MPIA4040R4-1R0-R Equivalent & Substitute Parts

Part Overview

The MPIA4040R4-1R0-R is a 1 µH shielded molded inductor manufactured by Eaton - Electronics Division, rated for 5.7 A continuous current with 17mOhm DC resistance. This component is classified as obsolete, necessitating identification of active equivalent parts for ongoing production and design requirements. The part operates across the industrial temperature range of -55°C to 125°C and meets AEC-Q200 reliability standards. Due to its obsolete status, equivalent substitutes from active product lines are required to maintain supply chain continuity and ensure design compatibility.

Substiute Parts

MPIA4040R4-1R0-R

Eaton - Electronics DivisionIn Stock: 966MPIA4040R4-1R0-R Datasheet

Current PartRFQ

MPIA4020V2-1R0-R

Eaton - Electronics DivisionIn Stock: 9948MPIA4020V2-1R0-R Datasheet

SimilarRFQ

IHLP1616ABER1R0M01

Vishay DaleIn Stock: 9009IHLP1616ABER1R0M01 Datasheet

DirectRFQ

B82464G4102M000

EPCOS - TDK ElectronicsIn Stock: 2846B82464G4102M000 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MPIA4040R4-1R0-R is determined by the following critical parameters:

Primary Substitution Criteria:

• Inductance value: 1 µH (fixed requirement)
• Inductance tolerance: ±20% (fixed requirement)
• Shielding: Shielded (electromagnetic containment requirement)
• Mounting type: Surface Mount (PCB assembly compatibility)
• Operating temperature range: -55°C ~ 125°C minimum (thermal envelope)
• Inductance test frequency: 100 kHz (measurement standard)

Secondary Compatibility Parameters:

• Current rating: Minimum 5.7 A (functional requirement)
• DC resistance: Maximum 17mOhm (thermal and efficiency consideration)
• Current saturation (Isat): Minimum 8.2 A (headroom requirement)
• Package dimensions: Footprint compatibility within 4.45mm x 4.06mm nominal

The three substitute parts listed meet the primary criteria with variations in secondary parameters that reflect different design trade-offs in current handling, DC resistance, and physical dimensions.

Parameter Comparison

Engineering Selection Recommendations

MPIA4020V2-1R0-R (Eaton - Electronics Division)

This substitute is the primary equivalent from the same manufacturer. It maintains active product status, AEC-Q200 compliance, and identical inductance and tolerance specifications. The current rating of 6.5 A exceeds the original 5.7 A requirement. DC resistance increases to 24mOhm maximum, representing a 41% increase from the original 17mOhm specification. Physical dimensions are slightly larger (4.95mm x 4.20mm versus 4.45mm x 4.06mm), requiring PCB layout verification. RoHS compliance status is confirmed. This part is recommended for designs where the increased DC resistance is acceptable and PCB space permits the slightly larger footprint.

IHLP1616ABER1R0M01 (Vishay Dale)

This substitute maintains identical physical dimensions (4.45mm x 4.06mm) and offers a lower profile height of 1.20mm versus 2.00mm. However, the current rating of 4 A falls below the original 5.7 A specification, and DC resistance of 52.5mOhm maximum represents a 209% increase. This part is suitable only for applications where current requirements can be reduced or where the lower profile height is a critical design constraint. ROHS3 compliance and REACH unaffected status are confirmed.

B82464G4102M000 (EPCOS - TDK Electronics)

This substitute offers the lowest DC resistance at 7mOhm maximum and the highest current rating at 7.5 A, with saturation current of 10A. It features ferrite core construction and drum core wirewound type, differing from the molded metal composite design of the original. Physical dimensions are significantly larger (10.40mm x 10.40mm) with height of 4.80mm, requiring substantial PCB layout changes. Operating temperature extends to 150°C. AEC-Q200 compliance and ROHS3 compliance are confirmed. This part is recommended for high-current applications where the larger footprint is acceptable and superior thermal performance is required.

Frequently Asked Questions (FAQ)

Q: Can MPIA4020V2-1R0-R directly replace MPIA4040R4-1R0-R without circuit modification?

A: The MPIA4020V2-1R0-R maintains identical inductance (1 µH), tolerance (±20%), and operating temperature range. However, DC resistance increases from 17mOhm to 24mOhm maximum. Circuit performance depends on whether the additional 7mOhm resistance affects thermal dissipation or signal integrity in the specific application. PCB layout must accommodate the slightly larger footprint (4.95mm x 4.20mm versus 4.45mm x 4.06mm).

Q: Why does IHLP1616ABER1R0M01 have significantly higher DC resistance?

A: The IHLP1616ABER1R0M01 achieves a lower profile height (1.20mm) through different core material and construction methods. The 52.5mOhm DC resistance reflects this design trade-off. This part is suitable only for applications where current requirements are below 4 A or where profile height is the dominant design constraint.

Q: What are the key differences between molded and wirewound inductor types?

A: The original MPIA4040R4-1R0-R uses molded metal composite construction. The B82464G4102M000 substitute uses drum core wirewound ferrite construction. Wirewound designs typically offer lower DC resistance and higher current ratings but occupy larger physical space. The B82464G4102M000 footprint (10.40mm x 10.40mm) is substantially larger than the original (4.45mm x 4.06mm).

Q: Are all substitute parts AEC-Q200 qualified?

A: MPIA4020V2-1R0-R and B82464G4102M000 carry AEC-Q200 ratings. IHLP1616ABER1R0M01 does not specify AEC-Q200 compliance. For automotive or high-reliability applications requiring AEC-Q200 qualification, MPIA4020V2-1R0-R or B82464G4102M000 are appropriate selections.

Q: What is the impact of increased DC resistance on circuit performance?

A: Increased DC resistance generates additional heat dissipation (P = I²R). For the MPIA4020V2-1R0-R with 24mOhm at 5.7 A, dissipation is approximately 0.78 W compared to 0.55 W for the original 17mOhm specification. Thermal management and PCB copper area must be evaluated for the specific application.

Q: Can IHLP1616ABER1R0M01 be used in high-current applications?

A: No. The IHLP1616ABER1R0M01 current rating of 4 A is below the original 5.7 A specification. Use of this part in applications requiring 5.7 A or higher would result in saturation and performance degradation. This part is suitable only for reduced-current applications or where profile height is the critical design parameter.

Q: What packaging formats are available for these substitutes?

A: MPIA4020V2-1R0-R and B82464G4102M000 are supplied in Tape & Reel (TR) format. IHLP1616ABER1R0M01 is also supplied in Tape & Reel (TR) format. All parts are surface mount compatible with standard pick-and-place assembly equipment.