SPD125-222M

DC Resistance (DCR):	20 mOhm Max
Height - Seated (Max):	0.236" (6.00mm)
Size / Dimension:	0.472" L x 0.472" W (12.00mm x 12.00mm)
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:	SPD125
Shielding:	Shielded
Current - Saturation:	7A
Current Rating:	7A
Tolerance:	±20%
Inductance:	2.2µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Fixed inductors are electronic components that store energy in a magnetic field. They are used in a variety of applications and play an important role in power systems. The SPD125-222M fixed inductor is a common component used in power supplies and other applications due to its good performance, reliability, and affordability. This article will discuss the application fields and working principle of the SPD125-222M fixed inductor.

Application Fields

As a common electronic component, the SPD125-222M fixed inductor can be used for a wide range of applications. It is most often used in power supplies, specifically in power factor correction (PFC) circuits and switch-mode power supplies (SMPS). It is also used in DC-DC converters, motor drives, and other circuits requiring a reliable and efficient inductor. In addition, the SPD125-222M can be used in signal filtering, such as for audio signals and noise suppression.

Working Principle

The SPD125-222M fixed inductor is composed of a nonferromagnetic core and two windings of insulated copper wire. When an alternating current passes through one of the windings, it creates a magnetic field in the core. This magnetic field will then induce a current in the other winding. The magnitude of the induced current is determined by the number of turns in each winding and the frequency of the alternating current. This property of a fixed inductor is called inductance. The SPD125-222M has a maximum operating temperature of 105 °C and is rated at 2.2 mH. This means that the inductor can withstand temperatures up to 105 °C while delivering an inductance of 2.2 mH. Additionally, the component has a maximum DC current rating of 6.7A and a maximum DC resistance of 33.93 mΩ.

Conclusion

The SPD125-222M fixed inductor is a common electronic component used in a variety of applications. It is used in power supplies, motor drives, and other circuits requiring an inductor. The working principle of the SPD125-222M is based on the principle of inductance: an alternating current passing through one winding will induce a current in the other winding. The component has been designed and built to withstand temperatures of up to 105 °C and deliver an inductance of 2.2 mH. Furthermore, it has a maximum DC current rating of 6.7A and a maximum DC resistance of 33.93 mΩ.

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