Hubei Ruiyuan Electronic Co.,Ltd.
EFD Series EFD
Classification:
High power density and high efficiency
Multiple-output is available
Contact:
Features
● High power density and high efficiency
● Multiple-output is available
● Low height solution
● Operating frequency up to 500kHz
Applications
● Solar inverter,Server, Amplifier
● Network,POE,Router
● Elevator emergency power supply
● Electric vehicle charging pile
● Medical instrument power supply
● Variable-frequency drive
● Industrial power supply
● High end LED power supply
● High end charger and USB
● Smart home electronics
● Electrical power equipment
Parameter
efd transformer is a high-performance ferrite core transformer designed for efficient power conversion in modern electronic systems. It features compact structure, low core loss, and excellent electromagnetic compatibility, making it ideal for switching power supplies, adapters, LED drivers, and industrial control equipment. With advanced winding technology and high-quality materials, the transformer ensures stable output voltage, reduced energy loss, and long service life. Its optimized EFD core design allows better heat dissipation and higher power density, supporting miniaturized and lightweight electronic products. The product can be customized according to customer requirements such as inductance, voltage ratio, power rating, and mounting style, ensuring flexible integration into different circuit designs. It is widely used in consumer electronics, communication devices, medical equipment, and automation systems, providing reliable and efficient energy transfer in various demanding environments.
| Size | Fig |
A(Max) |
B(Max) |
C(Max) |
D(Nom) |
E(Nom) |
F(Nom) |
Pins(Optional) |
fsw(kHz) |
Power(W) |
| EFD15 | 1 | 16.0 | 17.2 | 9.0 | 3.75 | 13.75 | Φ0.6 | 4+4 | 100 | 10-15 |
| EFD20-1 | 1 | 21.5 | 21.5 | 11.5 | 5.0 | 17.5 | Φ0.6 | 4+4 | 100 | 20-30 |
| EFD20-2 | 2 | 21.5 | 21.5 | 11.5 | 3.75 | 17.5 | Φ0.6 | 5+5 | 100 | 20-30 |
| EFD25 | 2 | 26.0 | 27.0 | 16.0 | 5.0 | 22.5 | Φ0.8 | 5+5 | 100 | 30-60 |
| EFD30 | 3 | 31.0 | 32.2 | 17.5 | 5.0 | 27.5 | Φ0.8 | 6+6 | 100 | 50-100 |
QUALIFICATIONS
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.
Q
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.
FACTORY
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