DFE201210S-1R0M=P2 Equivalent & Substitute Parts

Part Overview

The DFE201210S-1R0M=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 currently obsolete, making identification of suitable substitute components essential for ongoing production and design requirements.

Substiute Parts

DFE201210S-1R0M=P2

Murata ElectronicsIn Stock: 88457DFE201210S-1R0M=P2 Datasheet

Current PartRFQ

DFE21CCN1R0MELL

Murata ElectronicsIn Stock: 2380DFE21CCN1R0MELL Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DFE201210S-1R0M=P2 is determined by the following critical parameters:

• Inductance Value: Must be 1 µH to maintain circuit functionality
• Package / Case: Must be 0805 (2012 Metric) for PCB footprint compatibility
• Mounting Type: Must be Surface Mount for assembly compatibility
• Shielding: Must be Shielded to maintain electromagnetic isolation
• Current Rating: Must meet or exceed 2.3 A continuous current requirement
• DC Resistance: Must not exceed 70 mOhm to ensure acceptable power dissipation
• Operating Temperature Range: Must support -40°C ~ 125°C operation
• Tolerance: ±20% tolerance is acceptable for this application class

The DFE21CCN1R0MELL qualifies as a direct substitute based on matching all critical parameters while offering improved electrical performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

The DFE21CCN1R0MELL is the manufacturer-recommended substitute for the obsolete DFE201210S-1R0M=P2. Both components are ROHS3 compliant and carry MSL Level 1 rating, ensuring equivalent environmental and regulatory compliance.

The substitute part provides measurable improvements in electrical performance: 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 to 60 mOhm. The substitute maintains identical inductance, tolerance, package dimensions, and operating temperature range. The reduced seated height (0.031" versus 0.039") presents no compatibility concerns for standard PCB assembly processes.

The DFE21CCN1R0MELL is currently in active production status, ensuring long-term availability and supply chain stability compared to the obsolete original part.

Frequently Asked Questions (FAQ)

Q: Can the DFE21CCN1R0MELL be used as a direct replacement for the DFE201210S-1R0M=P2?

A: Yes. Both parts share identical inductance (1 µH), tolerance (±20%), package (0805 / 2012 Metric), shielding type, mounting method, and operating temperature range. The substitute meets all critical electrical and mechanical requirements for direct substitution.

Q: What are the differences between these two parts?

A: The substitute offers improved electrical performance with higher current rating (2.7 A vs. 2.3 A), higher saturation current (3.3 A vs. 3.2 A), and lower DC resistance (60 mOhm vs. 70 mOhm). The substitute also features a lower seated height (0.031" vs. 0.039"). Both parts maintain identical inductance and operating specifications.

Q: Will the lower DC resistance of the substitute affect circuit operation?

A: No. Lower DC resistance is a performance improvement that reduces power dissipation and heat generation. This change is beneficial and does not introduce compatibility issues.

Q: Are there any PCB layout considerations when switching to the DFE21CCN1R0MELL?

A: No layout changes are required. Both parts use identical 0805 (2012 Metric) package dimensions and footprints. The reduced seated height of the substitute (0.031" vs. 0.039") presents no assembly or clearance concerns.

Q: What is the compliance status of the substitute part?

A: The DFE21CCN1R0MELL is ROHS3 compliant and carries MSL Level 1 rating, matching the compliance profile of the original part.

Q: Why is the original part obsolete?

A: The DFE201210S-1R0M=P2 has been discontinued by Murata Electronics. The DFE21CCN1R0MELL represents the current production equivalent with enhanced specifications.