PM74S-180N

DC Resistance (DCR):	100 mOhm Max
Height - Seated (Max):	0.193" (4.90mm)
Size / Dimension:	0.307" L x 0.276" W (7.80mm x 7.00mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	2.52MHz
Operating Temperature:	-30°C ~ 100°C
Ratings:	--
Frequency - Self Resonant:	19MHz
Q @ Freq:	--
Series:	PM74S
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	1.29A
Tolerance:	-15%, +25%
Inductance:	18µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Inductors, also known as coils, are components of electrical circuits which are designed to resist any changes in current that flow through them. This resistance is achieved by creating a magnetic field that reacts with the current that is passing through it. The PM74S-180N is an example of a fixed inductor and is widely used in a variety of electronic applications due to its high inductance and resistance to saturation.

Application Fields of PM74S-180N

The PM74S-180N fixed inductor is typically used in areas which require high inductance, such as in power management circuits within consumer electronics. It can be found in the power supplies of mobile devices like laptops, tablets, and phones which require noise filtering. Additionally, it is used for impedance matching which ensures efficient transmission of signals between stages of the circuit. The PM74S-180N is often used in radio frequencies (RF) applications, particularly for amplifying signals. As this particular inductor offers high performance and reliability, it is frequently featured in audio systems, medical equipment, and instruments used in the industrial and automotive sectors.

Working Principle of PM74S-180N

The fixed inductor of the PM74S-180N uses an air gap to create the inductance so there is no need for a core. Specifically, the inductor coil consists of several turns around an air core. When a current passes through this coil, a magnetic field is formed which opposes the current in order to create a voltage drop across the inductor. This voltage drop causes energy to be stored within the inductor’s magnetic field, which ensures a steady current flow throughout the electrical circuit. This inductor is designed to provide consistent performance as the current demand changes due to its high resistance to saturation.

Advantages of the PM74S-180N

The PM74S-180N has numerous advantages that make it ideal for different applications. Firstly, this fixed inductor offers high inductance, which eliminates the need for several conventional inductors in the circuit and increases overall performance. Additionally, its air gap core decreases the temperature rise when compared to conventional inductors, as air is a good insulator.Another asset of the PM74S-180N is that it works in a wide range of frequencies, ranging from 10kHz to several MHz, and can even provide performance up to 10GHz in some applications. Furthermore, this inductor features a high resistance to saturation. This means that it is able to maintain consistent performance even when high currents are present in the circuit. All of these features make the PM74S-180N a great choice for any application which requires high inductance and uniform performance.

Conclusion

The PM74S-180N is an excellent example of a fixed inductor that is widely used in a variety of electronic applications. Its high inductance and resistance to saturation make it an ideal choice for high performance and reliability in numerous industries. It also offers a wide range of frequencies which adds to its versatility. With the numerous advantages of this fixed inductor, it is no wonder why the PM74S-180N is becoming increasingly popular in consumer electronics, radio frequencies (RF) applications, audio systems, medical equipment, and instruments in the industrial and automotive industries.

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