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High Power Stable KS225 Toroidal Inductor for Reliable Industrial Energy Storage
Place of Origin:
China
Brand Name:
CHIPSEN
Certification:
ISO9001:2015, IATF16949:2016, U/L, ROHS, CQC, CE, cUL
Model Number:
KS225
Minimum Order Quantity:
500pcs
Price:
＄3.5-5.8/pieces,1000-10000pcs
Packaging Details:
Partitioned export cartons + wooden pallets. Optimized for safe transit. Custom available.
Delivery Time:
7-14 work days (Negotiable)
Payment Terms:
T/T
Supply Ability:
2000pcs
Inquiry Now
Get A Quote
Specifications
Highlight Features
KS225 toroidal inductor industrial
,high power PFC inductor
,stable toroidal inductor energy storage
Certification:
ISO9001 2015, IATF16949 2016, ROHS, CQC, CE
Inductance:
Range 100uH-2.2mH
Working Frequency Range:
50Hz-200KHz
Output Current:
15A-60A
Components:
Magnetic Core, Copper Wire, Header Base
OEM/ODM:
Acceptable
Warranty:
5 Years
Highlight:
High Saturation Flux Density Low Core Loss & High Efficiency Zero Magnetostriction (No Audible Noise)
Product Description
High Power Stable KS225 Toroidal Inductor for Reliable Industrial Energy Storage
High-Power Magnetic Leader: KS225 Sendust Core Toroidal Power Inductor
Product Introduction & Strategic Selling Points
The KS225 Series Toroidal Inductor is a high-performance energy storage and filtering component engineered for the next generation of high-density power electronics. The "KS" designation signifies the use of premium Sendust (Kool Mu) magnetic powder cores, a specialized alloy of Iron, Silicon, and Aluminum known for its superior thermal stability and low-loss characteristics. The "225" code refers to the core's significant physical volume (standardized around a 2.25-inch outer diameter), which allows for massive energy storage in a compact footprint.
In modern industrial power systems—such as 10kW+ solar inverters or industrial motor drives—the inductor is often the most thermally stressed component. The KS225 is designed specifically to solve this bottleneck, providing a "soft saturation" curve that ensures system stability even during massive current surges.
As seen in the technical image, this unit features a Vertical/Horizontal Header Mounting System. Unlike standard toroids that rely solely on lead wires for support, the KS225 is mounted on a high-temperature resistant base with heavy-duty pins. This architecture provides two critical advantages: superior mechanical stability in high-vibration environments and a standardized footprint for automated PCB assembly. The winding uses oversized, high-purity oxygen-free copper (OFC) wire, which minimizes DC resistance and maximizes efficiency.
Whether you are designing for high-stakes medical equipment, aerospace power modules, or massive data center rectifiers, the KS225 represents the gold standard in power magnetism, delivering uncompromised performance and a decade-plus service life.
Strategic Selling Points
- Elite Sendust (Fe-Si-Al) Alloy Core: Offers significantly lower core losses than iron powder and a much higher saturation flux density than ferrites, ensuring peak efficiency across a wide frequency range.
- Soft Saturation Characteristic: Eliminates the risk of sudden inductance collapse during over-current events, protecting your switching semiconductors (IGBTs/MOSFETs) from catastrophic failure.
- Standardized Header Base Mounting: Features a rigid PCB-mount base that eliminates mechanical fatigue on solder joints and ensures perfect alignment during high-speed SMT/THT assembly.
- Zero Acoustic Noise: The high-tension winding and specialized resin bonding process eliminate magnetostriction-induced buzzing, making it ideal for quiet environments like medical clinics and offices.
- Advanced Thermal Management: The open toroidal structure facilitates natural convection, while the Class H (180°C) insulation allows for continuous operation in high-ambient industrial cabinets.
- Exceptional EMI Suppression: The closed-loop magnetic path inherently contains flux lines, drastically reducing radiated electromagnetic interference and simplifying EMC certification.
Detailed Technical Parameters & Engineering Insights
The KS225 series is defined by its massive current-handling capability and magnetic stability. The table below represents the industrial standard for this high-power series.
