HK212582NJ-T

DC Resistance (DCR):	900 mOhm Max
Height - Seated (Max):	0.047" (1.20mm)
Size / Dimension:	0.079" L x 0.049" W (2.00mm x 1.25mm)
Supplier Device Package:	0805 (2012 Metric)
Package / Case:	0805 (2012 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100MHz
Operating Temperature:	-40°C ~ 85°C
Ratings:	--
Frequency - Self Resonant:	600MHz
Q @ Freq:	18 @ 100MHz
Series:	HK
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	300mA
Tolerance:	±5%
Inductance:	82nH
Material - Core:	Ferrite
Type:	Multilayer
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors - HK212582NJ-T Application Field and Working Principle

Fixed inductors, also known as inductors, are electrical components with an inductance that is fixed after manufacture, which means they produce a consistent provided amount of electrical energy when energized. HK212582NJ-T is an example of a fixed inductor, which is a high current power inductor from Sumida. This type of high current power inductor is designed to withstand higher power ratings than standard power inductors, allow relatively higher frequency ranges and maintain high saturation current ratings.

Application Field of HK212582NJ-T

HK212582NJ-T is a type of fixed inductor mainly used for power supplies in consumer electronics, such as mobile phones and computers. Additionally, this type of fixed inductor is also used in board mounted capacitor systems, power supply filtering, power supply noise and polarity protection, switch mode power supplies, battery power systems, AC/DC power supply, automotive industry, variable speed drives, and solar power applications.

Working Principle of HK212582NJ-T

Fixed inductors are mainly composed of a magnetic core and an electrical coil. Maget core is made of ferromagnetic materials, such as iron. The electric coil is the winding part of the inductor, which is usually composed of multiple closed loops of enameled copper wire. When the electric current passes through the electric coil, the electric coils will generate and store a certain magnetic field. When the current stops, the stored magnetic field will collapse and a induced electromotive force will be generated. The energy in the current is then converted into electromagnetic energy, thus performing inductive work.The inductance of fixed inductors like HK212582NJ-T is mainly dependent on the coil and core materials. Generally, iron core inductors have higher inductance than air core inductors, and the cross-sectional area of the wire used in the coil will affect the inductance of the inductor. The size of the inductor directly affects its power rating, too. Larger inductors can withstand higher power than smaller inductors, and HK212582NJ-T is suitable for high current power supply, owing to its relatively large size and high saturation current ratings.

Conclusion

In conclusion, HK212582NJ-T is a type of high current power inductor from Sumida, mainly used for power supplies in consumer electronics, such as mobile phones and computers. This type of fixed inductor has relatively large size and high saturation current ratings, allowing them to withstand higher power ratings than standard power inductors while maintaining relatively high frequency ranges. The inductance of inductors is mainly dependent on the coil and core materials, with larger inductors able to withstand higher power than smaller inductors.

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