0412CDMCDS-2R2MC Fixed Inductor Equivalent & Substitute Parts

Part Overview

The 0412CDMCDS-2R2MC is a 2.2 µH shielded wirewound inductor manufactured by Sumida America Components Inc., rated for 2 A continuous current with 80 mOhm DC resistance. This component is classified as obsolete product status. 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 inductor specification.

Substiute Parts

0412CDMCDS-2R2MC

Sumida America Components Inc.In Stock: 29880412CDMCDS-2R2MC Datasheet

Current PartRFQ

ASPI-4020HI-2R2M-T

Abracon LLCIn Stock: 29292ASPI-4020HI-2R2M-T Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 0412CDMCDS-2R2MC is determined by strict equivalence across the following electrical and mechanical parameters:

Electrical Equivalence Criteria:

• Inductance value: 2.2 µH (±20% tolerance maintained)
• Shielding requirement: Shielded construction
• Inductance test frequency: 100 kHz
• RoHS3 compliance: Required

Mechanical Compatibility Criteria:

• Mounting type: Surface Mount
• Package classification: Nonstandard
• Physical dimensions: Compatible footprint within tolerance
• Height constraint: Maximum seated height acceptable for PCB assembly

Environmental & Compliance Criteria:

• Operating temperature range: Minimum -40°C to 105°C coverage
• Moisture sensitivity: MSL 1 or better
• ECCN/HTSUS classification: Consistent with original part

The substitute part ASPI-4020HI-2R2M-T meets these criteria with enhanced electrical performance characteristics while maintaining mechanical and environmental compatibility.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: ASPI-4020HI-2R2M-T

The ASPI-4020HI-2R2M-T from Abracon LLC is the qualified substitute for the obsolete 0412CDMCDS-2R2MC. Selection rationale is based on the following engineering factors:

Product Status & Availability: The main part 0412CDMCDS-2R2MC carries obsolete product status, creating supply chain risk. The substitute ASPI-4020HI-2R2M-T maintains active product status with confirmed inventory availability (29,198 pcs in stock), ensuring long-term procurement viability.

Electrical Compatibility: Both parts maintain identical inductance value (2.2 µH) and tolerance (±20%) at the standard test frequency of 100 kHz. The substitute provides enhanced current handling capability (4.5 A vs. 2 A) and improved saturation current (5 A vs. 4.4 A), offering design margin for existing applications. DC resistance is reduced from 80 mOhm to 58 mOhm maximum, resulting in lower power dissipation.

Compliance & Environmental: Both parts are ROHS3 compliant and carry MSL 1 rating. The substitute extends the operating temperature range to -55°C to 125°C, providing broader environmental coverage compared to the main part's -40°C to 105°C range.

Mechanical Considerations: Physical footprint dimensions are comparable (4.40 mm × 4.20 mm vs. 4.50 mm × 4.10 mm). The substitute height of 2.00 mm maximum exceeds the main part's 1.20 mm; PCB layout clearance verification is required for height-constrained applications.

Construction Type: The substitute employs molded construction with ferrite core versus the main part's wirewound design. Both maintain shielded construction, preserving electromagnetic isolation characteristics.

Frequently Asked Questions (FAQ)

Q: Can ASPI-4020HI-2R2M-T be used as a direct replacement for 0412CDMCDS-2R2MC?

A: Yes, for applications where the 2 A current rating of the original part is not exceeded. The substitute's 4.5 A rating and lower DC resistance provide enhanced performance. Height difference (2.00 mm vs. 1.20 mm) must be verified against PCB assembly constraints.

Q: What is the impact of the different construction types (wirewound vs. molded)?

A: Both parts maintain shielded construction and identical inductance specifications at 100 kHz test frequency. The molded ferrite core construction of the substitute provides improved mechanical robustness and thermal stability compared to wirewound design, with no functional impact on circuit performance within specified parameters.

Q: Are there packaging format differences between these parts?

A: Yes. The main part is supplied in Cut Tape (CT) format, while the substitute is supplied in Tape & Reel (TR) format. TR packaging is standard for high-volume production and offers improved handling efficiency.

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

A: The substitute's 58 mOhm maximum DCR versus 80 mOhm reduces resistive losses and heat generation. For applications operating at or near the 2 A rating, this improvement reduces thermal stress and extends component life.

Q: Is the extended temperature range of the substitute (-55°C to 125°C) beneficial?

A: The extended range provides design margin for applications with extreme environmental exposure. If the original application operates within -40°C to 105°C, both parts are functionally equivalent in this range.

Q: What should be verified before implementing the substitute in production?

A: Verify PCB layout clearance for the increased height (2.00 mm). Confirm that the molded construction's thermal characteristics are acceptable for the application's thermal management design. Validate that the enhanced current rating does not introduce unintended circuit behavior changes.