MPIA4040R2-2R2-R Equivalent & Substitute Parts

Part Overview

The MPIA4040R2-2R2-R is a 2.2 µH shielded molded inductor manufactured by Eaton - Electronics Division, rated for 3.2 A continuous current with 58mOhm DC resistance. This component is classified as obsolete, necessitating identification of equivalent substitute parts for ongoing design support and procurement continuity. The part operates across the industrial temperature range of -55°C to 125°C and meets AEC-Q200 automotive qualification standards.

Substiute Parts

MPIA4040R2-2R2-R

Eaton - Electronics DivisionIn Stock: 1105MPIA4040R2-2R2-R Datasheet

Current PartRFQ

MPIA4015V2-2R2-R

Eaton - Electronics DivisionIn Stock: 818MPIA4015V2-2R2-R Datasheet

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IHLP1616ABER2R2M11

Vishay DaleIn Stock: 35447IHLP1616ABER2R2M11 Datasheet

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B82464G4222M000

EPCOS - TDK ElectronicsIn Stock: 11673B82464G4222M000 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the MPIA4040R2-2R2-R is determined by the following critical parameters:

Primary Matching Criteria:

• Inductance value: 2.2 µH (±20% tolerance)
• Shielding requirement: Shielded construction
• Mounting type: Surface Mount
• Operating temperature range: -55°C to 125°C minimum
• Inductance test frequency: 100 kHz

Secondary Compatibility Factors:

• Current rating: Substitute must support the application's maximum continuous current requirement
• DC resistance: Lower DCR values indicate improved efficiency but higher saturation current capability
• Saturation current: Must exceed the peak current demands of the circuit
• Moisture sensitivity: MSL 1 rating ensures compatibility with standard handling and storage

Three substitute parts are identified based on these parameters. Each maintains the core inductance specification and shielded surface-mount configuration while offering variations in current handling capability, DC resistance, and core material composition.

Parameter Comparison

Engineering Selection Recommendations

MPIA4015V2-2R2-R (Eaton - Electronics Division)

This substitute is an active product from the same manufacturer (Eaton - Electronics Division) within the MPIA series family. It maintains identical inductance, tolerance, and operating temperature specifications. The part is RoHS compliant and carries AEC-Q200 qualification. The reduced current rating (2.9 A versus 3.2 A) and increased DCR (78 mOhm versus 58 mOhm) require verification that the application's maximum continuous current does not exceed 2.9 A. The lower saturation current (4.5 A) also necessitates confirmation that peak transient currents remain below this threshold. This option provides the closest functional equivalence with active product status and manufacturer continuity.

IHLP1616ABER2R2M11 (Vishay Dale)

This substitute maintains the 2.2 µH inductance and shielded surface-mount configuration with ROHS3 compliance and REACH unaffected status. The current rating (2.75 A) and saturation current (3 A) are lower than the main part, requiring application verification. The significantly higher DCR (83.5 mOhm) results in increased power dissipation. The part offers the lowest profile height (1.20 mm seated versus 1.50 mm), which may provide mechanical advantages in space-constrained designs. This option is suitable only for applications with current requirements below 2.75 A.

B82464G4222M000 (EPCOS - TDK Electronics)

This substitute employs a drum core wirewound construction with ferrite core material, differing from the molded metal composite design of the main part. It provides the highest current rating (6.5 A) and saturation current (7 A), with the lowest DCR (10 mOhm), resulting in superior thermal performance. The extended operating temperature range (-55°C to 150°C) and AEC-Q200 qualification support demanding applications. The significantly larger package footprint (10.40 mm × 10.40 mm × 4.80 mm) requires PCB layout compatibility verification. This option is optimal for high-current applications where thermal efficiency and current headroom are critical design factors.

Frequently Asked Questions (FAQ)

Q: Can MPIA4015V2-2R2-R directly replace MPIA4040R2-2R2-R in all applications?

A: Direct replacement is possible only if the application's maximum continuous current does not exceed 2.9 A and peak saturation current remains below 4.5 A. The increased DCR (78 mOhm versus 58 mOhm) will result in higher power dissipation. Both parts share identical inductance, tolerance, temperature range, and AEC-Q200 qualification, supporting functional equivalence within these current constraints.

Q: What are the implications of the different core materials between the molded metal composite and drum core wirewound designs?

A: The MPIA4040R2-2R2-R and MPIA4015V2-2R2-R use molded metal composite cores, while B82464G4222M000 employs a ferrite drum core wirewound construction. This material difference affects DC resistance, saturation characteristics, and thermal behavior. The wirewound design delivers significantly lower DCR (10 mOhm) and higher current capacity (6.5 A), but requires verification of electromagnetic compatibility and thermal management in the target application.

Q: Is the B82464G4222M000 suitable for applications requiring the original 3.2 A rating?

A: Yes. The B82464G4222M000 exceeds the original 3.2 A continuous current requirement with a 6.5 A rating and 7 A saturation current. However, the substantially larger package dimensions (10.40 mm × 10.40 mm × 4.80 mm versus 4.45 mm × 4.06 mm × 1.50 mm) require PCB layout compatibility assessment. The lower DCR provides improved efficiency and reduced thermal dissipation compared to the original part.

Q: What compliance and certification considerations apply to these substitutes?

A: MPIA4015V2-2R2-R and B82464G4222M000 are both AEC-Q200 qualified, matching the original part's automotive qualification. All three substitutes carry MSL 1 (Unlimited) moisture sensitivity ratings. MPIA4015V2-2R2-R is RoHS compliant, while IHLP1616ABER2R2M11 and B82464G4222M000 are ROHS3 compliant with REACH unaffected status. These certifications support use in regulated industries and automotive applications.

Q: How do the self-resonant frequency values affect substitution decisions?

A: The main part does not specify self-resonant frequency. The substitutes exhibit higher self-resonant frequencies (42 MHz, 49 MHz, and 72 MHz respectively), indicating improved high-frequency performance. For applications operating near or above the original part's unspecified resonant frequency, the substitutes' higher values may provide improved stability and reduced impedance variation at elevated frequencies.

Q: Are there current derating considerations when selecting between these substitutes?

A: Yes. The MPIA4015V2-2R2-R (2.9 A) and IHLP1616ABER2R2M11 (2.75 A) both operate below the original 3.2 A rating, requiring confirmation that the application's maximum continuous current does not exceed these limits. The B82464G4222M000 (6.5 A) provides substantial current headroom. Additionally, the increased DCR in MPIA4015V2-2R2-R and IHLP1616ABER2R2M11 generates higher I²R losses, necessitating thermal analysis for power-sensitive applications.