DFE201210S-R47MCA=P2 Equivalent & Substitute Parts

Part Overview

The DFE201210S-R47MCA=P2 is a 470 nH shielded drum core, wirewound inductor manufactured by Murata Electronics. This surface mount component is rated for 3.4 A continuous current with a maximum DC resistance of 32 mOhm and operates across the temperature range of -40°C to 125°C. The part is packaged in the 0805 (2012 Metric) form factor and is RoHS3 compliant.

This part is classified as obsolete. Locating equivalent or substitute components becomes necessary when the original part reaches end-of-life status or when inventory becomes unavailable. Substitute parts must maintain electrical and mechanical compatibility with the original design specifications.

Substiute Parts

DFE201210S-R47MCA=P2

Murata ElectronicsIn Stock: 911DFE201210S-R47MCA=P2 Datasheet

Current PartRFQ

DFE21CCNR47MELL

Murata ElectronicsIn Stock: 4132DFE21CCNR47MELL Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DFE201210S-R47MCA=P2 is based on strict electrical and mechanical parameter matching. The following criteria determine substitution eligibility:

Electrical Parameters:

• Inductance value: 470 nH (±20% tolerance)
• Current rating: minimum 3.4 A continuous
• Saturation current (Isat): 4.8 A
• DC resistance: 32 mOhm maximum
• Shielding: Shielded configuration required

Mechanical Parameters:

• Package / Case: 0805 (2012 Metric)
• Mounting type: Surface Mount
• Core type: Drum Core, Wirewound
• Core material: Metal

Environmental & Compliance:

• Operating temperature range: -40°C ~ 125°C
• RoHS3 compliance required
• Moisture Sensitivity Level: 1 (Unlimited)

The substitute part DFE21CCNR47MELL meets all electrical and mechanical requirements for direct substitution. This part maintains identical inductance, shielding configuration, package form factor, and environmental specifications while offering improved performance characteristics in current rating and DC resistance.

Parameter Comparison

Engineering Selection Recommendations

The DFE21CCNR47MELL is a direct substitute for the obsolete DFE201210S-R47MCA=P2. Selection of this substitute part is based on the following engineering factors:

Product Status: The original part is classified as obsolete, making the active production status of the DFE21CCNR47MELL a critical advantage for long-term supply chain reliability and future availability.

Electrical Compatibility: The substitute part maintains identical inductance value (470 nH) and tolerance (±20%), ensuring circuit performance equivalence. The saturation current specification remains at 4.8 A, matching the original design requirement.

Performance Enhancement: The substitute part provides improved electrical characteristics. The current rating increases from 3.4 A to 4.1 A, and the DC resistance decreases from 32 mOhm maximum to 29 mOhm maximum. These improvements provide additional design margin without introducing incompatibility.

Mechanical Compatibility: Both parts share identical package dimensions (0805 / 2012 Metric), mounting type (Surface Mount), and footprint specifications. The substitute part features a lower seated height (0.031" versus 0.039"), which is advantageous for space-constrained applications and does not create mechanical interference issues.

Compliance & Environmental: Both parts maintain RoHS3 compliance, identical moisture sensitivity level (MSL 1), and matching operating temperature range (-40°C to 125°C). No environmental or regulatory barriers exist to substitution.

Packaging: The substitute part is supplied in Tape & Reel (TR) format, which is standard for production environments and provides improved handling and automated assembly compatibility compared to alternative packaging methods.

Frequently Asked Questions (FAQ)

Q: Can the DFE21CCNR47MELL be used as a direct replacement for the DFE201210S-R47MCA=P2 in existing designs?

A: Yes. The substitute part maintains identical electrical specifications for inductance, tolerance, saturation current, and shielding configuration. The package form factor, mounting type, and footprint are identical. The substitute part meets or exceeds all electrical requirements of the original design.

Q: What are the differences between these two parts?

A: The primary differences are product status and performance characteristics. The original part is obsolete; the substitute is active production. The substitute offers improved current rating (4.1 A versus 3.4 A) and lower DC resistance (29 mOhm versus 32 mOhm). The substitute has a lower seated height (0.031" versus 0.039"), which is beneficial for compact designs.

Q: Are there any compatibility concerns with the lower seated height of the substitute part?

A: No. The lower seated height of the DFE21CCNR47MELL (0.031" maximum) is a dimensional improvement that does not create mechanical interference. This reduction in height is advantageous for applications with height constraints and does not affect electrical performance or PCB assembly compatibility.

Q: Do both parts have the same RoHS and environmental compliance status?

A: Yes. Both the DFE201210S-R47MCA=P2 and DFE21CCNR47MELL are RoHS3 compliant with identical moisture sensitivity level (MSL 1 - Unlimited) and operating temperature range (-40°C to 125°C).

Q: What is the inductance tolerance for these parts?

A: Both parts have an inductance tolerance of ±20% at the 1 MHz test frequency. This tolerance specification is identical between the original and substitute parts.

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

A: The substitute part is supplied in Tape & Reel (TR) format, which is the standard production packaging for surface mount components. The original part packaging information was not specified in the available data. Tape & Reel format is compatible with automated assembly processes and is the industry standard for high-volume production.

Q: What is the saturation current specification for both parts?

A: Both parts have an identical saturation current (Isat) specification of 4.8 A. This specification ensures consistent performance characteristics across the substitution.

Q: Can the improved DC resistance of the substitute part affect circuit performance?

A: The lower DC resistance of the substitute part (29 mOhm maximum versus 32 mOhm maximum) results in reduced power dissipation and improved efficiency. This improvement is beneficial and does not introduce any negative effects on circuit performance or compatibility.