4445R-02M

Series:	4445R
Packaging:	Bulk
Part Status:	Active
Type:	Toroidal
Material - Core:	Iron
Inductance:	12nH
Tolerance:	±20%
Current Rating:	3A
Current - Saturation:	--
Shielding:	Unshielded
DC Resistance (DCR):	20 mOhm Max
Q @ Freq:	60 @ 150MHz
Frequency - Self Resonant:	1GHz
Ratings:	--
Operating Temperature:	-55°C ~ 125°C
Inductance Frequency - Test:	150MHz
Mounting Type:	Through Hole
Package / Case:	Radial
Supplier Device Package:	--
Size / Dimension:	0.210" L x 0.110" W (5.33mm x 2.79mm)
Height - Seated (Max):	0.230" (5.84mm)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Fixed Inductors

Fixed inductors are passive components used in electronic circuits to limit current and provide capacitance. The 4445R-02M is a fixed inductor featuring a wide range of operating frequencies, good temperature stability, and high ESR values. This inductor is suitable for use in many applications, such as switching-mode power supplies, voltage converters, and DC/DC converters.

Application Field

The most common applications of the 4445R-02M fixed inductor include motor inverters, telecom power supplies, automotive systems, and electric vehicles. This inductor can also be used in frequency range and power supply related areas. It provides high-efficiency performance in dc-to-dc converters and in voltage conversion applications.

Working Principle

The working principle of the 4445R-02M is simple. As its name indicates, it is a fixed inductor, meaning that its inductance stays constant and doesn\'t change with increasing current amplitude. It works by restricting the flow of electricity in a circuit by increasing the resistance of the circuit. The inductance is established by windings, a ferromagnetic core, and an air gap. The windings create an electromagnetic field that increases the amount of current that needs to flow through the inductor to achieve a certain voltage drop.

Performance Characteristics

The 4445R-02M inductor offers a wide range of operating frequencies, up to 100 kHz. It also features excellent temperature stability, with a −55°C to +125°C operating temperature range. The inductor has a high ESR value, improved energy efficiency, and low profile, making it a great choice for motor inverters, telecom power supplies, automotive systems, and more.

Conclusion

In conclusion, the 4445R-02M fixed inductor is a versatile, high-performance component, suitable for a wide range of applications. Its ability to provide constant inductance, wide operating frequency range, excellent temperature stability, and high ESR values make it a popular choice among engineers.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description