DFE201208K-R47M=P2 Equivalent & Substitute Parts

Part Overview

The DFE201208K-R47M=P2 is a 470 nH shielded drum core, wirewound inductor in 0805 (2012 Metric) surface mount package manufactured by Murata Electronics. This component is classified as obsolete, indicating it is no longer in active production. The identification of equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this inductance value and package form factor.

Substiute Parts

DFE201208K-R47M=P2

Murata ElectronicsIn Stock: 726DFE201208K-R47M=P2 Datasheet

Current PartRFQ

DFE21CCNR47MELL

Murata ElectronicsIn Stock: 4132DFE21CCNR47MELL Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete DFE201208K-R47M=P2 is based on strict alignment of the following critical parameters:

Inductance Value: Both the main part and substitute maintain 470 nH inductance with ±20% tolerance, ensuring functional equivalence in circuit applications.

Package Compatibility: Both components utilize the 0805 (2012 Metric) surface mount package with identical physical dimensions (0.079" L x 0.047" W, 2.00mm x 1.20mm) and maximum seated height (0.031" / 0.80mm), enabling direct PCB footprint compatibility.

Shielding and Core Type: Both parts feature shielded drum core, wirewound construction with metal core material, maintaining electromagnetic performance characteristics.

Environmental Compliance: Both components are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating and identical operating temperature range (-40°C ~ 125°C), ensuring regulatory and reliability equivalence.

Product Status Differentiation: The substitute part DFE21CCNR47MELL is classified as Active, providing ongoing availability and supply chain continuity compared to the obsolete main part.

Parameter Comparison

Engineering Selection Recommendations

The DFE21CCNR47MELL is the direct substitute for the obsolete DFE201208K-R47M=P2 based on the following engineering criteria:

Functional Equivalence: Both components provide identical inductance value (470 nH) and tolerance (±20%) with matching package geometry and shielding characteristics, ensuring direct replacement capability in existing circuit designs.

Regulatory Compliance: Both parts maintain ROHS3 compliance and identical environmental ratings, satisfying regulatory requirements for new and legacy applications.

Supply Chain Continuity: The substitute part maintains Active product status with significantly higher inventory availability (4121 Pcs vs. 689 Pcs), ensuring reliable procurement for production requirements.

Enhanced Specifications: The substitute part provides additional electrical characterization including current rating (4.1 A), saturation current (4.8 A), and DC resistance (29 mOhm Max), offering improved design documentation and performance predictability compared to the main part.

Packaging Format: The substitute is available in Tape & Reel (TR) packaging, supporting automated assembly processes typical of high-volume manufacturing environments.

Frequently Asked Questions (FAQ)

Q: Can DFE21CCNR47MELL be used as a direct replacement for DFE201208K-R47M=P2?

A: Yes. Both components share identical inductance value (470 nH), tolerance (±20%), package form factor (0805 / 2012 Metric), shielding type, and operating temperature range. Physical dimensions and PCB footprint compatibility are identical, enabling direct substitution without circuit redesign or PCB layout modification.

Q: What is the primary reason for substitution?

A: The DFE201208K-R47M=P2 is classified as obsolete and no longer in active production. The DFE21CCNR47MELL maintains Active status with higher inventory availability, ensuring supply chain continuity and long-term procurement reliability.

Q: Are there any electrical performance differences between these parts?

A: The substitute part provides additional electrical specifications including current rating (4.1 A), saturation current (4.8 A), and DC resistance (29 mOhm Max). The main part does not specify these parameters. Both parts maintain identical inductance and tolerance characteristics. Applications requiring current handling capability benefit from the enhanced specifications of the substitute part.

Q: Do both parts meet the same regulatory and environmental standards?

A: Yes. Both components are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating and identical operating temperature range (-40°C ~ 125°C). Environmental and regulatory requirements are fully satisfied by either part.

Q: What packaging options are available for the substitute part?

A: The DFE21CCNR47MELL is supplied in Tape & Reel (TR) packaging format, supporting automated pick-and-place assembly processes. This packaging format is standard for high-volume surface mount production environments.

Q: Are there any design considerations when transitioning from the main part to the substitute?

A: No design modifications are required. The substitute part maintains identical package geometry, inductance value, and tolerance. Direct PCB footprint compatibility is confirmed. Existing circuit designs and layouts require no alteration.