MIL4922-15L

DC Resistance (DCR):	89 mOhm Max
Height - Seated (Max):	0.230" (5.84mm)
Size / Dimension:	0.520" L x 0.250" W (13.21mm x 6.35mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	1kHz
Operating Temperature:	-55°C ~ 130°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	MIL4922
Shielding:	Unshielded
Current - Saturation:	2.11A
Current Rating:	2.11A
Tolerance:	±15%
Inductance:	15µH
Material - Core:	Ferrite
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors: MIL4922-15L Overview

Application Field

MIL4922-15L Fixed Inductors, also known as power inductors, are used to store magnetic energy in electronic circuit prototypes. These inductors are popular in the telecommunications and automotive industries, as they are often used for power supply filtering and EMI/RFI suppression applications. Additionally, MIL4922-15L Fixed Inductors are highly resistant to vibration, have relatively low losses at low currents, and are able to sustain higher ripple currents compared to other inductor types.The MIL4922-15L are able to operate within a temperature range of -55°C to +125°C, making them suitable for high-reliability applications. These inductors have a current rating of 1.5 A, a DC resistance of 130 mΩ, and a maximum inductance of 22.8 μH. MIL4922-15L Fixed Inductors are typically used in Small Cell, Cellular, and Wi-Fi systems, as well as AC/DC Power Supplies, DC/DC converters, and engine control units.

Working Principle

The MIL4922-15L fixed inductor works via an electromagnetic effect called inductance. This effect occurs when an electromagnetic field is created around a conductor carrying current, typically a coil of wire, when a change in current takes place. This field will then generate a force, known as a self-induction, which then opposes the change in current.The inductance of a coil depends both on the number of turns in the coil and the size of the core that the coil is wound around. A large core material, like a ferrite, will have more inductance compared to a smaller item; likewise, a more tightly wound coil will also hold a higher inductance.When a fixed inductor is used in circuits, its parasitical capacitance can affect its operation. This affects how it will respond to signals with higher frequency components. To reduce this capacitance, it is often best to use a ferrite core for the inductor which acts as a barrier for electrostatic and radio-frequency fields.The MIL4922-15L fixed inductors are designed to be robust and efficient to ensure reliable performance in most application requirements. Thanks to their high inductance and low DC resistance, these inductors require very little power to maintain current at a desired level.

Conclusion

MIL4922-15L Fixed Inductors are designed to deliver excellent performance and energy transfer for a variety of applications in the telecommunications and automotive industries. Thanks to their wide operating temperature range, low DC resistance, and high inductance, these inductors are ideal for use in power supply filtering, EMI/RFI suppression, and other energy transfer applications.

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