NRS5020T150MMGJ Equivalent & Substitute Parts

Part Overview

The NRS5020T150MMGJ is a 15 µH shielded drum core wirewound inductor manufactured by Taiyo Yuden, rated for 1.2 A continuous current with a maximum DC resistance of 198 mOhm. This component is classified as Not For New Designs, indicating it has been superseded in the manufacturer's product line. Identification of equivalent and substitute parts is necessary for applications requiring continued support, legacy system maintenance, or when the primary part becomes unavailable. Substitute parts must maintain electrical performance within the specified operating parameters while meeting compliance and packaging requirements.

Substiute Parts

NRS5020T150MMGJ

Taiyo YudenIn Stock: 2173NRS5020T150MMGJ Datasheet

Current PartRFQ

LSXND5050WKT150MMG

Taiyo YudenIn Stock: 904LSXND5050WKT150MMG Datasheet

DirectRFQ

74408942150

Würth ElektronikIn Stock: 151574408942150 Datasheet

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BWVF00505020150M00

Pulse ElectronicsIn Stock: 1042BWVF00505020150M00 Datasheet

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BWVF00505020150T00

Pulse ElectronicsIn Stock: 1084BWVF00505020150T00 Datasheet

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BWVS00505020150M00

Pulse ElectronicsIn Stock: 989BWVS00505020150M00 Datasheet

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BWVS00505020150T00

Pulse ElectronicsIn Stock: 910BWVS00505020150T00 Datasheet

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LMLP05B5M150CTAR

KYOCERA AVXIn Stock: 1149LMLP05B5M150CTAR Datasheet

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SDCH1V5020-150M-R

Eaton - Electronics DivisionIn Stock: 735SDCH1V5020-150M-R Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the NRS5020T150MMGJ are classified based on strict adherence to the following critical parameters:

Primary Substitution Criteria:

• Inductance value: 15 µH (exact match required)
• Inductance tolerance: ±20% or tighter
• Current rating: 1.2 A minimum
• DC resistance: 198 mOhm maximum
• Shielding: Shielded configuration
• Core material: Ferrite
• Operating temperature range: Must encompass -25°C to 125°C minimum
• Mounting type: Surface Mount
• RoHS compliance: ROHS3 Compliant

Direct Equivalent Category: Parts meeting all primary criteria with identical or superior electrical performance and active product status.

Compatible Substitute Category: Parts meeting all primary criteria with minor variations in package dimensions, DCR, or current rating that remain within acceptable operating margins for the application.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent - Recommended Primary Substitute:

LSXND5050WKT150MMG (Taiyo Yuden) is the direct equivalent substitute. This part maintains identical electrical specifications to the NRS5020T150MMGJ, including 15 µH inductance, 1.2 A current rating, 198 mOhm maximum DCR, and identical physical dimensions (4.90mm x 4.90mm x 2.00mm). The LSXND5050WKT150MMG carries Active product status, ensuring long-term availability and continued manufacturer support. Both parts are ROHS3 compliant with MSL 1 rating. This substitution requires no circuit redesign or PCB layout modification.

Compatible Substitutes - Secondary Options:

LMLP05B5M150CTAR (KYOCERA AVX) provides superior performance with reduced DC resistance (165 mOhm versus 198 mOhm maximum), matching the 1.2 A current rating and maintaining identical physical dimensions. This part is Active status with ROHS3 compliance and extended operating temperature range (-40°C to 125°C). The lower DCR reduces power dissipation in the application.

BWVS00505020150M00 and BWVS00505020150T00 (Pulse Electronics) are compatible substitutes with 15 µH inductance, 1.08 A current rating, and reduced DC resistance (190 mOhm). These parts feature extended operating temperature range (-55°C to 125°C) and Active product status. Package dimensions are 5.00mm x 5.00mm with 2.20mm height, requiring PCB layout verification for space constraints. The ±20% tolerance variant (M00) is preferred over the ±30% tolerance variant (T00) for tighter inductance control.

BWVF00505020150M00 and BWVF00505020150T00 (Pulse Electronics) offer similar electrical performance to the BWVS series with 195 mOhm DCR and 1.08 A current rating. The ±20% tolerance variant (M00) is preferred for inductance accuracy.

SDCH1V5020-150M-R (Eaton - Electronics Division) provides higher current rating (1.3 A) with semi-shielded configuration. DC resistance is 207 mOhm maximum, slightly exceeding the original specification. This part features extended operating temperature range (-40°C to 125°C) and Active status. Semi-shielded design may introduce different EMI characteristics compared to fully shielded alternatives.

