MPIA4040R3-2R2-R Equivalent & Substitute Parts

Part Overview

The MPIA4040R3-2R2-R is a 2.2 µH shielded molded inductor manufactured by Eaton - Electronics Division, rated for 3.4 A continuous current with 48mOhm DC resistance. This component is classified as obsolete, necessitating identification of equivalent substitute parts for ongoing design support and procurement continuity. The part features metal composite core construction, AEC-Q200 rating, and operates across the -55°C to 125°C temperature range.

Substiute Parts

MPIA4040R3-2R2-R

Eaton - Electronics DivisionIn Stock: 872MPIA4040R3-2R2-R Datasheet

Current PartRFQ

MPIA4020V2-2R2-R

Eaton - Electronics DivisionIn Stock: 7436MPIA4020V2-2R2-R Datasheet

SimilarRFQ

IHLP1616ABER2R2M11

Vishay DaleIn Stock: 35447IHLP1616ABER2R2M11 Datasheet

DirectRFQ

ETQ-P3M2R2KVP

Panasonic Electronic ComponentsIn Stock: 6427ETQ-P3M2R2KVP Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MPIA4040R3-2R2-R are identified based on the following critical parameters that must align for functional equivalence:

Primary Matching Criteria:

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

Secondary Compatibility Parameters:

• Current rating: 3.4 A or higher
• DC resistance: 48 mOhm or lower (lower DCR preferred for reduced losses)
• Saturation current: 7.9 A or higher
• Core material: Metal composite or equivalent shielded construction

The three substitute parts identified meet the primary matching criteria. Variations in package dimensions, saturation current, and DC resistance are noted but do not preclude functional substitution when circuit design margins accommodate these differences.

Parameter Comparison

Engineering Selection Recommendations

MPIA4020V2-2R2-R (Eaton - Electronics Division)

This part represents the primary substitute option. It maintains identical inductance, tolerance, and DC resistance specifications while offering improved current rating (3.8 A vs. 3.4 A). The part is active in production with RoHS compliance certification. The MPIA4020V2 series shares the same manufacturer lineage as the obsolete MPIA4040R3, ensuring design continuity. Saturation current is lower (5.5 A vs. 7.9 A), requiring verification that circuit peak current demands remain within acceptable margins.

ETQ-P3M2R2KVP (Panasonic Electronic Components)

This substitute offers superior current rating (6.3 A) and saturation current (10.1 A) with significantly lower DC resistance (22 mOhm vs. 48 mOhm). The extended operating temperature range (-55°C to 155°C) provides additional thermal margin. AEC-Q200 certification and ROHS3 compliance are provided. The drum core wirewound construction differs from the molded type of the original part. Physical dimensions are larger (5.50mm x 5.00mm vs. 4.45mm x 4.06mm), requiring PCB layout verification.

IHLP1616ABER2R2M11 (Vishay Dale)

This substitute maintains identical physical dimensions and shielded construction. However, the current rating (2.75 A) falls below the original specification (3.4 A), and DC resistance is elevated (83.5 mOhm vs. 48 mOhm). This option is suitable only for applications where current demands do not exceed 2.75 A and where increased losses from higher DCR are acceptable. ROHS3 compliance and REACH unaffected status are confirmed.

Frequently Asked Questions (FAQ)

Q: Can MPIA4020V2-2R2-R directly replace MPIA4040R3-2R2-R without circuit modification?

A: The MPIA4020V2-2R2-R maintains identical inductance (2.2 µH), tolerance (±20%), DC resistance (48 mOhm), and operating temperature range. The higher current rating (3.8 A vs. 3.4 A) provides additional margin. Direct substitution is supported provided circuit peak current does not exceed 5.5 A saturation current. Physical package dimensions differ slightly (4.95mm x 4.20mm vs. 4.45mm x 4.06mm), requiring PCB footprint verification.

Q: What are the implications of using ETQ-P3M2R2KVP with lower DC resistance?

A: The ETQ-P3M2R2KVP exhibits 22 mOhm DC resistance compared to 48 mOhm in the original part. This reduction decreases resistive losses and heat generation, improving efficiency. The lower resistance does not affect inductance value or tolerance. Circuit performance improves in applications sensitive to inductor losses. Physical dimensions are larger, requiring PCB layout accommodation.

Q: Is IHLP1616ABER2R2M11 suitable for all applications using MPIA4040R3-2R2-R?

A: The IHLP1616ABER2R2M11 is suitable only for applications where continuous current does not exceed 2.75 A and where increased DC resistance (83.5 mOhm vs. 48 mOhm) is acceptable. The lower saturation current (3.0 A) restricts peak current handling. Applications requiring the full 3.4 A rating or lower losses should use alternative substitutes.

Q: How do package dimension differences affect PCB design?

A: The MPIA4040R3-2R2-R uses a nonstandard package (4.45mm x 4.06mm, 1.80mm height). MPIA4020V2-2R2-R is slightly larger (4.95mm x 4.20mm, 2.00mm height). ETQ-P3M2R2KVP is significantly larger (5.50mm x 5.00mm, 3.00mm height). PCB footprint, trace routing, and thermal management must be re-evaluated for each substitute. Standard 2-SMD J-Lead packages (MPIA4020V2 and ETQ-P3M2R2KVP) may offer improved availability and manufacturing compatibility compared to nonstandard packages.

Q: What compliance certifications should be verified for my application?

A: The original MPIA4040R3-2R2-R carries AEC-Q200 automotive qualification. MPIA4020V2-2R2-R and ETQ-P3M2R2KVP both maintain AEC-Q200 certification. All three substitutes are RoHS compliant. For automotive or high-reliability applications, AEC-Q200 certification is mandatory. IHLP1616ABER2R2M11 does not list AEC-Q200 rating and should be avoided for automotive designs.

Q: Can saturation current differences impact circuit performance?

A: Saturation current defines the maximum current before inductor core saturation causes inductance collapse. The original part saturates at 7.9 A. MPIA4020V2-2R2-R saturates at 5.5 A, ETQ-P3M2R2KVP at 10.1 A, and IHLP1616ABER2R2M11 at 3.0 A. Circuit peak current must remain below saturation current. Applications with peak currents between 5.5 A and 7.9 A require ETQ-P3M2R2KVP. Applications with peak currents below 3.0 A can use IHLP1616ABER2R2M11.