CDRR75NP-151MC Equivalent & Substitute Parts

Part Overview

The CDRR75NP-151MC is a 150 µH shielded surface mount inductor manufactured by Sumida America Components Inc. This fixed inductor is rated for 660 mA continuous current with a maximum DC resistance of 485 mOhm and operates across the temperature range of -40°C to 125°C. The component features ferrite core construction with nonstandard package dimensions (6.90mm × 6.90mm × 4.80mm) and is RoHS3 compliant with MSL 1 rating.

The CDRR75NP-151MC maintains Active product status. Substitute parts become necessary when addressing supply chain constraints, inventory availability, or when design requirements permit alternative electrical or mechanical specifications within acceptable tolerance bands.

Substiute Parts

CDRR75NP-151MC

Sumida America Components Inc.In Stock: 796CDRR75NP-151MC Datasheet

Current PartRFQ

LGJ7045TC-151M-D

TDK CorporationIn Stock: 1634LGJ7045TC-151M-D Datasheet

SimilarRFQ

LGJ7045TC-151M-H

TDK CorporationIn Stock: 2003LGJ7045TC-151M-H Datasheet

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SLF7045T-151MR40-PF

TDK CorporationIn Stock: 16158SLF7045T-151MR40-PF Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CDRR75NP-151MC is determined by strict alignment of the following critical parameters:

Primary Substitution Criteria:

• Inductance value: 150 µH (fixed requirement)
• Inductance tolerance: ±20% (fixed requirement)
• Core material: Ferrite (fixed requirement)
• Shielding: Shielded (fixed requirement)
• Mounting type: Surface Mount (fixed requirement)
• Inductance test frequency: 100 kHz (fixed requirement)

Secondary Compatibility Parameters:

• Current rating: Minimum 550 mA acceptable (CDRR75NP-151MC rated 660 mA)
• DC resistance: Maximum 485 mOhm acceptable (lower DCR preferred for thermal performance)
• Operating temperature: Minimum -40°C to 105°C acceptable (CDRR75NP-151MC operates to 125°C)
• Package dimensions: Nonstandard packages with similar footprint (6.90mm × 6.90mm base) acceptable
• RoHS3 compliance: Required
• MSL rating: 1 (Unlimited) required

Three substitute parts meet these criteria: LGJ7045TC-151M-D, LGJ7045TC-151M-H, and SLF7045T-151MR40-PF. All three maintain the 150 µH inductance, ±20% tolerance, ferrite core, shielded construction, surface mount configuration, and 100 kHz test frequency.

Parameter Comparison

Engineering Selection Recommendations

CDRR75NP-151MC (Primary Selection)

The CDRR75NP-151MC is the recommended primary component for new designs. It maintains Active product status, ensuring long-term availability and manufacturing continuity. The part delivers the highest current rating (660 mA) among the group, providing maximum design margin for applications requiring sustained current delivery. Operating temperature range extends to 125°C, supporting thermal-demanding environments.

LGJ7045TC-151M-D (Secondary Selection)

The LGJ7045TC-151M-D is suitable for applications where supply constraints on the primary part necessitate substitution. This TDK part carries AEC-Q200 automotive qualification, indicating enhanced reliability screening. The extended operating temperature range to 150°C accommodates higher-temperature applications. Current rating of 610 mA remains acceptable for most circuit designs. However, Obsolete product status indicates limited future availability; this part is appropriate only for immediate-term requirements or legacy system support.

LGJ7045TC-151M-H (Secondary Selection)

The LGJ7045TC-151M-H is functionally equivalent to LGJ7045TC-151M-D with identical electrical specifications and AEC-Q200 qualification. Operating temperature range matches the primary part at -40°C to 125°C. Obsolete product status applies the same availability constraints as LGJ7045TC-151M-D. Selection between these two TDK variants depends on packaging availability (Cut Tape & Digi-Reel® format).

SLF7045T-151MR40-PF (Tertiary Selection)

The SLF7045T-151MR40-PF is acceptable only for applications where current requirements do not exceed 550 mA continuous operation. The reduced current rating and lower saturation current (400 mA) limit applicability to lower-power circuit designs. DC resistance of 408 mOhm provides improved thermal performance compared to the primary part. Operating temperature range limited to 105°C restricts use in high-temperature environments. Not For New Designs status indicates this part is reserved for legacy system maintenance or replacement applications only.

