103-273F

DC Resistance (DCR):	6.9 Ohm Max
Height - Seated (Max):	0.075" (1.91mm)
Size / Dimension:	0.100" L x 0.100" W (2.54mm x 2.54mm)
Supplier Device Package:	--
Package / Case:	Nonstandard, 2 Lead
Mounting Type:	Surface Mount
Inductance Frequency - Test:	2.5MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	22MHz
Q @ Freq:	25 @ 2.5MHz
Series:	103
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	120mA
Tolerance:	±1%
Inductance:	27µH
Material - Core:	Ferrite
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors – 103-273F Application Field and Working Principle

Inductors play a crucial role in the operation of electronic circuits. Fixed inductors come in varying sizes and shapes to suit applications and system requirements. The 103-273F is a fixed inductor designed to deliver high-frequency operation while occupying a small physical space. This piece of hardware provides stable performance in a variety of applications requiring magnetics solutions.

103-273F Application Field

The 103-273F is primarily intended for their use in high-frequency applications, such as in integrated humidifier and digital multimeter circuits, but is also well suited to power supplies and other switching power circuits. This inductor is built using materials suited to the induction requirements of these applications. With a 0.6 Ω maximum DCR, the 103-273F is suitable for a wide range of power and load currents. It also features high ripple current capability to attenuate input and output noise in these circuits.The 103-273F is also suitable for use in matching networks, which require low stray inductance values for stability. With an SRF of 120MHz, the inductor can filter out higher frequencies to provide clear DC and low-frequency signals to the components and circuits in the system.

103-273F Working Principle

The 103-273F fixed inductor is designed to deliver high frequency operation. It is based on the principle of electromagnetic induction, whereby the motion of a conductor through a magnetic field creates an electric current. In the 103-273F, a core material of ferrite provides an ideal environment for the flow of electrons within the core material. The ferrite core material provides high permeability for maximum inductance performance.The metal core material is wound around the ferrite core material. The winding consists of an inner and outer layer – the inner layer is typically composed of copper or aluminum, while the outer layer is wound using copper wire, with an insulation material separating the two layers. The winding is designed to provide the inductor with high frequency operation and a low DC current resistance.The 103-273F provides high efficiency by incorporating an iron-dust core. The iron-dust core contributes to improved efficiency by providing increased permeability in the core material. The iron-dust also reduces the parasitic losses associated with traditional ferrite cores.The size of the 103-273F is small due to its core material. The combination of ferrite and iron-dust core materials provides a low profile, component in a variety of applications with minimum physical size.Finally, the 103-273F can operate reliably in environments where high temperature and high humidity are present. It is designed to be resistant to moisture which makes it ideal for humid environments where traditional inductors might not be suitable.

Conclusion

The 103-273F is a fixed inductor designed for high frequency applications. It is based on the principle of electromagnetic induction, leveraging ferrite and iron-dust core materials to provide high frequency performance in a small physical size. The 103-273F is capable of delivering stable performance in a wide range of applications requiring magnetics solutions, particularly those requiring high ripple current capability or small-size inductors. The 103-273F is suited for power supplies, digital multimeter circuits, and matching networks, and is reliable in support of high temperature and humidity environments.

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