CDEP105-0R5MC-32 Equivalent & Substitute Parts

Part Overview

The CDEP105-0R5MC-32 is a 500 nH shielded drum core wirewound inductor manufactured by Sumida America Components Inc. This surface mount component is rated for 13 A continuous current with a maximum DC resistance of 4.1 mOhm and operates across the temperature range of -40°C to 125°C. The part is classified as obsolete, making identification of suitable substitutes essential for ongoing design support and production continuity.

Key Parameters

Parameter	Value
Inductance	500 nH
Inductance Tolerance	±20%
Current Rating	13 A
Saturation Current (Isat)	30.4 A
DC Resistance (DCR)	4.1 mOhm Max
Core Material	Ferrite
Shielding	Shielded
Mounting Type	Surface Mount
Package Dimensions	10.00 mm x 10.00 mm x 5.60 mm (Max Height)
Operating Temperature Range	-40°C to 125°C
Inductance Test Frequency	100 kHz

Substitute Part Grouping Explanation

Substitution eligibility for the CDEP105-0R5MC-32 is determined by strict equivalence across the following electrical and mechanical parameters:

Electrical Equivalence Criteria:

Inductance value: 500 nH
Inductance tolerance: ±20%
Current rating: 13 A minimum
Saturation current: 30.4 A minimum
DC resistance: 4.1 mOhm maximum
Core material: Ferrite
Shielding: Shielded configuration

Mechanical Equivalence Criteria:

Mounting type: Surface Mount
Package dimensions: 10.00 mm x 10.00 mm footprint
Maximum seated height: 5.60 mm
Inductance test frequency: 100 kHz

The CDEP105NP-0R5MC-32 meets all electrical and mechanical parameters specified for the main part and qualifies as a direct substitute.

Parameter Comparison

Parameter	CDEP105-0R5MC-32	CDEP105NP-0R5MC-32	Match
Inductance	500 nH	500 nH	Yes
Inductance Tolerance	±20%	±20%	Yes
Current Rating (Amps)	13 A	13 A	Yes
Saturation Current (Isat)	30.4 A	30.4 A	Yes
DC Resistance (DCR)	4.1 mOhm Max	4.1 mOhm Max	Yes
Core Material	Ferrite	Ferrite	Yes
Shielding	Shielded	Shielded	Yes
Mounting Type	Surface Mount	Surface Mount	Yes
Package Dimensions	10.00 mm x 10.00 mm	10.00 mm x 10.00 mm	Yes
Height - Seated (Max)	5.60 mm	5.60 mm	Yes
Operating Temperature Range	-40°C to 125°C	-40°C to 125°C	Yes
Inductance Test Frequency	100 kHz	100 kHz	Yes
Product Status	Obsolete	Active	Substitute Available
RoHS Compliance	Non-compliant	ROHS3 Compliant	Improved
Packaging	Nonstandard	Tape & Reel (TR)	Standard Available

Engineering Selection Recommendations

The CDEP105NP-0R5MC-32 is the qualified substitute for the obsolete CDEP105-0R5MC-32. Selection of the substitute part is based on the following engineering factors:

Product Status: The main part is classified as obsolete. The substitute part maintains active product status with Sumida America Components Inc., ensuring continued availability and manufacturing support.

Compliance Status: The substitute part achieves ROHS3 compliance, whereas the main part is non-compliant. This represents an improvement in regulatory alignment for new designs and production runs.

Packaging: The substitute part is supplied in standard Tape & Reel (TR) packaging, compared to the nonstandard packaging of the main part. This facilitates automated assembly processes and improves supply chain efficiency.

Electrical and Mechanical Equivalence: All electrical parameters (inductance, current rating, saturation current, DC resistance, core material, and shielding) and mechanical parameters (mounting type, footprint, height, and operating temperature range) are identical between the main part and substitute part.

Frequently Asked Questions (FAQ)

Q: Can the CDEP105NP-0R5MC-32 be used as a direct replacement for the CDEP105-0R5MC-32 in existing designs?

A: Yes. The CDEP105NP-0R5MC-32 is electrically and mechanically equivalent to the CDEP105-0R5MC-32 across all specified parameters, including inductance, current rating, DC resistance, core material, shielding, mounting type, and package dimensions. No circuit modifications are required.

Q: What is the difference between the two part numbers?

A: The primary differences are product status, compliance certification, and packaging format. The CDEP105-0R5MC-32 is obsolete and non-RoHS compliant with nonstandard packaging. The CDEP105NP-0R5MC-32 is an active product with ROHS3 compliance and standard Tape & Reel packaging. The "NP" designation in the substitute part number indicates the updated packaging configuration.

Q: Are there any electrical performance differences between these parts?

A: No. Both parts are specified with identical inductance (500 nH), inductance tolerance (±20%), current rating (13 A), saturation current (30.4 A), DC resistance (4.1 mOhm maximum), and operating temperature range (-40°C to 125°C).

Q: What is the impact of the packaging change from nonstandard to Tape & Reel?

A: Tape & Reel packaging is the industry standard format for surface mount components and is compatible with automated pick-and-place assembly equipment. This change improves manufacturing efficiency and reduces handling costs compared to nonstandard packaging.

Q: Does the ROHS3 compliance of the substitute part affect circuit performance?

A: No. ROHS3 compliance relates to material composition and environmental restrictions, not electrical performance. The substitute part maintains identical electrical characteristics and performance specifications.

Q: Are both parts available from the same manufacturer?

A: Yes. Both the CDEP105-0R5MC-32 and CDEP105NP-0R5MC-32 are manufactured by Sumida America Components Inc.

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