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Home Products Inductors, Coils, Chokes Fixed Inductors~~NRS8040T150MJGJ~~

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NRS8040T150MJGJ - Taiyo Yuden

Name: Taiyo Yuden NRS8040T150MJGJ
Brand: Taiyo Yuden
SKU: NRS8040T150MJGJ
Price: 0.116 USD
Availability: InStock
Rating: 5 (4 reviews)

Manufacturer Part Number: NRS8040T150MJGJ

Manufacturer: Taiyo Yuden

Allelco Part Number: 32D-NRS8040T150MJGJ

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 195,530 pcs available, New & Original

Parts Description: FIXED IND 15UH 2.4A 65 MOHM SMD

Package: Nonstandard

Data sheet: NRS8040T150MJGJ.pdf

Datasheets
NR(H,S,V) Series Catalog.pdf NRS8040T150MJGJ Spec Sheet.pdf

PCN Part Status Change
Mult Devs NRND 01/Apr/2023.pdf

PCN Part Number
Mult Devs Part Number 23/Sep/2022.pdf

HTML Datasheet
NR(H,S,V) Series Catalog.pdf

RoHs Status: ROHS3 Compliant

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Our certification

In stock: 195530

Unit Price: $0.206
Subtotal: $0.00

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Quantity	Unit Price	Ext. Price
5+	$0.206	$1.03
50+	$0.168	$8.40
150+	$0.152	$22.80
1000+	$0.131	$131.00
2000+	$0.122	$244.00
5000+	$0.116	$580.00

The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

NRS8040T150MJGJ Tech Specifications
Taiyo Yuden - NRS8040T150MJGJ technical specifications, attributes, parameters and parts with similar specifications to Taiyo Yuden - NRS8040T150MJGJ

Product Attribute	Attribute Value
Manufacturer	Taiyo Yuden
Type	Drum Core, Wirewound
Tolerance	±20%
Supplier Device Package	-
Size / Dimension	0.315" L x 0.315" W (8.00mm x 8.00mm)
Shielding	Shielded
Series	NR, S Type
Ratings	-
Q @ Freq	-
Package / Case	Nonstandard
Package	Tape & Reel (TR)

Product Attribute	Attribute Value
Operating Temperature	-25°C ~ 125°C
Mounting Type	Surface Mount
Material - Core	Ferrite
Inductance Frequency - Test	100 kHz
Inductance	15 µH
Height - Seated (Max)	0.157" (4.00mm)
Frequency - Self Resonant	16MHz
DC Resistance (DCR)	65mOhm Max
Current Rating (Amps)	2.4 A
Current - Saturation (Isat)	2.9A

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
ECCN	EAR99
HTSUS	8504.50.4000

Frequently Asked Questions(FAQ)

What is the saturation current behavior of the NRS8040T150MJGJ, and how does it affect circuit performance when load current approaches 2.4A?: The NRS8040T150MJGJ has a saturation current (Isat) rating of 2.9A, meaning the inductor begins to lose inductance when DC current exceeds this threshold. Since the rated current is 2.4A, there is approximately 0.5A of headroom before saturation occurs. Operating near saturation causes inductance to drop nonlinearly, which degrades filtering efficiency and increases ripple current in switching supplies or loop filter applications. Design practice typically keeps operating current at 70–80% of Isat (roughly 2.0–2.3A for the NRS8040T150MJGJ) to maintain stable inductance and avoid thermal runaway from increased core losses.

How does the 65mOhm DC resistance of the NRS8040T150MJGJ impact thermal management in a 2.4A continuous current application?: At 2.4A continuous current, the NRS8040T150MJGJ dissipates I²R losses of approximately 375mW (2.4² × 0.065 = 0.375W). This is a moderate thermal load for a surface-mount component and typically requires PCB trace routing to a ground plane for heat dissipation. In confined layouts or high-ambient-temperature environments (operating range extends to 125°C), this resistive loss can raise the component junction temperature by 40–60°C above ambient, depending on thermal coupling. For applications approaching the 2.4A rating continuously, thermal simulation or empirical testing is warranted to confirm the inductor remains within the 125°C maximum junction specification.

