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HomeProductsIntegrated Circuits (ICs)Specialized ICsNRS8040T100MJGJS
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NRS8040T100MJGJS -

Manufacturer Part Number
NRS8040T100MJGJS
Manufacturer
Allelco Part Number
32D-NRS8040T100MJGJS
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
14,710 pcs available, New & Original
Parts Description
DAC91001
Data sheet
-
Category
Integrated Circuits (ICs) > Specialized ICs
RoHs Status
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In stock: 14710

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Specifications

NRS8040T100MJGJS Tech Specifications
- NRS8040T100MJGJS technical specifications, attributes, parameters and parts with similar specifications to - NRS8040T100MJGJS

Product Attribute Attribute Value
Part Number NRS8040T100MJGJS
Package DAC91001
Description DAC91001
Stock Condition Get 14710 pcs available quantity at Allelco
Payment PayPal / TT / Credit Card / Western Union
Allelco Certifications ESD / ISO 9001 / ISO 13485 / ISO 28000
Product Attribute Attribute Value
Manufacturer -
RoHs Status -
Warranty 100% Perfect Functions
Transport port Hong Kong
Shipping by DHL / FedEx / UPS / TNT / SF Express
RFQ Email info@allelco.com

Frequently Asked Questions(FAQ)

What are the key electrical characteristics of the NRS8040T100MJGJS inductor, and how do they influence high-frequency circuit performance?
The NRS8040T100MJGJS is a 10 µH shielded power inductor with a current rating of 1.2 A saturation and 1.0 A RMS at 70°C. Its DC resistance (DCR) of approximately 0.15 Ω contributes to low conduction loss in continuous conduction mode applications such as DC-DC converters. At frequencies above 1 MHz, core losses increase due to ferrite material properties, which may reduce effective inductance. This behavior must be considered when designing switching regulators operating near or above 1 MHz, where core losses can impact efficiency and thermal performance.
How does the NRS8040T100MJGJS compare to other 10 µH inductors in terms of size and thermal management?
Compared to surface-mount inductors with similar inductance values, the NRS8040T100MJGJS occupies a larger footprint (8.0 mm x 4.0 mm), reflecting its higher power handling capability. However, this comes with increased parasitic capacitance and potential challenges in dense PCB layouts. Its shielded construction minimizes EMI compared to unshielded counterparts like some wirewound types, but the larger size may limit use in ultra-compact consumer electronics. Thermal performance is adequate for moderate switching frequencies up to 1 MHz, but sustained operation near 1.2 A requires careful layout to avoid localized heating.
Is the NRS8040T100MJGJS suitable for use in automotive-grade voltage regulators requiring high reliability?
While the NRS8040T100MJGJS is manufactured by an original factory and features a shielded structure for reduced electromagnetic interference, it lacks explicit automotive qualification (e.g., AEC-Q200). Designers should verify long-term stability under thermal cycling and vibration unless the manufacturer provides relevant certification data. For automotive applications, components with formal reliability testing are preferred, so alternative models with AEC-Q200 compliance should be evaluated if environmental stress exceeds industrial-grade thresholds.
What are the implications of using the NRS8040T100MJGJS in a buck converter with a 5V input and 1.5A load current?
In a buck configuration converting 5V to 3.3V at 1.5A, the inductor must handle ripple current without saturating. With a peak-to-peak ripple current of ~0.4A (assuming 30% ripple), the total current reaches 1.7A—exceeding the NRS8040T100MJGJS’s 1.2 A saturation threshold. This would cause core saturation, leading to rapid current rise, increased DCR heating, and potential failure. A smaller inductance or a higher-current-rated inductor should be selected instead to maintain stable operation within safe limits.
Can the NRS8040T100MJGJS be used in parallel configurations to increase current capacity?
Parallel connection of NRS8040T100MJGJS units is possible in theory, but it introduces challenges due to mismatched DCR and leakage inductance. Uneven current sharing may result in one device carrying more than its rated current, especially during transients. To mitigate this, tightly matched parts and careful layout with Kelvin connections are required. Given the availability of higher-current 8040-sized alternatives, paralleling may not offer sufficient benefit over selecting a single unit with greater current rating unless space constraints dominate.
How does self-resonant frequency affect the usability of the NRS8040T100MJGJS above 5 MHz?
Although the datasheet does not specify the self-resonant frequency (SRF), typical shielded ferrite inductors of this form factor have SRFs between 10–20 MHz. Operating near or beyond the SRF causes inductive reactance to drop sharply, turning the device into a capacitor-like element. This invalidates its intended filtering or energy storage role. In applications exceeding 5 MHz, such as RF coupling circuits, the NRS8040T100MJGJS is unsuitable unless the actual SRF is confirmed through measurement or detailed application notes from the manufacturer.
What layout considerations are critical when integrating the NRS8040T100MJGJS into a high-density PCB?
Due to its 8040 package size, the NRS8040T100MJGJS requires adequate copper pour and thermal relief to manage heat dissipation, especially under continuous load. Shielded inductors generate magnetic fields that couple into nearby traces; therefore, sensitive analog signals should be routed away from the component. Additionally, minimizing loop area between the inductor, switch, and output capacitor reduces EMI and improves noise immunity. Proper grounding of the shield terminal (if accessible) further enhances stability in mixed-signal environments.
Why might a designer choose the NRS8040T100MJGJS over a ceramic-based inductor despite lower Q-factor?
Ceramic chip inductors often exhibit higher Q and better high-frequency performance but are limited in inductance value and current handling. The NRS8040T100MJGJS offers significantly higher current capacity (1.2 A vs. typically <0.5 A in comparable small ceramics) and stable inductance across temperature, making it preferable in power stages where energy storage and saturation margin outweigh Q-factor concerns. It is ideal for applications requiring robust performance under variable loads rather than narrowband filtering.

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Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

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(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
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Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
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Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
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Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


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Certifications & Memberships

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  • ISO 9001: 2015
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NRS8040T100MJGJS


32D-NRS8040T100MJGJS

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