PTKM330R-50

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Fixed inductors are electronic components used in various electrical circuits, mainly filters, resonators, reaction networks, and other dedicated circuits. The PTKM330R-50 is an inductor in this category. It is a low-profile, highly reliable, and lead-based, molded-construction SMT power inductor. Its superior performance makes it suitable for a variety of applications, most notably notebooks, power supply systems, and personal digital assistants.

PTKM330R-50 Technical Specifications

The PTKM330R-50 is an inductor that boasts a wide range of features and capabilities, including:

• Frequency Range: 300 KHz to 2.5 MHz
• Rated Current (Max): 2.25A
• Inductance Range (Min): 44uH
• Operating Temperature Range (JIS C-5402): -40°C to +125°C
• Surface Mount Package type: 1608 (1210 metric)
• Saturation Current: 4.2A
• Leakage Inductance: 25uH

PTKM330R-50 Application Field

The PTKM330R-50’s wide range of characteristics makes it suitable for a variety of applications. Its high current-carrying capability and low leakage inductance make it suitable for high-quality audio applications, such as high-power loudspeakers. Its low profile also makes it suitable for applications where space conservation is a priority, such as laptop computers, flat-panel displays, and power supply systems. It is also well-suited for current detection circuits such as over-current and short-circuit protection.

PTKM330R-50 Working Principle

The PTKM330R-50 is a passive component that operates on the principle of electromagnetic induction. It consists of a wire coil that is wound around a magnetic core, which allows the inductor to store kinetic energy. When a current is sent through the coil, it produces a magnetic field, which, in turn, induces an electromotive force or EMF that opposes the change in current. This is known as “back electromotive force” or back EMF, and is the main principle upon which the inductor operates.

The magnitude of the impedance (opposition to current) is determined by the inductor’s inductance, which is defined as:

Inductance (L) = Voltage (V) / Current (I)

Thus, the higher the inductance, the greater the impedance of the inductor and the greater the opposition to changes in current. This property makes the PTKM330R-50 suitable for applications where precise current control is required, such as in current detection or filtering circuits.

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