74408942150 (Würth Elektronik) is a compatible substitute with 15 µH inductance and ±20% tolerance. The 1.1 A current rating is below the original 1.2 A specification, and DC resistance is 245 mOhm maximum, representing increased power dissipation. Physical dimensions are 4.80mm x 4.80mm with 3.00mm height, requiring PCB layout verification. This part carries Active status and ROHS3 compliance.

All substitute parts maintain ferrite core construction, surface mount configuration, and ROHS3 compliance. Selection should prioritize parts with Active product status for long-term supply assurance.

Frequently Asked Questions (FAQ)

Q: Can LSXND5050WKT150MMG be used as a direct replacement for NRS5020T150MMGJ without circuit modification?

A: Yes. LSXND5050WKT150MMG is a direct equivalent with identical inductance (15 µH), current rating (1.2 A), DC resistance (198 mOhm maximum), and physical dimensions (4.90mm x 4.90mm x 2.00mm). No circuit redesign or PCB layout changes are required.

Q: What is the primary difference between the Pulse Electronics BWVS and BWVF series substitutes?

A: Both series share identical electrical specifications for the 15 µH 1.08 A variants, including 190-195 mOhm DCR and ferrite core construction. The primary difference is product line designation. Selection between series should be based on availability and supplier preference, as electrical performance is equivalent.

Q: Why do some substitutes have lower current ratings than the original NRS5020T150MMGJ?

A: The Pulse Electronics BWVF and BWVS series are rated for 1.08 A continuous current, compared to the original 1.2 A rating. These parts remain compatible for applications operating below 1.08 A. For applications requiring the full 1.2 A rating, select LSXND5050WKT150MMG or LMLP05B5M150CTAR.

Q: What does the ±30% tolerance variant designation (T00) indicate, and should it be avoided?

A: The T00 designation indicates ±30% inductance tolerance, compared to ±20% for the M00 variant. For applications requiring tighter inductance control, the ±20% tolerance variant (M00) is preferred. The ±30% variant may be acceptable for less critical applications with wider inductance specifications.

Q: Are the Pulse Electronics substitutes with 5.00mm x 5.00mm footprint compatible with PCBs designed for the 4.90mm x 4.90mm original part?

A: The 5.00mm x 5.00mm footprint is slightly larger than the original 4.90mm x 4.90mm dimension. PCB layout verification is required to confirm adequate clearance and pad spacing. In most cases, the 0.1mm difference per side is accommodated by standard PCB design margins, but specific board layout review is necessary.

Q: How does the semi-shielded configuration of SDCH1V5020-150M-R differ from the fully shielded original part?

A: Semi-shielded inductors provide partial electromagnetic field containment compared to fully shielded designs. This configuration may result in different EMI characteristics and crosstalk behavior in the circuit. Applications sensitive to electromagnetic coupling should prioritize fully shielded alternatives such as LSXND5050WKT150MMG or LMLP05B5M150CTAR.

Q: What is the significance of the extended operating temperature range in substitute parts?

A: Several substitutes offer extended operating temperature ranges (-40°C to -55°C minimum versus -25°C for the original). Extended range provides additional design margin for applications operating in extreme temperature environments. This is a beneficial characteristic that does not restrict substitution in standard temperature applications.

Q: Why is LMLP05B5M150CTAR recommended despite different physical dimensions?

A: LMLP05B5M150CTAR maintains the same height (2.00mm) and similar footprint dimensions (5.00mm x 5.00mm) as the original part. The primary advantage is reduced DC resistance (165 mOhm versus 198 mOhm maximum), resulting in lower power dissipation and improved thermal performance. The slightly larger footprint requires PCB layout verification but is typically accommodated in standard designs.

Q: Are all substitute parts ROHS3 compliant and MSL 1 rated?

A: Yes. All substitute parts listed are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating, matching the original NRS5020T150MMGJ specifications. This ensures compatibility with standard PCB assembly processes and storage requirements.

Q: What is the recommended selection priority when multiple substitutes are available?

A: Priority selection order: (1) LSXND5050WKT150MMG for direct equivalence and identical specifications; (2) LMLP05B5M150CTAR for improved performance with reduced DCR; (3) BWVS00505020150M00 for extended temperature range and active status; (4) Other variants based on specific application requirements and availability constraints.