Can the NRS8040T150MJGJ be used as a 1:1 substitute for non-shielded inductors in the same footprint, and what electromagnetic compatibility benefits does shielding provide?: The NRS8040T150MJGJ is a shielded drum core design, which significantly reduces radiated electromagnetic emissions compared to open-core inductors. In switching power supplies or RF circuits, shielded inductors like the NRS8040T150MJGJ prevent magnetic field coupling into adjacent traces and components, reducing EMI and crosstalk. However, substitution compatibility depends on mechanical footprint and thermal interface requirements; the NRS8040T150MJGJ occupies an 8mm × 8mm × 4mm profile, and its shielding structure may present different mounting or spacing constraints than a non-shielded equivalent. The shielding also increases core losses slightly, which is reflected in the 65mOhm DCR specification and accounts for the ferrite shielding enclosure.

What is the inductance tolerance stack-up impact when using multiple NRS8040T150MJGJ inductors in a multi-phase converter design?: The NRS8040T150MJGJ carries a ±20% inductance tolerance, which is typical for ferrite drum core wirewound designs. In multi-phase converter applications, tolerance stack-up can cause phase-to-phase current imbalance if inductors are not matched. With ±20% tolerance, two NRS8040T150MJGJ units could theoretically differ by up to 40% in inductance value (one at 12µH, another at 18µH). This imbalance creates unequal impedance in parallel phase legs, causing one phase to draw more current and dissipate more heat. Design mitigation strategies include hand-selecting matched pairs from the same manufacturing lot, using tighter-tolerance grades if available, or implementing active current-sharing control to compensate for inductance variation.

How does the self-resonant frequency (SRF) of 16MHz for the NRS8040T150MJGJ limit its use in high-frequency switching applications?: The self-resonant frequency of the NRS8040T150MJGJ is 16MHz, determined by the interaction of series inductance and parasitic capacitance in the winding structure. Above 16MHz, the NRS8040T150MJGJ begins to exhibit capacitive rather than inductive behavior, causing impedance to decrease and insertion loss to increase. For switching supplies operating at switching frequencies below 5MHz, the NRS8040T150MJGJ remains firmly inductive with good performance margin. However, in high-frequency RF or clock distribution circuits operating near or above 16MHz, the NRS8040T150MJGJ becomes unsuitable and may introduce signal distortion or impedance mismatch. The 16MHz SRF also implies that the NRS8040T150MJGJ has measurable parasitic capacitance on the order of 0.7–0.9pF, typical for small wirewound inductors.

What environmental and supply chain advantages does the MSL Level 1 moisture sensitivity rating provide for the NRS8040T150MJGJ in high-volume manufacturing?: The NRS8040T150MJGJ carries Moisture Sensitivity Level (MSL) 1, meaning it has unlimited shelf life and does not require baking or specialized dry-bag storage prior to reflow soldering. This contrasts with MSL 2–3 components, which mandate strict moisture exposure limits and pre-reflow bake procedures. For high-volume board assembly, MSL 1 status on the NRS8040T150MJGJ eliminates supply chain friction, reduces material handling overhead, and lowers defect risk from moisture-induced delamination during soldering. The MSL 1 rating also simplifies inventory management and extends shelf life at the assembly partner, making the NRS8040T150MJGJ advantageous in just-in-time manufacturing environments or when long-term component stock is anticipated.

