Introducing the MPIA4040 series of automotive-grade high current, high frequency surface-mount power inductors manufactured by Eaton Bussmann Electrical. Designed for demanding automotive electronic applications, these miniature power inductors deliver reliable performance across a wide frequency range and high transient current spikes.
Product Features
Part Number: MPIA4040R4-2R2-R
Manufacturer: Eaton Bussmann Electrical
Country of Origin: Korea (KR)
Package Type: Reel
UOM: Each (EA)
ECCN: EAR99
RoHS Compliant: Yes
Halogen Free & Lead-Free
Magnetically Shielded Design
Suitable for high transient inrush current handling
Frequency Range: 20kHz to 10MHz
Inductance Range: 0.09µH to 22µH
Current Range: 1.1A to 32.0A
Compact footprint: 4.7 x 4.31 mm
Available Heights: 1.2mm, 1.5mm, 1.85mm, 2.0mm
Rugged construction for automotive environments
Applications
Body Electronics
Central Body Control Module
Vehicle Access Control Systems
Headlamps, Tail Lamps, Interior Lighting
Door Control Systems
Advanced Driver Assistance Systems (ADAS)
Radar Systems (77GHz)
Automatic Parking and Collision Avoidance
In-Vehicle Infotainment and Navigation
Active Noise Cancellation
Chassis and Safety Electronics
Technical Specifications
Part Number
OCL ± 20% (µH)
Part Marking
I² rms (A)
I sat @ 25°C (A)
DCR (mΩ) ± 20%
K-factor
MPIA4040R4-R22-R
0.22
A
10.1
15.0
5.3
2405
MPIA4040R4-R33-R
0.33
9.50
12.8
6.0
1870
MPIA4040R4-R47-R
0.45
8.10
11.5
8.2
1530
MPIA4040R4-1R0-R
1.0
5.70
8.20
17.0
990
MPIA4040R4-1R5-R
1.5
4.90
6.90
23.0
802
MPIA4040R4-2R2-R
2.2
3.90
5.70
35.0
673
Environmental & Mechanical Data
Storage & Operating Temperature Range: -55°C to +125°C
Solder Reflow Temperature: J-STD-020D compliant
Dimensions: 4.7 x 4.31 mm footprint with heights options from 1.2mm to 2.0mm
Supplied in tape and reel packaging: 3000 parts per reel (MPIA4040R4 series)
Datasheet & Additional Information
For detailed specifications and application guidance, please refer to the datasheet.
Note: Transient pulse not to exceed 1 millisecond. Maximum operating frequency less than 10MHz; consult factory for specific applications.
For more details, please search the internet using the part number: MPIA4040R4-2R2-R.
Unfortunately I havent tested the 5G, Only difficult part was connecting antennas. But everything is good, by default it runs on Qualcom's QMI mode, Had to switch to MBIM and it works good with Windows. Planning to run with OpenWRT soon.
