Hubei Ruiyuan Electronics Co., Ltd.
SMD Power Inductors Series

Classification:
RoHS compliant.
Super low resistance, ultra high current rating.
Contact:
Features
● RoHS compliant.
● Super low resistance, ultra high current rating.
● High performance (l sat) realized by metal dust core.
● Frequency Range: up to 1MHz.
Applications
● PDA, notebook, desktop, and server applications.
● Low profile, high current power supplies.
● Battery powered devices.
● DC/DC converters in distributed power systems.
● DC/DC converters for field programmable gate array.
Parameter
SMD power inductors are compact, surface-mount components designed for efficient energy storage, filtering, and power management in modern electronic circuits. Engineered with high-quality magnetic materials and precision winding techniques, these inductors offer low DC resistance, high current handling, and excellent saturation characteristics, ensuring stable performance under varying load conditions. Ideal for use in DC-DC converters, voltage regulators, power supply modules, and automotive or consumer electronics, SMD power inductors provide reliable energy transfer and reduce electromagnetic interference (EMI) in compact electronic devices. Their surface-mount design supports automated assembly, improving production efficiency and consistency. Available in various sizes, inductance values, and current ratings, SMD power inductors allow designers to optimize circuit efficiency, minimize losses, and ensure thermal stability. High-quality SMD power inductors are designed to withstand harsh operating conditions, including temperature fluctuations, vibration, and mechanical stress, ensuring long-term reliability and performance in demanding applications.
Shapes

(Unit:mm)
| Part No. | A(Max) | B(Max) | C(Max) | D | E | F | G | H |
| SM0415 | 4.90 | 4.50 | 1.50 | 1.5±0.5 | 1.0±0.3 | 4.95 | 2.16 | 2.30 |
| SM0402 | 4.90 | 4.50 | 2.00 | 1.5±0.5 | 1.0±0.3 | 4.95 | 2.16 | 2.30 |
| SM0503 | 5.90 | 5.20 | 3.00 | 2.0±0.5 | 1.0±0.3 | 7.00 | 3.00 | 2.50 |
| SM0505 | 5.90 | 5.20 | 5.00 | 2.0±0.5 | 1.0±0.3 | 7.00 | 3.00 | 2.50 |
| SM0603 | 7.80 | 7.00 | 3.00 | 3.0±0.3 | 1.5±0.5 | 7.37 | 3.71 | 3.43 |
| SM1004 | 11.80 | 10.80 | 4.00 | 3.0±0.5 | 2.0±0.5 | 13.60 | 5.40 | 4.10 |
| SM1205 | 14.50 | 13.50 | 5.00 | 3.5±0.5 | 2.5±0.5 | 14.50 | 8.00 | 4.50 |
| SM1206 | 14.50 | 13.50 | 6.00 | 3.5±0.5 | 2.5±0.5 | 14.50 | 8.00 | 4.50 |
| SM1770 | 17.50 | 19.00 | 7.00 | 11.7±0.3 | 3.3±0.5 | 19.50 | 11.20 | 13.00 |
Keyword:
SMD Power Inductors Series
QUALIFICATIONS
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FAQ
Q
How do you maintain a long-term and good business relationship with us?
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A
We ensure consistent quality and competitive pricing to guarantee our customers' benefits.
We treat every customer as a friend, conducting business with sincerity and building friendships, regardless of their origin.
Q
What is your delivery time?
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A
Usually, it takes 7 to 15 days for order preparation after receiving your deposit, and shipment is generally completed within 20 days. For standard products, we always have stock available for immediate delivery. However, customized products require more time, depending on your order specifications.
Q
What are the payment terms?
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A
Typically, a 30% deposit is required in advance, and the remaining 70% balance should be settled before shipment. A 100% irrevocable letter of credit (L/C) at sight, under mutually agreed terms, is also acceptable.
Q
Can I put my label/logo on your products? Do you offer OEM services?
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A
Yes, we welcome all forms of cooperation. Ruixin can provide customized products based on customer requirements, and both OEM and ODM services are available.
Q
How do you ensure your product quality?
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A
We have extensive OEM experience serving both domestic trading companies and overseas clients. Our team includes experienced engineers, and we operate standardized production lines. All products comply with the ISO9000 quality system and are certified under the IATF 16949 system.
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Manufacturer or trading company?
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A
We are a manufacturer of nickel-zinc ferrite cores, manganese-zinc ferrite cores, inductors, and high-frequency transformers, with 18 years of experience. As a manufacturer, Ruixin is committed not only to providing high-quality, high-performance, and competitive products but also to on-time delivery and round-the-clock after-sales service.
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