Detailed Specification Table (KS225 Series)
| Technical Parameter | Industrial Standard Specification |
|---|---|
| Product Model | KS225-High Power Toroidal Series |
| Core Material | Sendust (Fe-Si-Al) / Kool Mu |
| Inductance (L) | 100µH - 2.2mH (Customizable) |
| Rated Current (Irms) | 15A - 60A (Size & Winding Dependent) |
| Saturation Current (Isat) | 25A - 85A (Based on 20% Inductance Drop) |
| DC Resistance (DCR) | 3.5mΩ - 65mΩ (Optimized for Efficiency) |
| Operating Frequency | 10kHz - 500kHz (High-Speed Switching) |
| Core OD / Height | 57.2mm / 15.0mm (Standard Core Size) |
| Insulation Class | Class H (180°C) or Class N (200°C) |
| Mounting Configuration | Through-Hole (THT) with Rigid Header Base |
| Pin Configuration | 2-Pin / 4-Pin / Multi-Strand Available |
| Dielectric Strength | >2500V AC (Core to Winding) |
| Operating Temperature | -45°C to +125°C (Ambient + Self-Heating) |
Engineering Analysis of Parameters
For a power system designer, the Saturation Current (Isat) of the KS225 is its most valuable asset. While cheaper iron powder cores suffer from "thermal aging" (where losses increase over time), the Sendust core used in the KS225 is immune to this effect. This ensures that a power supply built today will have the same efficiency and safety margins 10 years from now.
The Low DCR values (typically in the single-digit milliohm range) are achieved through our precision winding technology, which maximizes the "Copper Fill Factor." By reducing the internal resistance, we ensure that energy is transferred to the load rather than wasted as heat within the inductor.
Furthermore, the Self-Resonant Frequency (SRF) is meticulously controlled. By optimizing the inter-winding capacitance through specialized spacing techniques, we ensure the inductor remains inductive well beyond the switching frequency of modern Silicon Carbide (SiC) or Gallium Nitride (GaN) power stages.
The Mechanical Footprint provided by the header base is also a technical parameter of high importance; it provides a fixed center-of-gravity, preventing the heavy magnetic component from damaging the PCB during shipping or under industrial vibration. Every KS225 unit undergoes rigorous ATE (Automatic Test Equipment) verification for L, Q, DCR, and Hi-Pot isolation, ensuring total compliance with your engineering requirements.
Product Features & Advanced Manufacturing Advantages
The KS225 Toroidal Inductor stands as a testament to Advanced Material Science and Precision Craftsmanship. The primary feature is the Distributed Air-Gap Sendust Core. Unlike ferrites that require a physical gap (which creates "fringing flux" and heat-generating eddy currents in the copper), Sendust cores have the air gap distributed microscopically throughout the alloy powder. This results in a virtually uniform magnetic field, drastically reducing AC losses and EMI. This "cool-running" characteristic is the secret to the KS225's ability to handle high-frequency ripple currents that would cause other inductors to overheat and fail.
Another significant feature is the Heavy-Duty Header Base System. As shown in the product image, the inductor is bonded to a flame-retardant, high-strength base. This is not merely a mounting aid; it is a critical reliability feature. High-power inductors are heavy, and in systems like EV chargers or industrial robots, vibration is a constant threat. The header base distributes the mechanical load across multiple rigid pins, preventing the copper leads from work-hardening and snapping. The pins are tinned for superior solderability, ensuring a low-resistance interface with the PCB that can sustain high-current density without localized "hot spots."
The Precision CNC Winding Process is a hallmark of our manufacturing excellence. For high-current applications, we often use multi-strand Litz wire or oversized solid copper wire. Our automated winding machines ensure that each turn is placed with perfect tension and spacing. This eliminates the risk of internal short circuits and ensures that the parasitic capacitance is minimized.
After winding, the unit undergoes a Vacuum Pressure Impregnation (VPI) process with high-grade electrical resin. This fills all internal voids, locking the winding and core into a monolithic structure that is moisture-proof, vibration-resistant, and thermally conductive.
Finally, the Total EMI Containment of the toroidal design is a major feature for system-level integration. In high-density power boards, magnetic noise from an inductor can interfere with sensitive control logic or wireless communication modules. The closed-loop magnetic circuit of the KS225 traps nearly all magnetic flux within the core itself. This "Self-Shielding" property simplifies the PCB layout process, as designers do not need to worry about large "keep-out" zones around the inductor. Choosing the KS225 means choosing a component that makes your entire system cleaner, quieter, and more robust.
