SP1008-122G

DC Resistance (DCR):	252 mOhm Max
Height - Seated (Max):	0.095" (2.41mm)
Size / Dimension:	0.115" L x 0.105" W (2.92mm x 2.66mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	SP1008
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	671mA
Tolerance:	±2%
Inductance:	1.2µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Fixed inductors are electrical components that maintain a fixed magnetic flux and serve an important role in both DC and AC circuits, especially in the fields of electronics, communications, and power supplies. The SP1008-122G fixed inductor is a particularly versatile device, offering maximum power handling and current capability, while providing cost-effective solutions for applications such as power supplies, DC-DC conversion, and signal processing.

Construction and Design

The SP1008-122G is a surface-mount fixed inductor that is constructed of a single or double coated flat ferrite core material. The core material is then filled and encapsulated with a black flame retardant material. The core magnets are then aligned and molded together to form an inductor. These components are then wound with a thin, low-resistance copper wire, forming the internal inductance of the inductor.

Specifications

The SP1008-122G’s specifications include a typical inductance of 18 nH, a saturation current of 255 mA, a maximum operating temperature of 125°C, and a core material of NiZn (Type 4). Furthermore, it has an operating frequency range of 1 KHz to 3 GHz and a power rating of up to 2.5 W. Its resistance is also rated at 0.19 mΩ, with a tolerance of + or – 5%.

Working Principle

At its basic level, inductors are passive electronic components that convert electrical energy into magnetic energy. When a current flows through an inductor, a magnetic field is created, which stores energy in the form of a magnetic field. This stored energy then returns to the power source when the circuit is opened. This phenomenon is known as inductive reactance.When current passes through the SP1008-122G, the magnetic flux created by the core magnets adds to the field of the copper windings. This increases the inductance of the device, allowing it to store more energy as it passes through.

Application Field

The SP1008-122G is a versatile component and can be used in a variety of applications. Its wide operating frequency range and high power rating make it an ideal choice for both AC and DC circuits. Its high-temperature resistance also makes it a good choice for circuits operating at high temperatures.Some of the more common applications for the SP1008-122G include switching power supplies, DC-DC converters, low-frequency power supplies, signal processing, telecom, and industrial electronics. It is also often used in hybrid circuits, where low-frequency inductance values are required.

Conclusion

The SP1008-122G fixed inductor is an ideal fit for a variety of applications due to its higher power rating, low resistance, and wide operating frequency range. It is able to handle higher temperatures and offers a cost-effective solution for DC and AC circuits. With its robust construction and reliable performance, the SP1008-122G is an excellent choice for anyone looking for a robust fixed inductor.

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