MPI4040R4-4R7-R The Eaton MPI4040R4-4R7-R is a shielded, wirewound fixed inductor with a 4.7µH inductance and a 2.9A current rating. It features a surface mountable 1816 package.
Mfr Part #:

MPI4040R4-4R7-R

Available from 1 distributors
Mfr Name: Eaton - Electronics Division
Eaton - Electronics Division
The Eaton MPI4040R4-4R7-R is a shielded, wirewound fixed inductor with a 4.7µH inductance and a 2.9A current rating. It features a surface mountable 1816 package.
Total Stock: 440 pcs
$ Price Range: $0.52

MPI4040R4-4R7-R Available from 1 distributor

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MPI4040R4-4R7-R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Approval Agency
Current
Current Rating (Amps)
DC Resistance (DCR)
Frequency Range
Halogen Free
Height
Inductance
Inductance Range
Length
Material
Mounting Type
Operating Temperature
Shielding
Tolerance
Type
Width

MPI4040R4-4R7-R Description

Short technical summary and product information.

This Eaton MPI4040R4-4R7-R is a high-current, high-frequency miniature power inductor. It is a shielded, wirewound type with a metal composite construction, offering a nominal inductance of 4.7µH and a tolerance of ±20%.

 

The inductor is rated for a maximum DC current of 2.9A and a saturation current of 3.9A at 25°C. It has a low DC resistance (DCR) of 67mΩ at 20°C. The operating temperature range is -55°C to +125°C.

 

Designed for surface mounting, this component comes in an 1816 (4540 Metric) package with dimensions of 4.7mm in length, 4.31mm in width, and 2.00mm in height. It is supplied on tape and reel.

 

Key features include magnetic shielding, handling of high transient inrush current spikes, and a frequency range of 20kHz to 10MHz. Applications include battery-operated devices, portable media players, and notebook computers.

MPI4040R4-4R7-R Quick Information

Product Type: Fixed Inductor
Canonical Name: Eaton - Electronics Division MPI4040R4-4R7-R Fixed Inductor
Subcategory: Power Inductor

MPI4040R4-4R7-R Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Lead Free

MPI4040R4-4R7-R Estimated Pricing

Qty Low High
1+ $0.52 $0.52

Estimated market price range - modelled values for guidance only, not live distributor offers.

MPI4040R4-4R7-R Features

  • Shielded wirewound power inductor.
  • 4.7µH inductance with ±20% tolerance.
  • Rated for 2.9A DC current.
  • Low 67mΩ DC resistance.
  • Compact 1816 surface mount package.

MPI4040R4-4R7-R Applications

  • Handles high transient inrush currents.
  • Suitable for portable media players.
  • Ideal for battery-operated devices.
  • Used in notebook and laptop designs.
  • Applicable for LED driver circuits.

MPI4040R4-4R7-R FAQs

7 frequently asked questions generated from this part’s specifications.
What is the inductance of the MPI4040R4-4R7-R?

The inductance is 4.7 µH with a tolerance of ±20%.

What is the maximum DC current rating for this inductor?

The maximum DC current rating is 2.9 A.

What is the DC resistance (DCR) of the MPI4040R4-4R7-R?

The DC resistance is 67mΩ at 20°C.

What is the operating temperature range for this component?

The operating temperature range is -55°C to +125°C.

What type of package does the MPI4040R4-4R7-R use?

It uses an 1816 (4540 Metric) surface mount package.

Is this inductor magnetically shielded?

Yes, this inductor is magnetically shielded.

What is the recommended replacement part for the MPI4040R4-4R7-R?

The recommended replacement part is MPI40-V2.

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