Frequently Asked Questions (FAQ)

Q: Can LGJ7045TC-151M-D or LGJ7045TC-151M-H be used as direct replacements for CDRR75NP-151MC?

A: Yes, both TDK parts meet the critical substitution criteria: identical 150 µH inductance, ±20% tolerance, ferrite core, shielded construction, and surface mount configuration. Current ratings of 610 mA are acceptable for applications designed for 660 mA operation, provided circuit analysis confirms adequate margin. DC resistance values (480 mOhm) remain within acceptable limits. Package dimensions differ slightly (7.20 × 6.90 × 4.50 mm versus 6.90 × 6.90 × 4.80 mm); PCB layout verification is required to confirm mechanical fit.

Q: What is the difference between LGJ7045TC-151M-D and LGJ7045TC-151M-H?

A: Both parts are electrically and mechanically identical. The suffix designations (-D and -H) indicate different packaging or tape reel configurations supplied by TDK. Electrical performance, current ratings, DC resistance, and operating temperature ranges are equivalent. Selection depends on packaging format availability and supply chain requirements.

Q: Is SLF7045T-151MR40-PF suitable for high-current applications?

A: No. The SLF7045T-151MR40-PF is rated for 550 mA continuous current, which is 110 mA below the CDRR75NP-151MC specification. Saturation current of 400 mA is significantly lower than the primary part (360 mA). This part is appropriate only for applications where circuit design permits operation at or below 550 mA. Use in higher-current designs risks inductor saturation and circuit malfunction.

Q: Do all substitute parts meet RoHS3 compliance?

A: Yes. All three substitute parts—LGJ7045TC-151M-D, LGJ7045TC-151M-H, and SLF7045T-151MR40-PF—carry ROHS3 Compliant certification. All parts maintain MSL 1 (Unlimited) moisture sensitivity rating, eliminating special handling requirements.

Q: What is the impact of package dimension differences?

A: The CDRR75NP-151MC measures 6.90 × 6.90 × 4.80 mm. Substitute parts measure 7.20 × 6.90 × 4.50 mm (LGJ series) or 7.00 × 7.00 × 4.80 mm (SLF series). Length and width differences of 0.10 to 0.30 mm may require PCB footprint adjustment. Height differences of 0.30 mm are generally accommodated by standard PCB assembly processes. Design verification is required to confirm mechanical clearance in the target application.

Q: Why are LGJ7045TC-151M-D and LGJ7045TC-151M-H marked Obsolete?

A: Obsolete status indicates these parts are no longer in active production by TDK. Existing inventory may be available through authorized distributors, but long-term supply cannot be guaranteed. These parts are suitable for immediate replacement needs or legacy system support but should not be selected for new product designs requiring multi-year component availability.

Q: Should SLF7045T-151MR40-PF be used in new designs?

A: No. The SLF7045T-151MR40-PF carries Not For New Designs status, indicating TDK has discontinued active support for this part. It is reserved for maintenance and replacement of existing systems only. New designs must select from Active or Obsolete parts with confirmed availability through authorized channels.

Q: Are there any thermal performance differences between substitute parts?

A: Yes. DC resistance values differ: CDRR75NP-151MC (485 mOhm Max), LGJ7045TC-151M-D and LGJ7045TC-151M-H (480 mOhm), and SLF7045T-151MR40-PF (408 mOhm Max). Lower DC resistance reduces resistive heating at equivalent current levels. The SLF part offers superior thermal performance but is limited to 550 mA operation. For applications operating at 660 mA, the TDK LGJ series provides acceptable thermal characteristics with higher current capacity.

Q: What certifications apply to these parts?

A: The CDRR75NP-151MC carries no specific automotive or industrial certification. LGJ7045TC-151M-D and LGJ7045TC-151M-H are AEC-Q200 qualified, indicating compliance with automotive reliability standards. All parts are RoHS3 compliant and carry REACH Unaffected or REACH Unaffected status where specified. ECCN classification is EAR99 for all parts, indicating standard commercial export treatment.