DFE201210S-2R2MAT=M2 Equivalent & Substitute Parts

Part Overview

The DFE201210S-2R2MAT=M2 is a 2.2 µH shielded drum core, wirewound inductor manufactured by Murata Electronics. This surface mount component is rated for 1.5 A continuous current with a maximum DC resistance of 155 mOhm and operates across the temperature range of -40°C to 125°C. The part is housed in a 0805 (2012 Metric) package and is ROHS3 compliant.

The DFE201210S-2R2MAT=M2 is classified as obsolete. Locating equivalent or substitute components is necessary to support ongoing production requirements, maintenance operations, and design continuity for applications currently utilizing this inductor.

Substiute Parts

DFE201210S-2R2MAT=M2

Murata ElectronicsIn Stock: 983DFE201210S-2R2MAT=M2 Datasheet

Current PartRFQ

DFE21CCN2R2MELL

Murata ElectronicsIn Stock: 11384DFE21CCN2R2MELL Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DFE201210S-2R2MAT=M2 is determined by the following critical parameters:

Electrical Parameters:

• Inductance value: 2.2 µH (exact match required)
• Inductance tolerance: ±20% (must be equivalent or tighter)
• Current saturation point (Isat): 2.1 A (must meet or exceed)
• DC resistance: Must not exceed 155 mOhm maximum

Mechanical & Package Parameters:

• Package type: 0805 (2012 Metric) surface mount (exact match required)
• Physical dimensions: 0.079" L x 0.047" W (2.00mm x 1.20mm) footprint compatibility
• Shielding: Shielded configuration (required for EMI performance)
• Core type: Drum core, wirewound with metal core material

Environmental & Compliance Parameters:

• Operating temperature range: -40°C to 125°C (must support or exceed)
• RoHS3 compliance (required for regulatory alignment)
• Moisture sensitivity level: 1 (Unlimited)

The substitute part DFE21CCN2R2MELL meets all critical substitution criteria while offering improved electrical performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

The DFE21CCN2R2MELL is the manufacturer-recommended substitute for the obsolete DFE201210S-2R2MAT=M2. This substitution is supported by the following engineering factors:

Compliance & Availability: The substitute part maintains full ROHS3 compliance and is currently in active production status with substantial inventory availability (11,347 pieces in stock), ensuring long-term supply chain continuity compared to the obsolete main part.

Electrical Performance: The DFE21CCN2R2MELL delivers equivalent inductance (2.2 µH) and saturation current (2.1 A) specifications. The substitute provides improved DC resistance performance at 138 mOhm maximum, compared to the main part's 155 mOhm maximum, resulting in lower power dissipation and improved thermal efficiency.

Current Rating Enhancement: The substitute part is rated for 1.8 A continuous current, exceeding the main part's 1.5 A rating. This provides additional design margin for applications operating near the original current specification.

Package & Mechanical Compatibility: Both parts utilize identical 0805 (2012 Metric) surface mount packaging with matching footprints (0.079" L x 0.047" W). The substitute features a reduced seated height of 0.031" (0.80mm) compared to the main part's 0.039" (1.00mm), maintaining PCB assembly compatibility while offering improved space efficiency.

Environmental Performance: Operating temperature range, moisture sensitivity level, and shielding characteristics are identical between the main part and substitute, ensuring equivalent performance across all environmental operating conditions.

Frequently Asked Questions (FAQ)

Q: Can the DFE21CCN2R2MELL be used as a direct replacement for the DFE201210S-2R2MAT=M2?

A: Yes. The DFE21CCN2R2MELL is the manufacturer-recommended substitute. Both parts share identical inductance (2.2 µH), saturation current (2.1 A), package type (0805 / 2012 Metric), operating temperature range (-40°C to 125°C), and shielding configuration. The substitute meets or exceeds all electrical and mechanical parameters of the obsolete part.

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

A: The primary differences are product status and electrical performance. The DFE21CCN2R2MELL is in active production (versus obsolete status), offers improved DC resistance (138 mOhm max versus 155 mOhm max), provides higher continuous current rating (1.8 A versus 1.5 A), and features a reduced seated height (0.80mm versus 1.00mm). These differences represent performance enhancements with no compatibility compromises.

Q: Are the package dimensions identical?

A: The footprint dimensions are identical at 0.079" L x 0.047" W (2.00mm x 1.20mm), ensuring direct PCB layout compatibility. The seated height differs slightly, with the substitute measuring 0.031" (0.80mm) compared to the main part's 0.039" (1.00mm). This reduction in height does not affect assembly compatibility and may provide benefits in space-constrained designs.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the DFE201210S-2R2MAT=M2 and DFE21CCN2R2MELL are ROHS3 compliant with moisture sensitivity level 1 (Unlimited). Both parts carry identical ECCN (EAR99) and HTSUS (8504.50.8000) classifications.

Q: What is the inductance tolerance for the substitute part?

A: The DFE21CCN2R2MELL maintains the same ±20% inductance tolerance as the original part, ensuring equivalent circuit performance and design margin calculations.

Q: Is the substitute part available in the same packaging format?

A: The substitute is supplied in Tape & Reel (TR) packaging, which is standard for high-volume surface mount production. The original part information does not specify packaging format. Both parts are compatible with automated assembly equipment using standard 0805 (2012 Metric) feeders.

Q: How does the improved DC resistance of the substitute affect circuit performance?

A: The substitute's lower maximum DC resistance (138 mOhm versus 155 mOhm) reduces resistive losses in the inductor. This results in lower power dissipation, reduced heat generation, and improved overall circuit efficiency. For applications operating at or near the 1.5 A current specification, this improvement provides measurable thermal benefits.

Q: Can the higher current rating of the substitute create any compatibility issues?

A: No. The higher continuous current rating (1.8 A versus 1.5 A) of the substitute represents an enhancement that does not create compatibility issues. Applications designed for the original 1.5 A rating operate within the substitute's specifications with additional design margin.