CDEP105MENP-R20PC Equivalent & Substitute Parts

Part Overview

The CDEP105MENP-R20PC is a 200 nH shielded inductor manufactured by Sumida America Components Inc., rated for 25 A continuous current with a maximum DC resistance of 1.15 mOhm. This component features a metal composite core, surface mount packaging in a nonstandard 11.00mm × 10.00mm footprint, and operates across the industrial temperature range of -40°C to 125°C.

The CDEP105MENP-R20PC is classified as obsolete. Locating equivalent or substitute components is necessary to support ongoing production requirements, field repairs, and design continuity for applications currently utilizing this inductor.

Substiute Parts

CDEP105MENP-R20PC

Sumida America Components Inc.In Stock: 954CDEP105MENP-R20PC Datasheet

Current PartRFQ

SCEP105H-R15

Signal TransformerIn Stock: 1172SCEP105H-R15 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CDEP105MENP-R20PC is evaluated based on the following critical electrical and mechanical parameters:

Electrical Compatibility Criteria:

• Inductance value within acceptable tolerance range for circuit operation
• Current rating sufficient to handle application load without saturation
• DC resistance compatible with power dissipation and thermal requirements
• Saturation current margin adequate for transient conditions
• Shielding classification maintained to prevent electromagnetic interference

Mechanical Compatibility Criteria:

• Surface mount technology compatibility
• Package footprint and height within board layout constraints
• Operating temperature range covering application environment

Regulatory Compliance:

• RoHS3 compliance maintained
• MSL rating compatible with assembly processes

The SCEP105H-R15 is identified as a substitute part based on alignment with these parameters within acceptable engineering tolerances.

Parameter Comparison

Engineering Selection Recommendations

Substitution Feasibility:

The SCEP105H-R15 is an active product available from Signal Transformer, addressing the obsolescence status of the CDEP105MENP-R20PC. Both components maintain ROHS3 compliance and MSL 1 ratings, ensuring compatibility with current manufacturing and assembly standards.

Parameter Deviations:

The SCEP105H-R15 exhibits the following deviations from the main part specification:

• Inductance is 150 nH versus 200 nH (25% reduction)
• Continuous current rating is 20 A versus 25 A (20% reduction)
• DC resistance is 2.6 mOhm versus 1.15 mOhm (126% increase)
• Inductance tolerance is ±30% versus ±25%
• Core material is wirewound versus metal composite
• Package dimensions are slightly smaller (10.40mm × 10.40mm versus 11.00mm × 10.00mm)

Selection Criteria:

Substitution of CDEP105MENP-R20PC with SCEP105H-R15 is appropriate when:

• Circuit design accommodates the 150 nH inductance value within tolerance stack analysis
• Application current requirements do not exceed 20 A continuous operation
• Increased DC resistance (2.6 mOhm) is acceptable for thermal and efficiency calculations
• PCB layout can accommodate the slightly modified footprint dimensions
• Wirewound core construction is compatible with application electromagnetic requirements

Substitution is not appropriate when the original 200 nH inductance value is critical to circuit function or when continuous current demands exceed 20 A.

Frequently Asked Questions (FAQ)

Q: Can SCEP105H-R15 be used as a direct replacement for CDEP105MENP-R20PC?

A: Direct replacement is not guaranteed. The SCEP105H-R15 has lower inductance (150 nH vs. 200 nH), lower current rating (20 A vs. 25 A), and higher DC resistance (2.6 mOhm vs. 1.15 mOhm). Substitution requires circuit analysis to confirm these parameter changes are acceptable for the specific application.

Q: What is the impact of the 150 nH inductance versus 200 nH?

A: The 25% inductance reduction affects impedance, filtering characteristics, and energy storage in the circuit. Applications sensitive to inductance value must perform circuit simulation or testing to validate performance with the lower value.

Q: Why is the DC resistance higher in the substitute part?

A: The SCEP105H-R15 uses wirewound construction versus the metal composite core of the CDEP105MENP-R20PC. This construction difference results in higher DC resistance, which increases power dissipation and heat generation. Thermal analysis is required for high-current applications.

Q: Are the package dimensions compatible?

A: The SCEP105H-R15 (10.40mm × 10.40mm × 5.60mm) is slightly smaller than the CDEP105MENP-R20PC (11.00mm × 10.00mm × 5.50mm). PCB footprint and clearance verification is necessary before substitution.

Q: Do both parts meet current compliance standards?

A: Yes. Both CDEP105MENP-R20PC and SCEP105H-R15 are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity ratings, ensuring compatibility with modern manufacturing and assembly processes.

Q: What is the availability status of each part?

A: CDEP105MENP-R20PC is obsolete with 859 pieces in current inventory. SCEP105H-R15 is an active product with 1122 pieces available, providing long-term supply continuity.

Q: Can the saturation current difference affect circuit performance?

A: The SCEP105H-R15 has a higher saturation current (55 A vs. 50 A). This provides additional margin for transient current spikes but does not negatively impact performance. The lower continuous current rating (20 A) remains the limiting factor for sustained operation.