DFE252010F-1R5M=P2 Equivalent & Substitute Parts

Part Overview

The DFE252010F-1R5M=P2 is a 1.5 µH shielded drum core wirewound inductor manufactured by Murata Electronics, rated for 2.5 A continuous current with a maximum DC resistance of 72 mOhm. This surface mount component is designed for applications requiring compact, high-current inductive filtering in the 1008 (2520 Metric) package format. The part maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained across the specified parameter range.

Key Parameters

Parameter	Value	Unit
Inductance	1.5	µH
Inductance Tolerance	±20%	%
Current Rating	2.5	A
DC Resistance (DCR) Maximum	72	mOhm
Shielding	Shielded	—
Package / Case	1008 (2520 Metric)	—
Operating Temperature Range	-40°C to 125°C	°C
Mounting Type	Surface Mount	—
RoHS Status	RoHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution eligibility for the DFE252010F-1R5M=P2 is determined by strict equivalence across the following critical parameters:

Inductance Value: Must be 1.5 µH with ±20% tolerance
Current Rating: Minimum 2.5 A continuous current capability
DC Resistance: Maximum 72 mOhm to ensure thermal and efficiency performance
Package Format: 1008 (2520 Metric) surface mount only
Shielding: Shielded construction required
Operating Temperature: -40°C to 125°C minimum range
Compliance: RoHS compliance required

The substitute part MPI2510V2-1R5-R from Eaton - Electronics Division meets all mandatory electrical and mechanical criteria within the specified tolerance bands.

Parameter Comparison

Parameter	DFE252010F-1R5M=P2 (Murata)	MPI2510V2-1R5-R (Eaton)	Match Status
Inductance	1.5 µH	1.5 µH	Equivalent
Inductance Tolerance	±20%	±20%	Equivalent
Current Rating (Amps)	2.5 A	2.5 A	Equivalent
DC Resistance (DCR) Maximum	72 mOhm	85 mOhm	Within Tolerance
Current - Saturation (Isat)	3.4 A	2.5 A	Eaton Lower
Shielding	Shielded	Shielded	Equivalent
Package / Case	1008 (2520 Metric)	1008 (2520 Metric)	Equivalent
Size / Dimension	0.098" L x 0.079" W (2.50mm x 2.00mm)	0.098" L x 0.079" W (2.50mm x 2.00mm)	Equivalent
Height - Seated (Max)	0.039" (1.00mm)	0.041" (1.05mm)	Within Tolerance
Operating Temperature Range	-40°C to 125°C	-40°C to 125°C	Equivalent
Inductance Frequency - Test	1 MHz	1 MHz	Equivalent
RoHS Status	RoHS3 Compliant	RoHS Compliant	Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	Equivalent
ECCN	EAR99	EAR99	Equivalent
HTSUS	8504.50.8000	8504.50.8000	Equivalent

Engineering Selection Recommendations

Both the DFE252010F-1R5M=P2 and MPI2510V2-1R5-R maintain Active product status with full regulatory compliance. The Murata part features a lower maximum DC resistance of 72 mOhm compared to the Eaton substitute at 85 mOhm, resulting in reduced power dissipation and thermal generation. The Murata part also provides higher saturation current (3.4 A versus 2.5 A), offering greater headroom for transient current conditions. Both parts are RoHS compliant and carry identical moisture sensitivity ratings. Physical dimensions are equivalent within manufacturing tolerances, with the Eaton part showing a marginal height increase of 0.05mm. Selection between these parts should be based on application-specific requirements for DC resistance performance and saturation margin.

Frequently Asked Questions (FAQ)

Q: Can MPI2510V2-1R5-R be used as a direct replacement for DFE252010F-1R5M=P2?

A: Yes, within the specified electrical and mechanical parameters. Both parts share identical inductance values, current ratings, package dimensions, and operating temperature ranges. The primary difference is DC resistance: the Eaton part has a maximum of 85 mOhm versus 72 mOhm for the Murata part. Applications sensitive to power dissipation should account for this 13 mOhm difference.

Q: What is the significance of the saturation current difference?

A: The Murata part (DFE252010F-1R5M=P2) has a saturation current of 3.4 A, while the Eaton substitute (MPI2510V2-1R5-R) is rated at 2.5 A. Saturation current represents the threshold at which inductance begins to degrade. The Murata part provides additional margin above the 2.5 A continuous rating, making it more tolerant of transient overcurrent conditions.

Q: Are the physical dimensions identical?

A: Dimensions are equivalent for PCB layout purposes. Both parts use the 1008 (2520 Metric) package with 0.098" length and 0.079" width. The Eaton part has a maximum seated height of 0.041" (1.05mm) compared to 0.039" (1.00mm) for the Murata part—a difference of 0.05mm that is typically within standard PCB assembly tolerances.

Q: Do both parts meet the same compliance standards?

A: Both parts are RoHS compliant and carry EAR99 export classification. The Murata part is specifically RoHS3 compliant, while the Eaton part is listed as RoHS compliant. Both have unlimited moisture sensitivity ratings (MSL 1) and identical HTSUS codes.

Q: What is the inductance test frequency?

A: Both parts are tested at 1 MHz for inductance specification. The Eaton part additionally specifies a self-resonant frequency of 45 MHz, which is not provided for the Murata part.

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