CDEP105-1R8MC-50 Equivalent & Substitute Parts

Part Overview

The CDEP105-1R8MC-50 is a 1.8 µH shielded drum core wirewound inductor manufactured by Sumida America Components Inc. This surface mount component is rated for 9 A continuous current with a maximum DC resistance of 7.5 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.

Substiute Parts

CDEP105-1R8MC-50

Sumida America Components Inc.In Stock: 917CDEP105-1R8MC-50 Datasheet

Current PartRFQ

CDEP105NP-1R8MC-50

Sumida America Components Inc.In Stock: 872CDEP105NP-1R8MC-50 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CDEP105-1R8MC-50 is determined by strict equivalence across the following critical parameters:

Electrical Parameters (Must Match Exactly):

• Inductance value: 1.8 µH
• Inductance tolerance: ±20%
• Current rating: 9 A minimum
• Saturation current: 13.8 A minimum
• DC resistance: 7.5 mOhm maximum

Mechanical & Physical Parameters (Must Match Exactly):

• Core type: Drum core, wirewound
• Core material: Ferrite
• Shielding: Shielded configuration
• Mounting type: Surface mount
• Package dimensions: 10.00 mm x 10.00 mm x 5.60 mm maximum height

Environmental & Compliance Parameters:

• Operating temperature range: -40°C to 125°C minimum
• Moisture sensitivity level: 1 (Unlimited)

Only components meeting all specified parameters within the stated tolerances qualify as direct substitutes.

Parameter Comparison

Engineering Selection Recommendations

The CDEP105NP-1R8MC-50 is the direct substitute for the obsolete CDEP105-1R8MC-50. Both components are manufactured by Sumida America Components Inc. within the CDEP105 series and share identical electrical and mechanical specifications.

Key Differentiation Factors:

Product Status: The CDEP105-1R8MC-50 is classified as obsolete, while the CDEP105NP-1R8MC-50 maintains active production status. For new designs and ongoing production requirements, the active substitute is the appropriate selection.

Regulatory Compliance: The CDEP105NP-1R8MC-50 is RoHS3 compliant, whereas the main part is RoHS non-compliant. Applications subject to RoHS directives or customer compliance requirements must use the substitute part.

Packaging Configuration: The main part is supplied in bulk packaging, while the substitute is available in Tape & Reel (TR) format. This difference affects procurement, handling, and automated assembly processes but does not impact electrical or mechanical performance.

Inventory Availability: The main part has 835 units in stock (obsolete status), while the substitute has 799 units in stock (active status). For long-term supply chain stability, the active substitute is preferred.

All other electrical, thermal, and mechanical parameters are identical between the two parts, ensuring direct functional equivalence in circuit applications.

Frequently Asked Questions (FAQ)

Q: Can the CDEP105NP-1R8MC-50 be used as a direct replacement for the CDEP105-1R8MC-50?

A: Yes. Both components are electrically and mechanically identical. They share the same inductance value (1.8 µH), current rating (9 A), DC resistance (7.5 mOhm max), core type (ferrite drum core), shielding configuration, and package dimensions (10.00 mm x 10.00 mm x 5.60 mm). The substitute is the recommended choice due to active production status and RoHS3 compliance.

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

A: The primary differences are product status, regulatory compliance, and packaging format. The CDEP105-1R8MC-50 is obsolete and RoHS non-compliant, supplied in bulk. The CDEP105NP-1R8MC-50 is active production, RoHS3 compliant, and supplied in Tape & Reel format. 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 have identical electrical specifications: 1.8 µH inductance at ±20% tolerance, 9 A current rating, 13.8 A saturation current, 7.5 mOhm maximum DC resistance, and 100 kHz test frequency. They operate across the same temperature range (-40°C to 125°C) and have identical moisture sensitivity levels.

Q: Does the Tape & Reel packaging affect circuit performance?

A: No. Packaging format affects procurement, storage, and assembly processes but does not impact electrical or thermal performance. The component itself is identical regardless of packaging configuration.

Q: Is the RoHS3 compliance of the substitute part important?

A: RoHS3 compliance is required for applications subject to European Union directives or customer specifications that mandate RoHS compliance. If your application or customer requires RoHS compliance, the CDEP105NP-1R8MC-50 must be used. The original part does not meet these requirements.

Q: Can I mix inventory of both parts in production?

A: From an electrical and mechanical standpoint, yes. However, mixing obsolete and active production parts introduces supply chain risk. It is recommended to transition fully to the active substitute (CDEP105NP-1R8MC-50) to ensure long-term availability and regulatory compliance.

Q: What is the saturation current specification used for?

A: The saturation current (Isat) of 13.8 A indicates the maximum current level before the inductor's core saturates and inductance degrades significantly. The 9 A continuous rating provides a safety margin below saturation for normal operation.