{"id":10027510497597,"title":"MPIA4040R4-2R2-R","handle":"mpia4040r4-2r2-r","description":"\u003ch3\u003eFixed Inductors 2.2µH 5.7A MPIA4040 Series\u003c\/h3\u003e\n\n\u003cp\u003eIntroducing the MPIA4040 series of automotive-grade high current, high frequency surface-mount power inductors manufactured by Eaton Bussmann Electrical. Designed for demanding automotive electronic applications, these miniature power inductors deliver reliable performance across a wide frequency range and high transient current spikes.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: MPIA4040R4-2R2-R\u003c\/li\u003e\n \u003cli\u003eManufacturer: Eaton Bussmann Electrical\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: Korea (KR)\u003c\/li\u003e\n \u003cli\u003ePackage Type: Reel\u003c\/li\u003e\n \u003cli\u003eUOM: Each (EA)\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003eRoHS Compliant: Yes\u003c\/li\u003e\n \u003cli\u003eHalogen Free \u0026amp; Lead-Free\u003c\/li\u003e\n \u003cli\u003eMagnetically Shielded Design\u003c\/li\u003e\n \u003cli\u003eSuitable for high transient inrush current handling\u003c\/li\u003e\n \u003cli\u003eFrequency Range: 20kHz to 10MHz\u003c\/li\u003e\n \u003cli\u003eInductance Range: 0.09µH to 22µH\u003c\/li\u003e\n \u003cli\u003eCurrent Range: 1.1A to 32.0A\u003c\/li\u003e\n \u003cli\u003eCompact footprint: 4.7 x 4.31 mm\u003c\/li\u003e\n \u003cli\u003eAvailable Heights: 1.2mm, 1.5mm, 1.85mm, 2.0mm\u003c\/li\u003e\n \u003cli\u003eRugged construction for automotive environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eBody Electronics\u003c\/li\u003e\n \u003cli\u003eCentral Body Control Module\u003c\/li\u003e\n \u003cli\u003eVehicle Access Control Systems\u003c\/li\u003e\n \u003cli\u003eHeadlamps, Tail Lamps, Interior Lighting\u003c\/li\u003e\n \u003cli\u003eDoor Control Systems\u003c\/li\u003e\n \u003cli\u003eAdvanced Driver Assistance Systems (ADAS)\u003c\/li\u003e\n \u003cli\u003eRadar Systems (77GHz)\u003c\/li\u003e\n \u003cli\u003eAutomatic Parking and Collision Avoidance\u003c\/li\u003e\n \u003cli\u003eIn-Vehicle Infotainment and Navigation\u003c\/li\u003e\n \u003cli\u003eActive Noise Cancellation\u003c\/li\u003e\n \u003cli\u003eChassis and Safety Electronics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003cth\u003eOCL ± 20% (µH)\u003c\/th\u003e\n \u003cth\u003ePart Marking\u003c\/th\u003e\n \u003cth\u003eI² rms (A)\u003c\/th\u003e\n \u003cth\u003eI sat @ 25°C (A)\u003c\/th\u003e\n \u003cth\u003eDCR (mΩ) ± 20%\u003c\/th\u003e\n \u003cth\u003eK-factor\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMPIA4040R4-R22-R\u003c\/td\u003e\n \u003ctd\u003e0.22\u003c\/td\u003e\n \u003ctd\u003eA\u003c\/td\u003e\n \u003ctd\u003e10.1\u003c\/td\u003e\n \u003ctd\u003e15.0\u003c\/td\u003e\n \u003ctd\u003e5.3\u003c\/td\u003e\n \u003ctd\u003e2405\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMPIA4040R4-R33-R\u003c\/td\u003e\n \u003ctd\u003e0.33\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e9.50\u003c\/td\u003e\n \u003ctd\u003e12.8\u003c\/td\u003e\n \u003ctd\u003e6.0\u003c\/td\u003e\n \u003ctd\u003e1870\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMPIA4040R4-R47-R\u003c\/td\u003e\n \u003ctd\u003e0.45\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e8.10\u003c\/td\u003e\n \u003ctd\u003e11.5\u003c\/td\u003e\n \u003ctd\u003e8.2\u003c\/td\u003e\n \u003ctd\u003e1530\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMPIA4040R4-1R0-R\u003c\/td\u003e\n \u003ctd\u003e1.0\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e5.70\u003c\/td\u003e\n \u003ctd\u003e8.20\u003c\/td\u003e\n \u003ctd\u003e17.0\u003c\/td\u003e\n \u003ctd\u003e990\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMPIA4040R4-1R5-R\u003c\/td\u003e\n \u003ctd\u003e1.5\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e4.90\u003c\/td\u003e\n \u003ctd\u003e6.90\u003c\/td\u003e\n \u003ctd\u003e23.0\u003c\/td\u003e\n \u003ctd\u003e802\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMPIA4040R4-2R2-R\u003c\/td\u003e\n \u003ctd\u003e2.2\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e3.90\u003c\/td\u003e\n \u003ctd\u003e5.70\u003c\/td\u003e\n \u003ctd\u003e35.0\u003c\/td\u003e\n \u003ctd\u003e673\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eEnvironmental \u0026amp; Mechanical Data\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eStorage \u0026amp; Operating Temperature Range: -55°C to +125°C\u003c\/li\u003e\n \u003cli\u003eSolder Reflow Temperature: J-STD-020D compliant\u003c\/li\u003e\n \u003cli\u003eDimensions: 4.7 x 4.31 mm footprint with heights options from 1.2mm to 2.0mm\u003c\/li\u003e\n \u003cli\u003eSupplied in tape and reel packaging: 3000 parts per reel (MPIA4040R4 series)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDatasheet \u0026amp; Additional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed specifications and application guidance, please refer to the \u003ca href=\"https:\/\/www.eaton.com\/content\/dam\/eaton\/products\/electronic-components\/resources\/data-sheet\/eaton-mpia4040-automotive-miniature%20power-inductors-data-sheet.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eNote: Transient pulse not to exceed 1 millisecond. Maximum operating frequency less than 10MHz; consult factory for specific applications.\u003c\/p\u003e\n\n\u003cp\u003eFor more details, please search the internet using the part number: MPIA4040R4-2R2-R.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T00:21:47+05:30","created_at":"2025-08-16T00:21:47+05:30","vendor":"Waldom Electonics","type":"Inductors, Chokes \u0026 Coils","tags":["7A","Chokes","Coils","EATON-BUS","IMPORT_CSV","IMPORT_PT2","Inductor","PAD","Power","Smd","WLDM"],"price":49893,"price_min":49893,"price_max":49893,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50625520206141,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"MPIA4040R4-2R2-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"MPIA4040R4-2R2-R","public_title":null,"options":["Default Title"],"price":49893,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"MPIA4040R4-2R2-R","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/MPIA4040R4-2R2-R_55940024_13780efb.jpg?v=1755283910"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/MPIA4040R4-2R2-R_55940024_13780efb.jpg?v=1755283910","options":["Title"],"media":[{"alt":null,"id":45858633580861,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/MPIA4040R4-2R2-R_55940024_13780efb.jpg?v=1755283910"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/MPIA4040R4-2R2-R_55940024_13780efb.jpg?v=1755283910","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eFixed Inductors 2.2µH 5.7A MPIA4040 Series\u003c\/h3\u003e\n\n\u003cp\u003eIntroducing the MPIA4040 series of automotive-grade high current, high frequency surface-mount power inductors manufactured by Eaton Bussmann Electrical. Designed for demanding automotive electronic applications, these miniature power inductors deliver reliable performance across a wide frequency range and high transient current spikes.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: MPIA4040R4-2R2-R\u003c\/li\u003e\n \u003cli\u003eManufacturer: Eaton Bussmann Electrical\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: Korea (KR)\u003c\/li\u003e\n \u003cli\u003ePackage Type: Reel\u003c\/li\u003e\n \u003cli\u003eUOM: Each (EA)\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003eRoHS Compliant: Yes\u003c\/li\u003e\n \u003cli\u003eHalogen Free \u0026amp; Lead-Free\u003c\/li\u003e\n \u003cli\u003eMagnetically Shielded Design\u003c\/li\u003e\n \u003cli\u003eSuitable for high transient inrush current handling\u003c\/li\u003e\n \u003cli\u003eFrequency Range: 20kHz to 10MHz\u003c\/li\u003e\n \u003cli\u003eInductance Range: 0.09µH to 22µH\u003c\/li\u003e\n \u003cli\u003eCurrent Range: 1.1A to 32.0A\u003c\/li\u003e\n \u003cli\u003eCompact footprint: 4.7 x 4.31 mm\u003c\/li\u003e\n \u003cli\u003eAvailable Heights: 1.2mm, 1.5mm, 1.85mm, 