Equivalent & Substitute Parts for 1234AS-H-2R4M=P3

Part Overview

The 1234AS-H-2R4M=P3 is a 2.4 µH shielded drum core, wirewound inductor manufactured by Murata Electronics, rated for 2 A continuous current with a maximum DC resistance of 84 mOhm. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing design support and procurement continuity. The part operates across the temperature range of -40°C to 85°C and is designed for surface mount applications in nonstandard packaging.

Substiute Parts

1234AS-H-2R4M=P3

Murata ElectronicsIn Stock: 11211234AS-H-2R4M=P3 Datasheet

Current PartRFQ

B82559A0242A013

EPCOS - TDK ElectronicsIn Stock: 4317B82559A0242A013 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 1234AS-H-2R4M=P3 is determined by the following critical parameters:

Primary Matching Criteria:

• Inductance value: 2.4 µH (exact match required)
• Core type: Ferrite drum core, wirewound construction
• Shielding: Shielded configuration
• Mounting: Surface mount technology

Secondary Compatibility Factors:

• Current rating must meet or exceed the application requirement (minimum 2 A)
• DC resistance characteristics must be compatible with circuit design
• Operating temperature range must encompass the application environment
• Saturation current must support the intended load conditions

The substitute part B82559A0242A013 matches the primary criteria with identical inductance value and core construction. While the substitute exhibits significantly improved electrical performance (higher current rating, lower DCR, tighter tolerance), these enhancements provide design margin and do not compromise backward compatibility.

Parameter Comparison

Engineering Selection Recommendations

The B82559A0242A013 is the manufacturer-recommended substitute for the obsolete 1234AS-H-2R4M=P3. Selection of this substitute is supported by the following factors:

Product Status: The main part is classified as obsolete, while the substitute is active and in production, ensuring long-term availability and supply chain continuity.

Compliance: The substitute is ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic components in regulated markets.

Electrical Compatibility: The substitute maintains the identical inductance value and core construction. The improved electrical characteristics (higher current rating, lower DCR, tighter tolerance) provide enhanced performance margins without introducing incompatibility with existing circuit designs.

Environmental Performance: The substitute extends the operating temperature range to 130°C, providing broader thermal operating capability compared to the original part's 85°C maximum.

Packaging and Handling: Both parts share identical moisture sensitivity classification (MSL 1), ensuring equivalent handling and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can B82559A0242A013 be used as a direct replacement for 1234AS-H-2R4M=P3?

A: Yes. Both parts share identical inductance values (2.4 µH), ferrite core construction, shielding configuration, and surface mount technology. The substitute meets all primary matching criteria for functional equivalence.

Q: What are the key differences between these parts?

A: The substitute offers improved electrical performance with a higher current rating (16.5 A vs. 2 A), significantly lower DC resistance (2.76 mOhm vs. 84 mOhm), and tighter inductance tolerance (±10% vs. ±20%). The substitute also extends the operating temperature range to 130°C and is ROHS3 compliant.

Q: Will the improved performance of the substitute affect circuit operation?

A: The enhanced electrical characteristics of the substitute provide additional design margin and do not introduce incompatibility. Circuits designed for the original part will operate within specification with the substitute.

Q: Are there packaging differences between these parts?

A: Both parts are surface mount components with nonstandard packaging. The substitute is supplied in Tape & Reel format. Physical dimensions differ slightly, requiring PCB layout verification for mechanical fit.

Q: What is the significance of the obsolete status of the main part?

A: Obsolete status indicates the main part is no longer manufactured or supported by the original supplier. Transition to the active substitute ensures continued availability and access to current manufacturing quality standards.

Q: Are there any compliance considerations for using the substitute?

A: The substitute is ROHS3 compliant and REACH unaffected, meeting current regulatory requirements. Both parts share identical moisture sensitivity classification (MSL 1), ensuring equivalent handling protocols.