SRP1055-2R2M

DC Resistance (DCR):	5.8 mOhm Max
Height - Seated (Max):	0.228" (5.80mm)
Size / Dimension:	0.433" L x 0.368" W (11.00mm x 9.35mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-55°C ~ 150°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	SRP1055
Shielding:	Shielded
Current - Saturation:	10A
Current Rating:	12A
Tolerance:	±20%
Inductance:	2.2µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction to Fixed Inductors

Fixed inductors are components that are designed to store electrical energy in the form of a steady magnetic field. They have the ability to both store and release energy, and are commonly used in everything from power supplies to audio systems. Fixed inductors come in various forms and sizes, and they each have their own specialized uses. One common form of fixed inductors is the SRP1055-2R2M.

SRP1055-2R2M Application Fields

The SRP1055-2R2M is a through-hole surface mount fixed inductor, designed for high current applications. It is ideal for use in power management systems, where it can act as a buffer to absorb transients and ripple currents, and also in high-frequency switching applications, such as DC-DC converters and motor drivers.One of the most common applications for the SRP1055-2R2M is in Power over Ethernet (PoE) systems. PoE systems are designed to deliver power over the same twisted pair of wires as used for Ethernet communications. In this type of system, the SRP1055-2R2M can act as a buffer, allowing safe and efficient current flow without interrupting data transmissions.The SRP1055-2R2M is also used in high-frequency switching circuits, such as stationary LED drivers and motor drivers. In these applications, the SRP1055-2R2M can act as a filter, suppressing voltage ripples that could otherwise cause interference or malfunction.

Working Principle of SRP1055-2R2M

The SRP1055-2R2M is a closed magnetic loop with two windings. When electrical current flows through one winding, a magnetic field is created and induces a corresponding voltage in the second winding. This process creates a direct current (DC) connection between the two windings, and the voltage induced in the second winding is used to regulate the current as required.The SRP1055-2R2M also has the ability to absorb transient and ripple currents, providing an additional level of protection and stability to the system. When a high-frequency current passes through the inductor, the induced voltage in the second winding creates a counterbalancing force. This reduces the current in the first winding and prevents it from exceeding a predetermined level.

Conclusion

The SRP1055-2R2M is a through-hole surface mount fixed inductor, designed for use in high current applications. It is particularly useful in PoE systems, where it acts as a buffer, allowing safe and efficient current flow without interrupting data transmissions. It is also used in high-frequency switching circuits, such as stationary LED drivers and motor drivers, where it acts as a filter to suppress voltage ripples. The SRP1055-2R2M is a closed magnetic loop with two windings, and it has the ability to absorb transient and ripple currents, providing an additional level of protection and stability to the system.

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