SCB73F-470

DC Resistance (DCR):	410 mOhm Max
Height - Seated (Max):	0.138" (3.50mm)
Size / Dimension:	0.291" L x 0.291" W (7.40mm x 7.40mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	1kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	SCB73F
Shielding:	Unshielded
Current - Saturation:	590mA
Current Rating:	920mA
Tolerance:	±20%
Inductance:	47µH
Material - Core:	--
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction: Fixed Inductors

Fixed inductors are inductors, commonly referred to as chokes, whose inductance value cannot be changed in service. Inductors, like other electronic components, perform a specific function, like others, often have ratings and size parameters, and vary in physical structure. The inductor is basically a conducting path of coiled wire, usually a coil. The inductor consists of many more turns of wire, winding around a magnetic core material.

Specific Parameters of SCB73F-470 Inductors

The SCB73F-470 inductor is a low-frequency, ferrite core slotted inductor made by Linked-Tech. It is an ideal choice for switching converters and other electronic applications that require high current. The SCB73F-470 has a maximum rated current of 3A and a leakage inductance of less than 0.2uH. It has an operating temperature of -40°C to +85°C, a frequency range of 0.05 to 500MHz and an inductance of 470nH. It has dimensions of 10.5mm (D) x 10.5mm (H) and a weight of 2.6g, and is available in surface mount and through-hole configurations.

SCB73F-470 Application Field and Working Principle

The SCB73F-470 inductor is widely used in filtering, coupling, choking, noise suppression, impedance matching and signal conditioning. It is commonly used in switching power supply systems for power line filtering, in DC to DC converters for noise suppression, in AC power supplies for filtering, in audio-frequency signal processing systems for impedance matching, in output side choke coils for power supply smoothing, and in other radio-frequency circuits.The working principle of the SCB73F-470 inductor is based on electromagnetic induction. When a coil is surrounded by magnetic material and a current passes through it, a magnetic field will be generated, and this magnetic field will induce a voltage in the coil in the opposite direction to the current, restricting or hindering its flow. This voltage then creates a counter EMF that provides an ingredient for certain configurations, allowing them to function as a filter, resonator, transformer, common inductor or a choke. This produces a resistive type of effect that helps limit or suppress the passage of the undesired AC signal but still allows the desired DC signal to pass. This makes the inductor an ideal choice for power line filtering and noise suppression.

Conclusion

The SCB73F-470 inductor is an ideal choice for switching converters and other electronic applications that require high current. It is widely used in filtering, coupling, choking, noise suppression, impedance matching and signal conditioning applications. Its working principle is based on electromagnetic induction, which produces a resistive effect that helps limit or suppress the passage of the undesired AC signal while allowing the desired DC signal to pass.

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