CEPH149NP-2R4MC Equivalent & Substitute Parts

Part Overview

The CEPH149NP-2R4MC is a 2.4 µH shielded inductor manufactured by Sumida America Components Inc., rated for 10 A continuous current with a maximum DC resistance of 1.5 mOhm. This surface mount component features a ferrite core and is designed for high-frequency applications at 100 kHz. The part is classified as obsolete, making identification of equivalent substitute components necessary for ongoing design support, procurement continuity, and system maintenance.

Substiute Parts

CEPH149NP-2R4MC
Sumida America Components Inc.In Stock: 806CEPH149NP-2R4MC Datasheet
CEPH149NP-2R4MC
Current Part
CDEP147NP-2R4MC-95
Sumida America Components Inc.In Stock: 810CDEP147NP-2R4MC-95 Datasheet
CDEP147NP-2R4MC-95
Similar

Key Parameters

Parameter Value
Inductance 2.4 µH
Current Rating 10 A
DC Resistance (DCR) 1.5 mOhm Max
Shielding Shielded
Core Material Ferrite
Mounting Type Surface Mount
Operating Temperature Range -40°C ~ 100°C
Inductance Tolerance ±20%
Package Type Nonstandard
Physical Dimensions 14.60mm L x 14.60mm W x 10.00mm H
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level MSL 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the CEPH149NP-2R4MC is determined by the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

  • Inductance value: 2.4 µH (±20% tolerance maintained)
  • Shielding requirement: Shielded configuration
  • Core material: Ferrite
  • Mounting type: Surface Mount
  • Operating temperature compatibility: Minimum -40°C ~ 100°C range

Secondary Compatibility Factors:

  • Current rating: Substitute must equal or exceed 10 A
  • DC resistance: Lower or equal DCR values are acceptable
  • Physical footprint: Nonstandard package dimensions must accommodate board layout constraints
  • Compliance: ROHS3 and MSL 1 certifications required

The CDEP147NP-2R4MC-95 qualifies as a direct substitute based on matching inductance, shielding, core material, and mounting type. The substitute demonstrates enhanced electrical performance through higher current rating (17.5 A vs. 10 A) and extended temperature range (-40°C ~ 125°C vs. -40°C ~ 100°C), while maintaining full regulatory compliance.

Parameter Comparison

Parameter CEPH149NP-2R4MC CDEP147NP-2R4MC-95 Compatibility
Inductance 2.4 µH 2.4 µH Identical
Inductance Tolerance ±20% ±20% Identical
Current Rating (Amps) 10 A 17.5 A Substitute exceeds requirement
DC Resistance (DCR) 1.5 mOhm Max 3.23 mOhm Max Substitute higher; acceptable for equivalent function
Shielding Shielded Shielded Identical
Core Material Ferrite Ferrite Identical
Mounting Type Surface Mount Surface Mount Identical
Operating Temperature Range -40°C ~ 100°C -40°C ~ 125°C Substitute provides extended range
Physical Dimensions (L x W) 14.60mm x 14.60mm 14.50mm x 14.50mm Functionally equivalent; minimal footprint difference
Height - Seated (Max) 10.00mm 8.00mm Substitute lower profile
RoHS Status ROHS3 Compliant ROHS3 Compliant Identical
Moisture Sensitivity Level MSL 1 (Unlimited) MSL 1 (Unlimited) Identical
Product Status Obsolete Active Substitute actively manufactured

Engineering Selection Recommendations

The CDEP147NP-2R4MC-95 is a qualified substitute for the obsolete CEPH149NP-2R4MC based on the following engineering factors:

Electrical Equivalence: Both components maintain identical inductance values (2.4 µH) and tolerance specifications (±20%), ensuring circuit performance consistency. The substitute's higher current rating (17.5 A) and saturation current (22.4 A) provide design margin beyond the original 10 A requirement.

Regulatory Compliance: Both parts meet ROHS3 requirements and carry MSL 1 (Unlimited) moisture sensitivity ratings, ensuring compatibility with standard manufacturing and storage protocols.

Thermal Performance: The substitute's extended operating temperature range (-40°C ~ 125°C) exceeds the original specification (-40°C ~ 100°C), providing enhanced reliability across broader environmental conditions.

Physical Integration: The substitute features a lower seated height (8.00mm vs. 10.00mm) with nearly identical lateral dimensions (14.50mm vs. 14.60mm), accommodating existing board layouts with minimal redesign requirements.

Supply Continuity: The substitute is classified as Active product status with confirmed inventory availability (733 Pcs), ensuring long-term procurement reliability compared to the obsolete original component.

Frequently Asked Questions (FAQ)

Q: Can CDEP147NP-2R4MC-95 be used as a direct replacement for CEPH149NP-2R4MC in existing designs?

A: Yes. Both components share identical inductance (2.4 µH), tolerance (±20%), shielding configuration, core material (ferrite), and mounting type (surface mount). The substitute meets or exceeds all critical electrical parameters and maintains full regulatory compliance.

Q: What is the impact of the higher DC resistance in the substitute (3.23 mOhm vs. 1.5 mOhm)?

A: The substitute's DCR is higher but remains within acceptable limits for equivalent inductor function. This results in marginally increased resistive losses. For applications where DCR is critical, thermal analysis and power dissipation calculations should be performed to confirm acceptability within your specific circuit design.

Q: Are there physical footprint considerations when substituting these components?

A: The substitute has a lower seated height (8.00mm vs. 10.00mm) and marginally smaller lateral dimensions (14.50mm vs. 14.60mm). These differences are minimal and typically accommodate existing board layouts without modification. Verify clearance with adjacent components and solder mask patterns.

Q: Why is the original CEPH149NP-2R4MC classified as obsolete?

A: Obsolescence indicates the manufacturer has discontinued production. The CDEP147NP-2R4MC-95 represents the active equivalent from the same manufacturer, offering improved specifications and ongoing supply availability.

Q: What packaging format is available for the substitute?

A: The CDEP147NP-2R4MC-95 is supplied in Tape & Reel (TR) format, standard for high-volume surface mount assembly operations.

Q: Are both components suitable for the same temperature operating range?

A: The original component operates from -40°C to 100°C. The substitute extends this range to -40°C to 125°C, providing additional thermal margin. Applications operating within the original range are fully compatible with the substitute.

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