R-Core Silicon Steel Core
| Product Attributes | Supply Capacity and Additional Information | Packaging and Delivery |
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| Product Attributes | Supply Capacity and Additional Information | Packaging and Delivery |
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Compact Size & Lightweight: Thanks to the uncut winding process and high-permeability material, it is about 30% smaller and 40% lighter than EI transformers, making it ideal for high-density installations.
Low Loss & High Efficiency: The continuous magnetic circuit without cuts minimizes magnetic resistance, significantly reducing iron loss and eddy current loss. Energy transfer efficiency typically exceeds 90%.
Minimal Leakage Flux: With no magnetic gaps and balanced windings, magnetic flux is almost entirely confined within the core. Leakage flux is less than 1/10th of E-type transformers, eliminating the need for additional shielding.
Low Noise & Low Temperature Rise: The uncut structure easily absorbs magnetostrictive stress, ensuring noiseless operation. The uniform circular cross-section ensures equal length for each coil turn, resulting in low internal resistance, low copper loss, and minimal heat generation.
High Safety Factor: Primary and secondary coils are typically wound separately on flame-retardant PBT engineering plastic bobbins, providing excellent insulation and high dielectric strength.
Any high-quality specification of CMC coil inductor — Support Customization
Note: Other dimmension and performance can be customized
R-Core Silicon Steel Core
An R-Core Silicon Steel Core is manufactured using high-grade cold-rolled oriented silicon steel strips, formed through a continuous winding process that creates a unique circular cross-section without any cutting or joints. It serves as the fundamental magnetic component for high-efficiency transformers and inductors, offering superior magnetic circuit continuity. Featuring extremely low iron loss, high magnetic flux density, and minimal excitation current, it effectively reduces energy waste and heat generation, meeting the stringent efficiency standards of modern power electronics. Customized dimensions and electrical parameters are available to optimize transformer performance and size.
Features and Advantages
Superior Magnetic Efficiency: The continuous, uncut grain-oriented structure ensures a closed magnetic circuit with no air gaps, resulting in significantly lower iron loss and higher efficiency compared to traditional EI or C-cores.
Compact & Lightweight Design: The circular cross-section allows for optimal space utilization within the coil winding area, enabling transformers to be smaller and lighter while maintaining the same power rating.
Low Noise & Vibration: The symmetrical racetrack shape and tight winding structure minimize magnetostriction effects, leading to exceptionally quiet operation and reduced mechanical hum.
High Saturation Flux Density: Capable of handling high magnetic flux densities (up to 1.9T), allowing for higher power density designs suitable for demanding industrial and audio applications.
Flexible Customization: Fully customizable outer dimensions, inner window sizes, and stacking thicknesses to fit specific chassis requirements; compatible with automated winding processes for mass production.
R-Core silicon steel cores are widely used in high-fidelity audio transformers, precision instrument transformers, medical equipment power supplies, UPS systems, industrial control transformers, and high-efficiency switching power supplies
Frequently Asked Questions
Question: What information do I need to provide during the consultation?
Answer: To provide you with the most accurate response, we recommend that you include relevant product information when you make your inquiry, such as: Model, dimensions, technical specifications, required quantity, etc. 。
Question: How long does it take to produce a sample?
Answer: The preparation time for standard samples is typically 1–3 business days 。
Question: What is the product’s delivery lead time?
Answer: For standard in-stock items, the shipping time is approximately 3–10 days . If you require a custom design, we will, upon confirmation of your requirements, Arrange production as soon as possible. and synchronize the specific production schedule with you.
Q: What is the minimum order quantity (MOQ)?
Answer: We support flexible ordering with no strict minimum order quantity. Specific terms can be negotiated based on your product dimensions and design, and we are committed to meeting a wide range of procurement needs.
Q: What payment methods are supported?
Answer: We accept a variety of international payment methods, including Telegraphic Transfer (T/T), PayPal, Letter of Credit (L/C), Documents against Acceptance (D/A), and Documents against Payment (D/P) Different regions may have different applicable procedures; please feel free to inquire for further information.
Question: If you have any other questions, how should you contact us?
Answer: You can Email, phone call, or online message Please contact us at any time, and we will respond to you as soon as possible.
Question: Select Good friend What is the reason?
Answer: (1) Our products enjoy a strong reputation in both domestic and international markets, Quality widely recognized ；
(2) Possess More than 8 years With extensive export experience, we have a deep understanding of international customer needs and provide professional services.
(3) Commitment On-time delivery , ensuring an efficient and reliable supply chain.