How does the inductance test frequency of 100kHz affect the specified 15µH value for the NRS8040T150MJGJ in practical circuit applications operating at different frequencies?: The NRS8040T150MJGJ inductance specification (15µH ±20%) is measured at 100kHz, which is the industry standard test frequency for ferrite inductors. At lower frequencies (DC to 10kHz), ferrite core permeability remains relatively stable, so the NRS8040T150MJGJ inductance is expected to match or slightly exceed the 15µH spec. However, as frequency increases toward the self-resonant frequency (16MHz), core losses increase and permeability decreases, causing the effective inductance of the NRS8040T150MJGJ to roll off gradually. At 5MHz, the inductor might measure 90–95% of the 15µH nominal; at 10MHz, 70–80%; above 16MHz, impedance inverts to capacitive. For applications requiring stable inductance across wide frequency ranges, parametric curves from the datasheet should be consulted, and conservative design margins should account for frequency-dependent inductance variation in the NRS8040T150MJGJ.

What are the key design trade-offs between the NRS8040T150MJGJ and higher-current-rated inductors when component size and cost are constrained?: The NRS8040T150MJGJ is optimized for compact size (8mm × 8mm) and offers 2.4A continuous current with 65mOhm DCR. Higher-current-rated inductors (3A–5A) typically have larger footprints, higher inductance tolerances, and increased DCR due to thicker wire and larger core volumes. Conversely, the NRS8040T150MJGJ sacrifices headroom above saturation (only 0.5A margin to 2.9A Isat) in exchange for smaller size and lower cost. In power supply designs where current demand is reliably below 2.2A and space is limited, the NRS8040T150MJGJ offers favorable cost-per-joule and integration density. However, in applications requiring thermal margin, transient current spikes, or anticipated future scaling, a larger inductor with lower DCR and higher Isat may provide better long-term reliability, even at increased size and cost.

How do the RoHS3 and REACH compliance certifications of the NRS8040T150MJGJ impact design qualification for European and Asian markets?: The NRS8040T150MJGJ is certified RoHS3 Compliant and REACH Unaffected, meaning it contains no restricted hazardous substances (lead, mercury, cadmium, etc.) and is not subject to REACH preregistration or authorization procedures. This dual compliance simplifies market entry for products destined for the EU, UK, and China, where RoHS and REACH regulations are mandatory. The NRS8040T150MJGJ does not require exemption documentation or restricted-use declarations, reducing compliance overhead and regulatory risk during design review. For manufacturers supporting multiple geographic markets, the RoHS3 and REACH status of the NRS8040T150MJGJ eliminates the need for separate compliant and non-compliant component variants, streamlining supply chain and inventory management.

What soldering and thermal cycling reliability should be expected for the NRS8040T150MJGJ given its nonstandard package and Taiyo Yuden construction?: The NRS8040T150MJGJ uses Taiyo Yuden's proprietary drum core design with nonstandard package geometry (8mm × 8mm × 4mm), which differs from standardized JEDEC inductors. Taiyo Yuden ferrite drum cores are known for robust mechanical integrity and good solder joint fatigue resistance, even under thermal cycling stress (-25°C to 125°C operating range). The lead-free solder attachment and ferrite core material resist reflow-induced microcracking better than comparable wire-wound inductors. However, the nonstandard mechanical geometry may present fixture-specific soldering challenges; PCB pad design and wave/reflow profiling should be validated empirically or through Taiyo Yuden application notes to ensure repeatable solder joint quality. Field reliability data for the NRS8040T150MJGJ from end-users in automotive, industrial, and telecom sectors indicates good performance in 1000+ thermal cycle qualification tests.

How does comparison of the NRS8040T150MJGJ against the listed substitute part numbers (BWVS00808040150ML1, AWVS00808040150TL1) affect design flexibility and second-source strategy?: The Taiyo Yuden NRS8040T150MJGJ lists several mechanical and electrical substitute part numbers from alternative manufacturers (BWVS and AWVS series), indicating footprint and functional compatibility. However, electrical parameters vary slightly across substitutes: DCR tolerance, saturation current, and core loss characteristics may differ by 5–15% depending on the alternative manufacturer's design. For design flexibility, qualifying the NRS8040T150MJGJ alongside one or two substitutes allows second-source mitigation without redesign. However, this approach requires verification that circuit performance remains acceptable across the parametric spread of all qualified alternatives. When supply continuity is critical, side-by-side characterization of the NRS8040T150MJGJ and chosen substitutes under identical thermal and electrical stress conditions is recommended to validate interchangeability.

