Murata Power Solutions 23S150C Equivalent & Substitute Parts

Part Overview

The Murata Power Solutions 23S150C is a 15 µH shielded wirewound inductor rated for 960 mA continuous current with a maximum DC resistance of 131mOhm. This surface mount component operates across the industrial temperature range of -40°C to 85°C and is classified as Active product status. Substitute parts are identified when original inventory becomes unavailable, when design requirements permit relaxed performance parameters, or when alternative suppliers offer equivalent electrical characteristics within acceptable tolerance margins.

Substiute Parts

23S150C

Murata Power SolutionsIn Stock: 109623S150C Datasheet

Current PartRFQ

SRR6603-150ML

Bourns Inc.In Stock: 1444SRR6603-150ML Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The Bourns Inc. SRR6603-150ML qualifies as a substitute for the 23S150C based on the following critical parameters:

Inductance value matches exactly at 15 µH, satisfying the primary functional requirement. Both components feature shielded construction and surface mount packaging in nonstandard form factors. Both maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment.

Substitution is valid when the following conditions are met: the application tolerates a reduced current rating (800 mA versus 960 mA), accepts increased DC resistance (90mOhm versus 131mOhm maximum), and operates within the substitute's temperature range (-55°C to 125°C, which encompasses the original -40°C to 85°C specification). The substitute introduces a ferrite drum core construction compared to the original wirewound design, which affects frequency response characteristics but maintains shielding effectiveness for the specified inductance value.

Parameter Comparison

Engineering Selection Recommendations

Selection between the 23S150C and SRR6603-150ML depends on application-specific current and thermal requirements. The 23S150C supports higher continuous current (960 mA) and is appropriate for designs operating near maximum current specifications. The SRR6603-150ML is suitable for applications with current demands at or below 800 mA and benefits from lower DC resistance, reducing I²R losses in the inductor itself.

Both components maintain Active product status and full regulatory compliance (ROHS3, REACH unaffected). The substitute's extended operating temperature range (-55°C to 125°C) provides additional margin for thermal management in demanding environments. Physical dimensions differ slightly; verify PCB layout compatibility before substitution, as the SRR6603-150ML measures 6.60mm × 4.40mm × 3.00mm (height) compared to the 23S150C at 6.20mm × 5.60mm × 3.20mm (height).

Frequently Asked Questions (FAQ)

Q: Can the SRR6603-150ML directly replace the 23S150C in all applications?

A: Direct replacement is valid only when application current does not exceed 800 mA continuous. If the design requires the full 960 mA rating of the original part, the substitute is not appropriate. Verify actual circuit current draw before substitution.

Q: How does the change from wirewound to drum core construction affect circuit performance?

A: The drum core ferrite construction in the SRR6603-150ML alters frequency response characteristics. The substitute exhibits a self-resonant frequency of 33 MHz and Q factor of 40 @ 100kHz. Applications sensitive to high-frequency behavior or requiring specific Q characteristics should evaluate frequency response curves before substitution.

Q: Are there physical mounting differences between these parts?

A: Both components use surface mount packaging in nonstandard form factors. Dimensional differences exist: the SRR6603-150ML is slightly larger in length (6.60mm vs 6.20mm) and narrower in width (4.40mm vs 5.60mm), with reduced height (3.00mm vs 3.20mm). Verify PCB footprint compatibility and clearance around the component before substitution.

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

A: Yes. Both the 23S150C and SRR6603-150ML are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with identical HTSUS code 8504.50.4000. Moisture sensitivity level is 1 (Unlimited) for both components.

Q: What is the impact of lower DC resistance in the substitute part?

A: The SRR6603-150ML's 90mOhm maximum DCR compared to the 23S150C's 131mOhm maximum results in reduced resistive losses. For a given current, power dissipation (I²R) is lower in the substitute, which may improve thermal performance in the inductor itself. This is advantageous in power-sensitive applications.