VLS252012HBX-6R8M-1 Inductors, Coils, Chokes

DC Resistance (DCR):	372 mOhm Max
Height - Seated (Max):	0.047" (1.20mm)
Size / Dimension:	0.098" L x 0.079" W (2.50mm x 2.00mm)
Supplier Device Package:	1008 (2520 Metric)
Package / Case:	1008 (2520 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	1MHz
Operating Temperature:	-40°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	VLS-HBX-1
Shielding:	Shielded
Current - Saturation:	940mA
Current Rating:	1.15A
Tolerance:	±20%
Inductance:	6.8µH
Material - Core:	Metal
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to Fixed Inductors

Fixed inductors are components that consist of a single loop or multiple turns of wire that are wound onto a core. They are built for a specific inductance, such as those in the VLS252012HBX-6R8M-1 series. These inductors allow electric current to flow through them but oppose changes in current, which causes electrical energy to be stored temporarily as magnetic energy. The more turns of wire on the inductor, the higher the inductance will be.

Application Fields of Fixed Inductors

Fixed inductors have a wide array of applications. They are used as components in power supplies, DC-DC converters, power inverters, transformers, and signal filters. They are also used for shielding of EMI, peak suppression, freewheeling, buck-boost, and soft start.

VLS252012HBX-6R8M-1 Fixed Inductor

The VLS252012HBX-6R8M-1 series is a range of fixed inductors manufactured by Vishay Intertechnology. It consists of a single-layer cylindrical construction made from epoxy-filled plastic and a ferrite core. The inductors are rated for operating frequencies up to 2.5MHz and a temperature range of -40°C to +125°C. They are also RoHS compliant and resistant to soldering heat.The part number VLS252012HBX-6R8M-1 indicates that this is a Fixed Inductor with a nominal inductance of 8.2µH ±25%. This inductance is calculated using an ideal transformer model and is based on the standard manufacturing values. The series features high-current operation, ultra-low DCR, and a superior temperature coefficient.

Working Principle of Fixed Inductors

The working principle of a fixed inductor is based on the concept of Faraday’s law of induction. This law states that an electric field will induce a magnetic field, and a changing magnetic field will induce an electric field. This is known as electromagnetic induction.The inductor works by harnessing this principle. When electric current is allowed to flow through the inductor, it creates a magnetic field. This magnetic field, in turn, induces an electric current in an opposing direction, creating an opposing electric field. This opposes the direction of the current, leading to losses in the current’s energy. This loss is converted into magnetic energy, which is then stored in the inductor until the current is stopped or reversed.

Conclusion

Fixed inductors are components that are designed to store and convert energy using the principles of electromagnetic induction. They are used in power supplies, DC-DC converters, power inverters, transformers, signal filters, and EMI shielding applications. The VLS252012HBX-6R8M-1 series is a range of fixed inductors manufactured by Vishay Intertechnology with a nominal inductance of 8.2µH ±25%. They are rated for operating frequencies up to 2.5MHz and a temperature range of -40°C to +125°C.

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