SCRH74B-821

DC Resistance (DCR):	5.2 Ohm Max
Height - Seated (Max):	0.177" (4.50mm)
Size / Dimension:	0.307" L x 0.307" W (7.80mm x 7.80mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	1kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	SCRH74B
Shielding:	Shielded
Current - Saturation:	200mA
Current Rating:	200mA
Tolerance:	±20%
Inductance:	820µH
Material - Core:	--
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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< html > < head > < title > SCRH74B-821 Application Field and Working Principle < body > < h3 > Introduction Fixed inductors are one of the most fundamental components of the electrical circuit. The SCRH74B-821 is a fixed type inductor designed by Sumida Corporation. It is designed for high power components that require high load resistance, higher efficiency, and better stability. The SCRH74B-821 can be used in both commercial and industrial applications.< h3 > Application Field The SCRH74B-821 is suitable for use in high-power, high-load applications such as modems, switchers, power supplies, inverters, motor controllers, harmonic suppression networks, and telecom systems. The SCRH74B-821 can also be used in low-noise applications, such as low-noise amplifiers and high-end audio systems, as well as high-stability applications such as AC adapters.< h3 > Working Principle The SCRH74B-821 is a high power fixed-type inductor. It is constructed using high power multi-stranded copper wire which is wound onto an aluminum core. The current flow through the copper wire generates an oscillating magnetic field, which then induces an electromagnetic field in the aluminum core. The amount of induced voltage depends on the number of turns in the coil and the amount of current passing through it. The inductance of the SCRH74B-821 is determined by the number of turns in the coil and the size of the aluminum core, which can vary depending on the specific application.< h3 > Conclusion The SCRH74B-821 is a fixed-type inductor designed for use in high-power, high-load applications. It is constructed using high power multi-stranded copper wire which is wound onto an aluminum core. The current flow through the copper wire generates an oscillating magnetic field, which then induces an electromagnetic field in the aluminum core. The inductance of the SCRH74B-821 is determined by the number of turns in the coil and the size of the aluminum core. This makes the SCRH74B-821 a versatile and reliable component for a wide range of applications.

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