103-822KS

DC Resistance (DCR):	2.5 Ohm Max
Height - Seated (Max):	0.075" (1.91mm)
Size / Dimension:	0.100" L x 0.100" W (2.54mm x 2.54mm)
Supplier Device Package:	--
Package / Case:	Nonstandard, 2 Lead
Mounting Type:	Surface Mount
Inductance Frequency - Test:	7.9MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	48MHz
Q @ Freq:	22 @ 7.9MHz
Series:	103
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	195mA
Tolerance:	±10%
Inductance:	8.2µH
Material - Core:	Ferrite
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction Fixed Inductors, commonly known as chokes or coils, are passive electronic components consisting of an electric coil. They are primarily used to store energy in the form of a magnetic field and to prevent unwanted, high frequency signals from entering a circuit. Chokes are available in various shapes and sizes, such as the popular 103-822KS, and have multiple applications in the field of electronics, from simple filtering in consumer circuitry, to complex power management and power conditioning aspects of commercial and industrial electronics. In this article, we will discuss about the 103-822KS choke, its application field and its working principle. The 103-822KS Choke The 103-822KS choke is a component used to reduce electromagnetic interference (EMI) in electronic systems. The core of the choke is designed with a two-segment centre core, which can be seen clearly in the diagram. This feature allows the choke to be used in both low-frequency and high-frequency applications, as the two segments are electrically isolated and can therefore be used at different frequencies. The 103-822KS choke is commonly used in automotive electronics, industrial electronics and consumer electronics. It is also used in some medical electronic equipment due to its low-EMI characteristics. The choke is typically packed in a molded package, which allows it to be used in both through-hole and surface-mount applications. Applications The 103-822KS choke has multiple applications in the field of electronics. It is primarily used to block high-frequency radio-frequency interference (RFI) from entering a circuit. In automotive electronics, the choke is used to reduce EMI and RFI in audio and signal conditioning circuits. It is also used in power management and power conditioning applications, where it is used to reduce EMI and provide reliable power delivery to sensitive components. The choke is also used in medical electronics to reduce EMI from external sources, such as medical imaging systems and other medical equipment. It is also used in consumer electronics, such as TVs, radios and DVD players, to reduce EMI from external sources. Working Principle The basic working principle of a choke is to store energy in the form of a magnetic field. When a voltage is applied to the coils, a current is induced and a magnetic field is created. This magnetic field stores the energy of the applied voltage. When a high-frequency signal is applied to the coils, the current induced in the coils opposes the applied voltage, resulting in the signal being reduced or blocked. The 103-822KS choke is designed with two segments, each with different characteristics. The two segments are separated to provide better attenuation of high-frequency signals and better power delivery at low frequencies. The choke is able to filter out high-frequency EMI and provide reliable power delivery to sensitive components. Conclusion Fixed Inductors, such as the 103-822KS choke, are widely used in the field of electronics to reduce EMI and provide reliable power delivery to sensitive components. This choke is designed with a two-segment core to provide better attenuation of high-frequency signals and better power delivery at low frequencies. In automotive, industrial and consumer electronics, the 103-822KS choke is used to reduce EMI and provide reliable power delivery to delicate circuits.

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