24S470C Equivalent & Substitute Parts

Part Overview

The 24S470C is a 47 µH shielded wirewound inductor manufactured by Murata Power Solutions Inc., designed for surface mount applications with a rated current of 750 mA and maximum DC resistance of 240mOhm. This component is classified as Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating. Equivalent and substitute parts are identified when design requirements permit tolerance of electrical parameter variations within acceptable operating ranges, or when supply chain considerations necessitate alternative sourcing while maintaining functional compatibility.

Substiute Parts

24S470C

Murata Power Solutions Inc.In Stock: 94724S470C Datasheet

Current PartRFQ

SRR7045-470M

Bourns Inc.In Stock: 2117SRR7045-470M Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 24S470C is determined by the following critical parameters:

• Inductance Value: Must be 47 µH to maintain circuit design specifications
• Shielding Configuration: Must be shielded to prevent electromagnetic interference in the target application
• Mounting Type: Must be surface mount to ensure PCB assembly compatibility
• Current Rating: Must meet or exceed 750 mA minimum requirement
• DC Resistance: Lower DCR values are acceptable; higher values require circuit performance validation
• Operating Temperature Range: Must encompass the application's thermal operating window
• RoHS Compliance: Must maintain ROHS3 compliance status for regulatory alignment

The SRR7045-470M qualifies as a substitute based on matching inductance (47 µH), shielding type (shielded), mounting configuration (surface mount), and exceeding the current rating specification (1.4 A vs. 750 mA requirement).

Parameter Comparison

Engineering Selection Recommendations

Selection between the 24S470C and SRR7045-470M is based on the following engineering criteria:

24S470C (Murata Power Solutions Inc.): Select this part when the original design specification requires the exact DC resistance characteristic of 240 mOhm maximum, or when Murata component qualification is mandated by design documentation. This part maintains Active product status with full regulatory compliance.

SRR7045-470M (Bourns Inc.): Select this substitute when design margins permit the lower DC resistance value (150 mOhm maximum), which reduces power dissipation in the inductor. The higher current rating (1.4 A) and extended operating temperature range (-40°C to 125°C) provide additional design headroom. This part also maintains Active product status with equivalent regulatory compliance (ROHS3, REACH Unaffected).

Both parts are ROHS3 compliant, REACH unaffected, and carry unlimited moisture sensitivity rating (MSL 1), ensuring compatibility with standard surface mount assembly processes.

Frequently Asked Questions (FAQ)

Q: Can the SRR7045-470M directly replace the 24S470C in my circuit?

A: Direct replacement is possible if your circuit design accommodates the lower DC resistance (150 mOhm vs. 240 mOhm maximum). The lower resistance reduces power dissipation and heat generation. Verify that the reduced DCR does not alter circuit performance parameters such as Q factor or resonant frequency response.

Q: What is the physical size difference between these parts?

A: The 24S470C measures 0.303" L x 0.280" W x 0.177" H (7.70mm x 7.10mm x 4.50mm). The SRR7045-470M measures 0.276" L x 0.276" W x 0.189" H (7.00mm x 7.00mm x 4.80mm). Both are nonstandard packages; verify PCB footprint compatibility before substitution.

Q: Are both parts available in the same packaging format?

A: Both parts are supplied in Tape & Reel (TR) packaging suitable for automated surface mount assembly. Confirm tape specifications with your supplier if reel dimensions are critical to your assembly process.

Q: Does the SRR7045-470M's higher current rating affect circuit compatibility?

A: No. A higher current rating indicates the part can safely handle greater current without saturation. If your circuit operates at 750 mA or below, the SRR7045-470M's 1.4 A rating provides additional safety margin without affecting normal operation.

Q: What is the inductance tolerance for each part?

A: The 24S470C tolerance is not specified in the provided data. The SRR7045-470M carries ±20% inductance tolerance. Confirm tolerance requirements with your circuit design specifications before substitution.

Q: Are both parts RoHS compliant?

A: Yes. Both the 24S470C and SRR7045-470M are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for electronic component manufacturing.