PM125SH-120M-RC

DC Resistance (DCR):	23 mOhm Max
Height - Seated (Max):	0.256" (6.50mm)
Size / Dimension:	0.492" L x 0.492" W (12.50mm x 12.50mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	19.4MHz
Q @ Freq:	27 @ 2.52MHz
Series:	PM125SH
Shielding:	Shielded
Current - Saturation:	5A
Current Rating:	5.2A
Tolerance:	±20%
Inductance:	12µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Fixed inductors are key components in electronic circuits used for storing energy in the form of an inductive field when an electric current passes through them. Among the many types of inductors available today, the PM125SH-120M-RC is one of the most popular choices for its wide range of applications and excellent performance. In this article, we will explore the application fields and working principles of the PM125SH-120M-RC inductor.

Types of inductors

Inductors are categorized into two main types – asymmetrical and symmetrical. Asymmetrical inductors, also known as line-to-line or series inductors, use a coil with two coils wound around a core. The current flows in one direction and produces an increased magnetic field in the core. These inductors provide excellent noise suppression and are ideal for high-frequency applications with limited capacitance.Symmetrical inductors, also known as line-to-neutral or parallel inductors, use two coils wound around a core and the current flows in both directions. These inductors are usually more efficient than asymmetrical inductors since they can handle higher power levels and impose a lower DC resistance.

Features of the PM125SH-120M-RC

The PM125SH-120M-RC is an asymmetrical fixed inductor designed to provide excellent frequency response and low noise levels. It features an inductance rating of 0.1mH and a maximum DC resistance of 1.2ohms. It features a magnetically shielded construction that allows for low EMI and excellent noise suppression characteristics. The excellent impedance characteristics of the PM125SH-120M-RC make it one of the most popular choices for electronics design engineers in the industry.

Application fields

The PM125SH-120M-RC inductor is most widely used in high frequency switching power supply applications for suppressing noise in the circuit. It can also be used in radio frequency receivers, AM and FM passthroughs, and low voltage DC motor drives. This inductor is also used to reduce the current ripple caused by rectified AC power in AC to DC power supplies.

Working principle

The working principle of this inductor is relatively simple. When an alternating current is applied to the inductor, it creates a magnetic field which in turn induces electrical current in the core. This current works to resist any changes in the applied current, thus producing an increased, stable voltage. In simple terms, the PM125SH-120M-RC inductor uses electrical current to cause an increase in voltage, thus creating a stored energy field that can be used for various applications.

Conclusion

The PM125SH-120M-RC is a fixed inductor designed for high frequency applications. It features excellent noise suppression properties and is an ideal choice for power supply designs, radio frequency receivers, and low voltage DC motor drives. The inductor works by creating a magnetic field that generates a stored energy field, allowing it to provide increased, stable voltage.

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