DFEH7030D-2R2M=P3 Equivalent & Substitute Parts

Part Overview

The DFEH7030D-2R2M=P3 is a 2.2 µH shielded inductor manufactured by Murata Electronics, rated for 7.1 A continuous current with a maximum DC resistance of 18mOhm. This surface mount component features an iron powder core and is housed in a nonstandard 7.00mm x 6.60mm package with a maximum seated height of 3.00mm.

The part carries a "Not For New Designs" status, indicating it has been superseded or is approaching end-of-life. Identifying qualified substitute components is necessary to ensure design continuity and maintain supply chain reliability for applications requiring equivalent electrical and mechanical performance.

Substiute Parts

DFEH7030D-2R2M=P3

Murata ElectronicsIn Stock: 1163DFEH7030D-2R2M=P3 Datasheet

Current PartRFQ

HCM1A0703V2-1R5-R

Eaton - Electronics DivisionIn Stock: 896HCM1A0703V2-1R5-R Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the DFEH7030D-2R2M=P3 is determined by the following critical parameters:

• Inductance Value: 2.2 µH (±20% tolerance allows 1.76 µH to 2.64 µH)
• Current Rating: Minimum 7.1 A continuous current capability
• DC Resistance: Maximum 18mOhm to maintain thermal and efficiency characteristics
• Core Material: Iron powder construction for equivalent magnetic properties
• Shielding: Shielded configuration to prevent electromagnetic interference
• Package Dimensions: 7.00mm x 6.60mm footprint with maximum 3.00mm height for PCB compatibility
• Mounting Type: Surface mount technology
• Operating Temperature: -40°C to 155°C minimum range
• Compliance: AEC-Q200 rating and ROHS3 compliance

The substitute part HCM1A0703V2-1R5-R from Eaton - Electronics Division meets these substitution criteria with equivalent mechanical packaging, shielding characteristics, and compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The HCM1A0703V2-1R5-R qualifies as a substitute based on the following engineering criteria:

Mechanical Compatibility: Both components share identical package footprint (7.00mm x 6.60mm) and seated height (3.00mm maximum), ensuring direct PCB layout compatibility without redesign.

Electrical Performance: The substitute part exceeds the minimum current rating (8.5 A vs. 7.1 A required) and saturation current (10 A vs. 9.2 A), providing operational margin. The lower DC resistance (11.5mOhm vs. 18mOhm maximum) results in reduced power dissipation and improved thermal characteristics.

Compliance & Ratings: Both components maintain AEC-Q200 automotive qualification, ROHS3 compliance, and MSL 1 moisture sensitivity rating, ensuring equivalent reliability and regulatory standing.

Product Status Advantage: The substitute part carries "Active" status, providing assured long-term availability compared to the "Not For New Designs" status of the original component.

Temperature Range: The substitute extends the operating temperature range to -55°C, providing additional thermal margin for demanding applications.

Critical Design Consideration: The inductance value difference (1.5 µH vs. 2.2 µH) requires circuit-level evaluation to confirm functional equivalence within the application's tolerance requirements.

Frequently Asked Questions (FAQ)

Q: Can HCM1A0703V2-1R5-R be used as a direct drop-in replacement for DFEH7030D-2R2M=P3?

A: Physical and electrical compatibility is confirmed for package footprint, mounting type, and current handling. However, the inductance value difference (1.5 µH vs. 2.2 µH) requires circuit analysis to verify functional equivalence. The ±20% tolerance specification does not bridge this gap, and application-specific performance validation is necessary.

Q: What are the key differences between these two inductors?

A: The primary differences are inductance value (2.2 µH vs. 1.5 µH), DC resistance (18mOhm vs. 11.5mOhm), and product status (Not For New Designs vs. Active). The substitute offers superior current handling, lower resistance, and extended temperature range. Mechanical packaging and compliance certifications are identical.

Q: Does the lower DC resistance of the substitute part affect circuit behavior?

A: Lower DC resistance reduces power dissipation and heat generation, which is generally beneficial. However, this parameter change may affect circuit impedance characteristics and filtering performance depending on the application topology. Circuit-level analysis is required.

Q: Are both parts suitable for automotive applications?

A: Both components carry AEC-Q200 qualification, confirming suitability for automotive environments. The substitute part's extended temperature range (-55°C to 155°C vs. -40°C to 155°C) provides additional thermal margin for extreme operating conditions.

Q: What is the significance of the "Not For New Designs" status?

A: This designation indicates the original part is approaching end-of-life or has been superseded. Using an active substitute part ensures long-term supply chain continuity and access to manufacturing support.

Q: Are the package dimensions truly identical?

A: Yes. Both components use identical nonstandard packaging: 7.00mm length, 6.60mm width, and 3.00mm maximum seated height. PCB layout modifications are not required for physical substitution.