Shielded
Current - Saturation:	1.4A
Current Rating:	1.36A
Tolerance:	±20%
Inductance:	82µH
Material - Core:	--
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Inductors are passive electrical components that store energy in the form of a magnetic field when an electric current passes through them. Fixed inductors, such as the PL9219T, are widely used in electronic circuits to filter and control signal frequencies and improve the power and stability of electrical systems. This article looks at the application field and working principle of the PL9219T.The PL9219T is an epoxy-molded, power short, axial-leaded inductor, designed to operate at frequencies of 25MHz - 250MHz and for currents up to 2A. Its key features include an exceptionally low core loss and extremely high stability even under severe environmental conditions. This makes it an ideal choice for use in critical applications such as:

• Automotive electronics
• Power factor correction (PFC) systems for power supplies
• Voltage regulators (VRMs) for DC-DC conversion
• Mobile phones, tablets and other consumer electronics
• Television and radio transmitters

When an alternating current is applied to the inductor, it produces a magnetic field which stores energy in the form of an oscillating electric and magnetic field. This cycle is repeated until all of the energy stored in the inductor has been dissipated. The frequency at which this cycle occurs is determined by the inductance of the inductor, which in turn is determined by its core material, dimensions and the number of turns on the coil.At higher frequencies, the inductor\'s internal resistance increases due to the increased losses associated with the eddy currents induced in the core material——this is known as the skin effect. In order to minimize these losses, the PL9219T uses a combination of low-loss ferrite cores and nickel-iron alloy (permalloy) to reduce the eddy current losses and ensure a high Q-factor even under severe environmental conditions.The PL9219T is also designed to maximize energy storage and minimize the core loss. It is wound using high-grade copper wire which minimizes the DC resistance and thermal losses, ensuring that the inductor can handle high output currents with minimal energy loss. Additionally, the winding and core materials are specially designed to minimize core saturation and magnetic noise.The package size of the PL9219T makes it suitable for use in high-density applications. Its axial lead terminals are compact and easy to mount onto pc boards. The winding is encased in epoxy and placed in an ABS or polystyrene enclosure for protection against electrical noise and dust.In summary, the PL9219T is an ideal choice for use in a wide range of critical applications and due to its high power and energy handling capabilities, very high stability and extremely low core losses, it has become a popular choice among designers and electronics engineers.

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