DFE201210S-1R0MCA=P2 Equivalent & Substitute Parts

Part Overview

The DFE201210S-1R0MCA=P2 is a 1 µH shielded drum core, wirewound inductor manufactured by Murata Electronics in 0805 (2012 Metric) surface mount package. This component is rated for 2.3 A continuous current with a maximum DC resistance of 70 mOhm and operates across the temperature range of -40°C to 125°C. The part is classified as obsolete, necessitating identification of active equivalent components to maintain design continuity and ensure long-term supply chain reliability.

Substiute Parts

DFE201210S-1R0MCA=P2

Murata ElectronicsIn Stock: 1026DFE201210S-1R0MCA=P2 Datasheet

Current PartRFQ

DFE21CCN1R0MELL

Murata ElectronicsIn Stock: 2380DFE21CCN1R0MELL Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DFE201210S-1R0MCA=P2 is determined by strict equivalence across the following critical parameters:

Mandatory Equivalence Criteria:

• Inductance value: 1 µH
• Inductance tolerance: ±20%
• Package type: 0805 (2012 Metric)
• Core type: Drum core, wirewound
• Core material: Metal
• Shielding: Shielded
• Mounting type: Surface mount
• Operating temperature range: -40°C to 125°C
• RoHS compliance: ROHS3 Compliant

Allowable Parameter Variations: Substitute parts may exceed the original specifications in current rating, saturation current, and DC resistance, provided the substitute maintains or improves electrical performance characteristics. Lower DC resistance and higher current ratings represent enhanced performance without functional degradation.

The DFE21CCN1R0MELL qualifies as a direct substitute based on full compliance with all mandatory equivalence criteria and superior electrical performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

The DFE21CCN1R0MELL is the qualified substitute for the obsolete DFE201210S-1R0MCA=P2 based on the following engineering factors:

Product Status: The substitute part maintains active product status with Murata Electronics, ensuring continued availability and manufacturing support. The original part is classified as obsolete, creating supply chain risk.

Electrical Performance: The substitute part meets all mandatory electrical specifications with enhanced performance characteristics. Current rating increases from 2.3 A to 2.7 A, saturation current increases from 3.2 A to 3.3 A, and DC resistance decreases from 70 mOhm maximum to 60 mOhm maximum. These improvements provide superior thermal performance and reduced power dissipation.

Physical Compatibility: Both parts share identical package dimensions (0805 / 2012 Metric) and footprint specifications. The substitute part features a reduced seated height of 0.031" (0.80mm) compared to 0.039" (1.00mm), providing improved board-level clearance.

Regulatory Compliance: Both parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating. The substitute part includes REACH Unaffected status, providing additional regulatory documentation.

Packaging: The substitute part is supplied in Tape & Reel (TR) format, standard for high-volume production environments.

Frequently Asked Questions (FAQ)

Q: Can the DFE21CCN1R0MELL be used as a direct replacement for the DFE201210S-1R0MCA=P2 in existing designs?

A: Yes. The substitute part maintains identical inductance value, tolerance, package type, core construction, and operating temperature range. All mandatory electrical and mechanical parameters are equivalent or superior.

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

A: The substitute part (DFE21CCN1R0MELL) provides improved electrical performance with higher current rating (2.7 A vs. 2.3 A), lower DC resistance (60 mOhm vs. 70 mOhm), and reduced seated height (0.80mm vs. 1.00mm). The substitute maintains active product status, whereas the original is obsolete.

Q: Are there any height clearance considerations when substituting?

A: The substitute part has a lower seated height (0.031" / 0.80mm) compared to the original (0.039" / 1.00mm). This provides additional board-level clearance and does not create compatibility issues.

Q: Do both parts use the same package footprint?

A: Yes. Both parts use the 0805 (2012 Metric) surface mount package with identical length and width dimensions (0.079" L x 0.047" W / 2.00mm x 1.20mm). PCB footprints are directly compatible.

Q: What is the inductance tolerance for both parts?

A: Both parts maintain ±20% inductance tolerance at 1 MHz test frequency.

Q: Are there any temperature range limitations?

A: Both parts operate across the identical temperature range of -40°C to 125°C. No temperature-related restrictions apply to substitution.

Q: Does the substitute part meet the same regulatory requirements?

A: Yes. Both parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating. The substitute part includes additional REACH Unaffected documentation.

Q: What is the saturation current difference between these parts?

A: The original part has a saturation current (Isat) of 3.2 A, while the substitute part has 3.3 A. This represents a marginal improvement in saturation performance.