SDR0302-122KL Inductors, Coils, Chokes

DC Resistance (DCR):	30 Ohm Max
Height - Seated (Max):	0.110" (2.80mm)
Size / Dimension:	0.118" L x 0.110" W (3.00mm x 2.80mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	1kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	3MHz
Q @ Freq:	40 @ 252kHz
Series:	SDR0302
Shielding:	Unshielded
Current - Saturation:	80mA
Current Rating:	60mA
Tolerance:	±10%
Inductance:	1.2mH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Fixed inductors are common electronic components used in a wide range of applications. They offer significant advantages over the more traditional variable inductors, such as an increased efficiency in many applications, as well as improved signal quality and higher safety standards. One example of a fixed inductor is the SDR0302-122KL, which is widely used in low-power applications such as power supplies, microcontrollers, and audio amplifiers. This product has a wide variety of application fields, from consumer electronics to medical equipment.

Application Field of SDR0302-122KL

The SDR0302-122KL is used in a variety of applications, but its most popular use is to improve power efficiency in low-power applications. The component\'s performance is excellent in these applications, with its ability to reduce power consumption by as much as 25%.In addition to power applications, the SDR0302-122KL is also used in audio amplifiers for audio clarity and increased signal quality. The component is able to improve the signal-to-noise ratio (SNR) of audio signals, and also reduces distortion in the signal path.The SDR0302-122KL is also used in medical applications, such as those involving electrolytic capacitors and medical instruments. The component provides reliability and safety, while still maintaining the necessary performance. Finally, the SDR0302-122KL also finds applications in consumer electronics, particularly in portable devices such as MP3 players and mobile phones. This component can provide better sound quality in these devices, as well as improved durability in their power supply circuits.

Working Principle of SDR0302-122KL

The SDR0302-122KL works on the principle of inductance, which is the ability of a component to store energy in the form of a magnetic field. Inductors are made up of conductors wound around a magnetic core. When current passes through the conductor, an electromagnetic field is created, which is stored in the core of the inductor. The magnetic field induces an opposing voltage in the windings of the inductor. This voltage is known as "Back EMF" or "Counter EMF". This voltage opposes the original voltage, and reduces the current flow through the windings. This effect is called "flux linkage,” and is the main reason for the improved power efficiency provided by fixed inductors such as the SDR0302-122KL.

Conclusion

]The SDR0302-122KL fixed inductor is a popular component used in a wide range of applications, from power supplies to consumer electronics. Its main advantage is its ability to improve the efficiency of power circuits, as well as its ability to provide better signal quality and higher safety in applications such as medical equipment. The working principle of the SDR0302-122KL is based on the magnetic flux linkage effect, which reduces the current flow through the windings of the inductor and improves the overall efficiency.

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