SLF12575T-1R2N8R2-H Inductors, Coils, Chokes

DC Resistance (DCR):	5.1 mOhm Max
Height - Seated (Max):	0.309" (7.85mm)
Size / Dimension:	0.492" L x 0.492" W (12.50mm x 12.50mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	1kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	AEC-Q200
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	SLF-H
Shielding:	Shielded
Current - Saturation:	13A
Current Rating:	8.2A
Tolerance:	±30%
Inductance:	1.2µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Fixed Inductors are components commonly found in electronics. They are used to prevent unwanted high frequency signals from interfering with other circuits in a device. The SLF12575T-1R2N8R2-H is an inductor from Seiko Instruments, and it has specific application fields and working principles.

Application Field

The SLF12575T-1R2N8R2-H is designed to work in high-frequency DC-DC converters. It is mainly used to prevent the electrical noise caused by the high current flow involved in DC-DC converters. It is also used in low frequency buck converters to reduce unwanted noise.

Working Principle

An inductor can be thought of as a type of wire. It is made up of a long coil of metal wire around a core material. When an electric current passes through the inductor, a magnetic field is created around it. As the current in the inductor increases or decreases, the magnetic field also increases or decreases. This changing magnetic field creates a force around the inductor, which acts to resist changes in the current. This resistance to changes in the current is referred to as inductance. The SLF12575T-1R2N8R2-H is designed to work at a frequency range of 1MHz to 300MHz. This is a relatively high frequency range, and the inductor has a very high amount of inductance, allowing it to block out noise signals in this frequency range. The inductance of this inductor can be adjusted by changing the number of turns in the coil.

Conclusion

The SLF12575T-1R2N8R2-H is an inductor from Seiko Instruments, and it is mainly used in high-frequency DC-DC converters and low-frequency buck converters. It has the ability to block out signals in the frequency range of 1MHz to 300MHz, and its inductance can be adjusted by changing the number of turns in the coil. By understanding the application field and working principle of this inductor, engineers can ensure they are using it correctly in the design of their devices.

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