B82442T1225J50

DC Resistance (DCR):	22.5 Ohm Max
Height - Seated (Max):	0.209" (5.30mm)
Size / Dimension:	0.220" L x 0.197" W (5.60mm x 5.00mm)
Supplier Device Package:	2220 (5650 Metric)
Package / Case:	2-SMD, J-Lead
Mounting Type:	Surface Mount
Inductance Frequency - Test:	252kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	AEC-Q200
Frequency - Self Resonant:	1.2MHz
Q @ Freq:	30 @ 252kHz
Series:	SIMID
Shielding:	Unshielded
Current - Saturation:	168mA
Current Rating:	100mA
Tolerance:	±5%
Inductance:	2.2mH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to Fixed Inductors

Fixed inductors are passive electronic components which are designed for storing energy in the form of a magnetic field. They are used to provide inductance in circuits providing stability, filtering, modulation or coupling of signals, as well as impedance matching. Inductors come in a wide variety of shapes and sizes, each one tailored to a specific application.

B82442T1225J50 Application Field and Working Principle

The B82442T1225J50 is a type of fixed inductor with an inductance value of 0.12 µH (12 nH). It is a surface-mount type with 2 pins and is designed specifically for SMD (surface mount device) boards. It is primarily used in applications involving communications technology, including cellphones, modems, and PCMCIA (Personal Computer Memory Card International Association) cards.The working principle of an inductor is based on Faraday\'s law of induction, which states that a changing magnetic field will cause a current to flow in a predetermined direction. A current passes through a coil of wire which creates a magnetic field around it. When the current is removed, the magnetic field collapses, causing a voltage to be induced across the coil which in turn creates a current in the opposite direction. This process is commonly seen in transformers, where power is transferred from one circuit to another via the induced magnetic field.In the case of a fixed inductor, such as the B82442T1225J50, the inductance value remains constant. It is used to create a path for energy to flow or be stored in the magnetic field, and helps create a more stable electrical circuit. It is often used in power supply designs to filter noise, in radio circuits to create an oscillator or shaping oscillations, and in waveform shaping for communications signals.

Conclusion

Fixed inductors, such as the B82442T1225J50, are an essential component in modern electronics. They can be found in a variety of applications to help control and shape signals, store energy, and filter noise. By understanding the principles of Faraday\'s law of induction and the roles that inductors play in electronic circuits, engineers can design reliable and efficient electronic systems.

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