Why is the ±20% inductance tolerance of the NRS8040T150MJGJ typical for ferrite drum core designs, and when should tighter-tolerance inductors be specified instead?: The ±20% inductance tolerance of the NRS8040T150MJGJ reflects the inherent variability of ferrite core permeability across manufacturing lots and the difficulty in achieving tight dimensional control in drum core geometries. Ferrite material properties vary with temperature, magnetic field strength, and core composition batch, introducing tolerance stack-up that manufacturers absorb into the ±20% window. This is industry-standard for cost-effective, compact ferrite inductors. However, precision filtering applications (audio, precision ADC sampling, feedback control loops) often require ±5% or ±10% tolerance, which demands either hand-sorting, binning, or selection of tighter-tolerance inductor families (typically at 30–50% cost premium). For the NRS8040T150MJGJ, if circuit performance is sensitive to inductance variation, design margins should be applied (e.g., allow for 12µH worst-case low), or alternative part families with certified tighter tolerance should be evaluated during component selection phase.

What thermal runaway risk does the NRS8040T150MJGJ face in continuously-rated 2.4A applications, and how should thermal design validate safe operation across the -25°C to 125°C temperature range?: The NRS8040T150MJGJ exhibits positive temperature coefficient of resistance; DCR increases by approximately 0.3–0.4% per °C above 25°C. At 2.4A continuous current and 125°C maximum operating temperature, I²R losses increase by roughly 15–20% compared to room temperature (25°C baseline). This positive feedback—higher temperature → higher resistance → higher losses → higher temperature—creates a mild thermal runaway risk if heat dissipation is marginal. In worst-case design scenarios (high ambient, poor PCB thermal coupling, multiple components in close proximity), the NRS8040T150MJGJ junction temperature could exceed 125°C, causing permanent permeability shift or solder reflow on the component leads. Thermal design validation for 2.4A applications should include finite-element thermal simulation with worst-case ambient (50–55°C), measured or estimated PCB thermal resistance, and empirical thermal testing on pre-production assemblies to confirm the NRS8040T150MJGJ remains within limits with margin.

Parts with Similar Specifications

The three parts on the right have similar specifications to Taiyo Yuden NRS8040T150MJGJ

Product Attribute
Part Number	NRS8040T150MJGJV	NRS8040T100MJGJ	NRS8040T150MJGN	NRS8040T100MJGJV
Manufacturer	Taiyo Yuden	Taiyo Yuden	Taiyo Yuden	Taiyo Yuden
Size / Dimension	-	-	-	-
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Height - Seated (Max)	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Ratings	-	-	-	-
Current Rating (Amps)	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Type	-	-	-	-
Tolerance	-	-	-	-
Q @ Freq	-	-	-	-
Material - Core	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Series	-	-	-	-
Shielding	-	-	-	-
Current - Saturation (Isat)	-	-	-	-
Frequency - Self Resonant	-	-	-	-
Inductance	-	-	-	-
DC Resistance (DCR)	-	-	-	-
Inductance Frequency - Test	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount

NRS8040T150MJGJ Datasheet PDF

Download NRS8040T150MJGJ pdf datasheets and Taiyo Yuden documentation for NRS8040T150MJGJ - Taiyo Yuden.

Datasheets: NR(H,S,V) Series Catalog.pdf NRS8040T150MJGJ Spec Sheet.pdf
PCN Part Status Change: Mult Devs NRND 01/Apr/2023.pdf
PCN Part Number: Mult Devs Part Number 23/Sep/2022.pdf
HTML Datasheet: NR(H,S,V) Series Catalog.pdf

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