MPIA4040R3-1R5-R Equivalent & Substitute Parts

Part Overview

The MPIA4040R3-1R5-R is a 1.5 µH shielded molded inductor manufactured by Eaton Electronics Division, rated for 3.8 A continuous current with 36 mOhm DC resistance. This component is classified as obsolete, necessitating identification of equivalent substitute parts for ongoing design support and procurement continuity. The part features a metal composite core, nonstandard package configuration, and AEC-Q200 compliance suitable for automotive and industrial applications operating across -55°C to 125°C.

Substiute Parts

MPIA4040R3-1R5-R

Eaton - Electronics DivisionIn Stock: 1022MPIA4040R3-1R5-R Datasheet

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MPIA4020V2-1R5-R

Eaton - Electronics DivisionIn Stock: 2395MPIA4020V2-1R5-R Datasheet

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IHLP1616ABER1R5M11

Vishay DaleIn Stock: 1952IHLP1616ABER1R5M11 Datasheet

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ETQ-P3M1R5KVP

Panasonic Electronic ComponentsIn Stock: 3902ETQ-P3M1R5KVP Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the MPIA4040R3-1R5-R is determined by strict equivalence across the following critical parameters:

Primary Matching Criteria:

• Inductance value: 1.5 µH at 100 kHz test frequency
• Inductance tolerance: ±20%
• Shielding: Shielded configuration
• Mounting type: Surface Mount
• Operating temperature range: -55°C to 125°C minimum
• Moisture sensitivity: MSL 1 (Unlimited)

Secondary Compatibility Factors:

• Current rating: Substitute must support minimum 3.8 A continuous current
• DC resistance: Lower DCR values indicate improved performance characteristics
• Saturation current: Substitute must support minimum 8.2 A saturation threshold
• Package footprint: Physical dimensions must accommodate PCB layout constraints

Three substitute parts meet the primary matching criteria with variations in secondary performance characteristics. Each substitute maintains the 1.5 µH inductance specification and operates within the required temperature range. Differences exist in current handling capacity, DC resistance, and physical dimensions.

Parameter Comparison

Engineering Selection Recommendations

MPIA4020V2-1R5-R (Eaton Electronics Division)

This substitute is the primary equivalent from the same manufacturer. It maintains identical inductance, tolerance, and operating temperature specifications. The MPIA4020V2-1R5-R offers superior current handling at 5.0 A continuous rating with lower DC resistance (30 mOhm maximum), providing enhanced thermal performance. Product status is active with AEC-Q200 compliance and RoHS certification. Physical dimensions are slightly larger (4.95 × 4.20 mm vs. 4.45 × 4.06 mm), requiring PCB layout verification. Saturation current is reduced to 6.0 A, which remains above the main part specification. This part is recommended for applications where improved current capacity and reduced losses are beneficial.

ETQ-P3M1R5KVP (Panasonic Electronic Components)

This substitute provides the highest current rating at 8.1 A with the lowest DC resistance at 13.2 mOhm maximum, delivering superior performance in high-current applications. The part features drum core wirewound construction with extended operating temperature range to 155°C. AEC-Q200 compliance and ROHS3 certification are provided. Physical dimensions are larger (5.50 × 5.00 mm, 3.00 mm height), requiring significant PCB layout accommodation. This part is suitable for applications requiring maximum current capacity and thermal efficiency.

IHLP1616ABER1R5M11 (Vishay Dale)

This substitute maintains identical physical footprint (4.45 × 4.06 mm) with the lowest seated height (1.20 mm), offering space-constrained PCB applications. However, current rating is reduced to 3.25 A with saturation current matching this value, and DC resistance is elevated to 75 mOhm maximum. ROHS3 compliance and REACH unaffected status are provided. This part is suitable only for applications where the 3.25 A current rating is sufficient and PCB height constraints are critical.

Frequently Asked Questions (FAQ)

Q: Can MPIA4020V2-1R5-R directly replace MPIA4040R3-1R5-R without circuit modification?

A: The MPIA4020V2-1R5-R maintains identical inductance (1.5 µH), tolerance (±20%), and operating temperature range (-55°C to 125°C). The higher current rating (5.0 A vs. 3.8 A) and lower DC resistance (30 mOhm vs. 36 mOhm) provide improved performance. Physical dimensions are slightly larger, requiring PCB layout verification. No circuit modification is required if PCB space accommodates the larger footprint.

Q: What is the impact of DC resistance differences among substitute parts?

A: DC resistance directly affects power dissipation and thermal performance. The main part specifies 36 mOhm. MPIA4020V2-1R5-R (30 mOhm) reduces losses by approximately 17%. ETQ-P3M1R5KVP (13.2 mOhm) reduces losses by approximately 63%. IHLP1616ABER1R5M11 (75 mOhm) increases losses by approximately 108%. Lower DC resistance is advantageous in high-current applications; higher DC resistance may require thermal management review.

Q: Are all substitute parts AEC-Q200 qualified?

A: MPIA4020V2-1R5-R and ETQ-P3M1R5KVP carry AEC-Q200 compliance. IHLP1616ABER1R5M11 does not list AEC-Q200 compliance. For automotive applications requiring AEC-Q200 qualification, MPIA4020V2-1R5-R or ETQ-P3M1R5KVP are appropriate selections.

Q: What are the physical dimension constraints for each substitute?

A: Main part: 4.45 × 4.06 mm, 1.80 mm height. MPIA4020V2-1R5-R: 4.95 × 4.20 mm, 2.00 mm height (larger footprint, minimal height increase). IHLP1616ABER1R5M11: 4.45 × 4.06 mm, 1.20 mm height (identical footprint, reduced height). ETQ-P3M1R5KVP: 5.50 × 5.00 mm, 3.00 mm height (significantly larger). PCB layout must accommodate selected substitute dimensions.

Q: Which substitute is recommended for space-constrained applications?

A: IHLP1616ABER1R5M11 provides the smallest seated height (1.20 mm) with identical footprint dimensions to the main part. However, current rating is reduced to 3.25 A. This part is suitable only if the application current requirement does not exceed 3.25 A continuous.

Q: What is the saturation current significance in inductor selection?

A: Saturation current (Isat) defines the maximum current before inductance degrades significantly. Main part Isat is 8.2 A. MPIA4020V2-1R5-R provides 6.0 A Isat (below main part specification). ETQ-P3M1R5KVP provides 12.0 A Isat (exceeds main part specification). IHLP1616ABER1R5M11 provides 3.25 A Isat (significantly below main part specification). Applications with transient current spikes must verify saturation margin with selected substitute.

Q: Are all substitute parts RoHS compliant?

A: MPIA4020V2-1R5-R is RoHS Compliant. ETQ-P3M1R5KVP and IHLP1616ABER1R5M11 are ROHS3 Compliant. All parts meet current RoHS requirements. REACH status is unaffected for ETQ-P3M1R5KVP and IHLP1616ABER1R5M11.

Q: What is the difference between molded and drum core wirewound construction?

A: Main part and MPIA4020V2-1R5-R use molded metal composite core construction. ETQ-P3M1R5KVP uses drum core wirewound construction. Both achieve shielding and 1.5 µH inductance. Wirewound construction typically provides lower DC resistance and higher current capacity. IHLP1616ABER1R5M11 core material is not specified in available data.

Q: Can ETQ-P3M1R5KVP be used in applications with maximum operating temperature of 125°C?

A: Yes. ETQ-P3M1R5KVP operates across -55°C to 155°C, exceeding the 125°C requirement. The extended temperature range provides additional thermal margin for applications approaching maximum operating temperature limits.