Murata Power Solutions 47150C Equivalent & Substitute Parts

Part Overview

The Murata Power Solutions 47150C is a 15 µH shielded wirewound inductor rated for 2.6 A continuous current with a maximum DC resistance of 106mOhm. This surface mount component operates across the industrial temperature range of -40°C to 85°C and is designed for applications requiring compact, shielded inductive filtering and energy storage in power conversion circuits. The part maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating, making it suitable for long-term procurement and deployment in regulated environments. Equivalent parts are identified when they provide identical inductance values under specified connection configurations while maintaining compatible electrical and mechanical parameters.

Substiute Parts

47150C

Murata Power Solutions Inc.In Stock: 79747150C Datasheet

Current PartRFQ

SRF1260-150M

Bourns Inc.In Stock: 1796SRF1260-150M Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The Bourns SRF1260-150M qualifies as an equivalent substitute based on the following substitution criteria:

Primary Substitution Parameter: The SRF1260-150M is a dual-coil inductor array that provides 15 µH inductance when the coils are connected in parallel configuration. This parallel connection mode delivers the identical 15 µH inductance value required by the 47150C application.

Current Rating Compatibility: The SRF1260-150M parallel configuration supports 4.27 A continuous current, which exceeds the 47150C requirement of 2.6 A, ensuring adequate current handling capacity.

DC Resistance Consideration: The SRF1260-150M parallel configuration exhibits 32.9mOhm maximum DC resistance, which is lower than the 47150C specification of 106mOhm maximum. This represents an improvement in efficiency characteristics.

Mechanical and Environmental Alignment: Both components feature shielded construction, surface mount technology, nonstandard package formats, RoHS3 compliance, and unlimited moisture sensitivity rating. The SRF1260-150M extends the operating temperature range to -40°C ~ 125°C, providing broader thermal coverage.

Parameter Comparison

Engineering Selection Recommendations

Both the Murata 47150C and Bourns SRF1260-150M maintain Active product status with full regulatory compliance across RoHS3, REACH Unaffected, and EAR99 classifications. Selection between these components should be based on application-specific requirements:

The Murata 47150C is the primary choice for designs with established thermal constraints limited to 85°C maximum operating temperature and where the higher DC resistance specification aligns with circuit design parameters.

The Bourns SRF1260-150M parallel configuration serves as a direct functional equivalent when the application permits utilization of the extended -40°C ~ 125°C operating range and benefits from the reduced DC resistance characteristic. The higher current saturation rating of 5.69 A in parallel mode provides additional design margin for transient current conditions.

Both components are suitable for long-term production use with equivalent supply chain availability and regulatory standing.

Frequently Asked Questions (FAQ)

Q: Can the Bourns SRF1260-150M directly replace the Murata 47150C in existing designs?

A: Yes, when the SRF1260-150M coils are connected in parallel configuration to achieve 15 µH inductance. The parallel connection mode matches the 47150C inductance specification and current rating requirements. Physical package dimensions differ slightly (12.50mm x 12.50mm versus 12.20mm x 12.20mm), requiring PCB layout verification.

Q: What is the significance of the SRF1260-150M dual-coil configuration?

A: The SRF1260-150M provides two independent coils that can be connected in series (60 µH total) or parallel (15 µH total) configurations. For substitution of the 47150C, the parallel connection mode is used exclusively to achieve the required 15 µH inductance value.

Q: How do the DC resistance values affect circuit performance?

A: The SRF1260-150M parallel configuration exhibits 32.9mOhm maximum DC resistance compared to the 47150C specification of 106mOhm maximum. Lower DC resistance reduces resistive losses and heat generation in the inductor, improving overall circuit efficiency. Applications sensitive to resistive losses benefit from this characteristic.

Q: Are there temperature range considerations for substitution?

A: The Murata 47150C operates from -40°C to 85°C, while the Bourns SRF1260-150M extends to 125°C maximum. Applications operating within the 47150C temperature range experience no thermal limitations with either component. Applications requiring operation above 85°C must use the SRF1260-150M.

Q: Do both components meet the same regulatory requirements?

A: Yes. Both the Murata 47150C and Bourns SRF1260-150M are RoHS3 compliant, REACH unaffected, and classified under EAR99. Both carry unlimited moisture sensitivity rating (MSL 1), ensuring equivalent regulatory standing for procurement and deployment.