0520CDMCDS-100MC Equivalent & Substitute Parts

Part Overview

The 0520CDMCDS-100MC is a 10 µH shielded wirewound inductor manufactured by Sumida America Components Inc., rated for 1.9 A continuous current with 135 mOhm DC resistance. This component is classified as obsolete product status. Identification of equivalent and substitute parts is necessary due to obsolescence and potential supply chain discontinuation. Substitute parts must maintain electrical performance within the specified parameter tolerances while meeting mechanical and environmental requirements.

Substiute Parts

0520CDMCDS-100MC

Sumida America Components Inc.In Stock: 7260520CDMCDS-100MC Datasheet

Current PartRFQ

IHLP2020CZER100M01

Vishay DaleIn Stock: 4138IHLP2020CZER100M01 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 0520CDMCDS-100MC is determined by strict equivalence in the following electrical and mechanical parameters:

Critical Substitution Criteria:

• Inductance value: 10 µH (±20% tolerance)
• Inductance test frequency: 100 kHz
• Shielding requirement: Shielded construction
• Mounting type: Surface Mount
• Physical footprint compatibility: Nonstandard package dimensions within acceptable tolerance
• Current rating: Must equal or exceed 1.9 A continuous rating
• Saturation current: Must equal or exceed 3 A
• DC resistance: Must not exceed 135 mOhm (lower values acceptable)
• Operating temperature range: Must encompass or exceed -40°C to 105°C
• Compliance: ROHS3 and MSL 1 (Unlimited)

The IHLP2020CZER100M01 qualifies as a substitute based on matching inductance, shielding, mounting type, and exceeding current and saturation ratings while maintaining compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The IHLP2020CZER100M01 is suitable as a substitute for the 0520CDMCDS-100MC based on the following engineering factors:

Electrical Compatibility: The substitute part maintains the required 10 µH inductance at 100 kHz test frequency with identical ±20% tolerance. Current rating of 2.5 A exceeds the 1.9 A requirement, and saturation current of 4 A exceeds the 3 A specification. DC resistance of 164 mOhm maximum is within acceptable operating parameters for this application class.

Mechanical Compatibility: Both parts are surface mount components with nonstandard packages. Footprint dimensions are nearly identical (5.49mm × 5.18mm vs. 5.50mm × 5.20mm), with maximum height difference of 1.00mm (3.00mm vs. 2.00mm). PCB layout verification is required to confirm clearance in height-constrained applications.

Compliance and Reliability: Both parts are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating. The substitute part is active production status, ensuring long-term availability and supply chain stability compared to the obsolete main part.

Construction Difference: The main part uses wirewound construction while the substitute uses molded construction. This difference does not affect electrical performance within specified parameters but may influence thermal characteristics and mechanical robustness in specific applications.

Frequently Asked Questions (FAQ)

Q: Can the IHLP2020CZER100M01 directly replace the 0520CDMCDS-100MC without circuit modification?

A: Yes, within the specified electrical parameters. The substitute maintains 10 µH inductance, shielding, and surface mount compatibility. Verify PCB clearance for the 1.00mm height difference (3.00mm vs. 2.00mm seated height).

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

A: Construction type affects manufacturing process and internal structure but does not alter the electrical performance specifications provided. Both types meet the 10 µH inductance, current rating, and DC resistance requirements at the specified test frequency.

Q: Is the higher DC resistance of the substitute part (164 mOhm vs. 135 mOhm) acceptable?

A: Yes. The 29 mOhm difference represents approximately 21% increase in DC resistance. For applications where power dissipation is critical, calculate the thermal impact: P = I²R. At 1.9 A continuous current, the difference is approximately 0.105 W, which is typically acceptable in standard PCB thermal environments.

Q: Why does the substitute part have a higher saturation current rating?

A: The IHLP2020CZER100M01 is rated for 4 A saturation current versus 3 A for the main part. This provides additional design margin and does not create compatibility issues. The substitute can be used in applications requiring the original 3 A saturation specification.

Q: Are there any temperature range considerations for substitution?

A: The substitute part operates from -55°C to 125°C, which exceeds the original -40°C to 105°C range. This provides expanded operating capability and is fully compatible with the original specification.

Q: What packaging format is the substitute available in?

A: The IHLP2020CZER100M01 is supplied in Tape & Reel (TR) format, suitable for automated assembly processes. Verify compatibility with your procurement and assembly workflow.

Q: Is the footprint difference significant for PCB layout?

A: Footprint dimensions are nearly identical (5.49mm × 5.20mm vs. 5.50mm × 5.20mm). The 0.01mm difference is negligible for standard PCB manufacturing tolerances. The 1.00mm height difference requires clearance verification in height-constrained designs.