2.0mm\u003c\/li\u003e\n \u003cli\u003eRugged construction for automotive environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eBody Electronics\u003c\/li\u003e\n \u003cli\u003eCentral Body Control Module\u003c\/li\u003e\n \u003cli\u003eVehicle Access Control Systems\u003c\/li\u003e\n \u003cli\u003eHeadlamps, Tail Lamps, Interior Lighting\u003c\/li\u003e\n \u003cli\u003eDoor Control Systems\u003c\/li\u003e\n \u003cli\u003eAdvanced Driver Assistance Systems (ADAS)\u003c\/li\u003e\n \u003cli\u003eRadar Systems (77GHz)\u003c\/li\u003e\n \u003cli\u003eAutomatic Parking and Collision Avoidance\u003c\/li\u003e\n \u003cli\u003eIn-Vehicle Infotainment and Navigation\u003c\/li\u003e\n \u003cli\u003eActive Noise Cancellation\u003c\/li\u003e\n \u003cli\u003eChassis and Safety Electronics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003cth\u003eOCL ± 20% (µH)\u003c\/th\u003e\n \u003cth\u003ePart Marking\u003c\/th\u003e\n \u003cth\u003eI² rms (A)\u003c\/th\u003e\n \u003cth\u003eI sat @ 25°C (A)\u003c\/th\u003e\n \u003cth\u003eDCR (mΩ) ± 20%\u003c\/th\u003e\n \u003cth\u003eK-factor\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMPIA4040R4-R22-R\u003c\/td\u003e\n \u003ctd\u003e0.22\u003c\/td\u003e\n \u003ctd\u003eA\u003c\/td\u003e\n \u003ctd\u003e10.1\u003c\/td\u003e\n \u003ctd\u003e15.0\u003c\/td\u003e\n \u003ctd\u003e5.3\u003c\/td\u003e\n \u003ctd\u003e2405\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMPIA4040R4-R33-R\u003c\/td\u003e\n \u003ctd\u003e0.33\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e9.50\u003c\/td\u003e\n \u003ctd\u003e12.8\u003c\/td\u003e\n \u003ctd\u003e6.0\u003c\/td\u003e\n \u003ctd\u003e1870\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMPIA4040R4-R47-R\u003c\/td\u003e\n \u003ctd\u003e0.45\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e8.10\u003c\/td\u003e\n \u003ctd\u003e11.5\u003c\/td\u003e\n \u003ctd\u003e8.2\u003c\/td\u003e\n \u003ctd\u003e1530\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMPIA4040R4-1R0-R\u003c\/td\u003e\n \u003ctd\u003e1.0\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e5.70\u003c\/td\u003e\n \u003ctd\u003e8.20\u003c\/td\u003e\n \u003ctd\u003e17.0\u003c\/td\u003e\n \u003ctd\u003e990\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMPIA4040R4-1R5-R\u003c\/td\u003e\n \u003ctd\u003e1.5\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e4.90\u003c\/td\u003e\n \u003ctd\u003e6.90\u003c\/td\u003e\n \u003ctd\u003e23.0\u003c\/td\u003e\n \u003ctd\u003e802\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMPIA4040R4-2R2-R\u003c\/td\u003e\n \u003ctd\u003e2.2\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e3.90\u003c\/td\u003e\n \u003ctd\u003e5.70\u003c\/td\u003e\n \u003ctd\u003e35.0\u003c\/td\u003e\n \u003ctd\u003e673\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eEnvironmental \u0026amp; Mechanical Data\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eStorage \u0026amp; Operating Temperature Range: -55°C to +125°C\u003c\/li\u003e\n \u003cli\u003eSolder Reflow Temperature: J-STD-020D compliant\u003c\/li\u003e\n \u003cli\u003eDimensions: 4.7 x 4.31 mm footprint with heights options from 1.2mm to 2.0mm\u003c\/li\u003e\n \u003cli\u003eSupplied in tape and reel packaging: 3000 parts per reel (MPIA4040R4 series)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDatasheet \u0026amp; Additional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed specifications and application guidance, please refer to the \u003ca href=\"https:\/\/www.eaton.com\/content\/dam\/eaton\/products\/electronic-components\/resources\/data-sheet\/eaton-mpia4040-automotive-miniature%20power-inductors-data-sheet.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eNote: Transient pulse not to exceed 1 millisecond. Maximum operating frequency less than 10MHz; consult factory for specific applications.\u003c\/p\u003e\n\n\u003cp\u003eFor more details, please search the internet using the part number: MPIA4040R4-2R2-R.\u003c\/p\u003e\u003cbr\u003e"}