Strategic Product Applications across Global Industries
The KS225 High-Power Inductor is a foundational component across the world's most demanding technical sectors. In the Renewable Energy and Smart Grid industry, it is a critical element in Solar Grid-Tie Inverters and Battery Energy Storage Systems (BESS). These systems must convert DC power from solar arrays into grid-quality AC power with efficiency ratings often exceeding 98%. The low-loss Sendust core of the KS225 is essential for meeting these efficiency targets, directly contributing to the global transition toward carbon neutrality. Its thermal stability ensures reliable operation in outdoor cabinets exposed to extreme temperature fluctuations.
In the Industrial Automation and Power Quality sector, the KS225 is used in high-capacity Motor Drives, Active Power Filters (APF), and Uninterruptible Power Supplies (UPS). In these environments, power quality is paramount. The KS225 acts as a massive "filter," smoothing out high-frequency noise and protecting sensitive factory robotics from electrical transients. The rigid header base is especially valued in this sector, as it allows the inductor to be securely mounted in industrial control panels that are subject to constant mechanical vibration from nearby heavy machinery.
The Electric Vehicle (EV) Infrastructure industry relies on the KS225 for its high power density and reliability. It is a staple in EV DC Fast Charging Stations (Level 3 Chargers) and On-Board Chargers (OBC). As charging speeds increase, the inductors must handle higher currents while remaining compact. The KS225 provides the perfect balance, allowing for rapid energy transfer without the need for massive, expensive cooling systems. Its automotive-grade durability ensures it can survive the 15-year life cycle required by the leading global EV manufacturers.
Lastly, in the Telecommunications and Enterprise Computing field, the KS225 supports the massive power requirements of 5G Base Stations and Data Center Servers. With the rise of AI and cloud computing, server power supplies are pushing toward 3kW and beyond. The KS225 provides the stable energy storage needed for these high-wattage power stages, contributing to a lower "Power Usage Effectiveness" (PUE) ratio for data center operators. Its silent operation and low EMI footprint are critical in these high-density server racks, ensuring that the power stage does not interfere with high-speed data transmission. The KS225 is truly the "magnetic muscle" behind the modern digital economy.
Company Introduction & Quality Assurance Standards
Company Introduction
Chipsen Electronics is a professional manufacturer specializing in high‑performance transformers and magnetic components, with more than 26 years of in‑depth manufacturing expertise in this industry.
Founded in 2000, Chipsen has grown steadily over decades. We now run 4 production bases, with strong manufacturing capacity, covering over 7,200 square meters and staffing over 400 skilled employees, which guarantees stable production capacity and fast order delivery for customers worldwide.
We hold authoritative certifications including ISO9001, ISO14001 and IATF16949. Our products are approved by UL Class B/F/H, CQC, RoHS and REACH. Up to now, we have obtained 36+ utility patents, supported by our robust in‑house R&D team. Our technical strengths enable us to deliver targeted solutions for temperature reduction, noise cancellation and coupled radiation conductivity.
Our product portfolio covers full‑range standard models. Meanwhile, we provide flexible custom development service — we can develop products strictly according to customer drawings or samples.
Committed to environmental‑friendly production and reliable qualified products, Chipsen aims to be a global trusted transformer and inductor supplier, delivering high‑efficiency, on‑demand solutions for global partners.
Company Advantages
- Full Service Customization: From concept to mass production, our engineering team provides rapid design support within 24 to 48 hours based on your drawings or specifications.
- Extensive Product Portfolio: 200+ product types including high frequency transformers, toroidal transformers, flyback transformers, inductors, filters, and common mode chokes, covering diverse industrial applications.
- Advanced Manufacturing Capability: Equipped with automated winding and assembly machines, improving efficiency by up to 8x while maintaining consistent product quality.
- Strict Quality Control System: 100% testing procedures including electrical performance, insulation, and reliability tests to ensure compliance with international standards.
- High Voltage & High Frequency Expertise: Specialized in 5KV to 40KV high voltage transformers and high-frequency power solutions with low loss, high efficiency, and low temperature rise.
- Flexible MOQ & Fast Lead Time: Support from prototype orders to bulk production with lead times as fast as 7 to 15 days.
- OEM/ODM Supported
- Competitive Factory Direct Pricing
- Strong R/D Team With Rapid Response
- Stable Supply Chain For Long Term Cooperation
- Export Experience Across Europe North America And Asia
Our Mission
To deliver reliable energy efficient transformer solutions that empower our customers products and enhance their market competitiveness worldwide.
Frequently Asked Questions
Q: How long does it take to prepare samples?
A: 3-5 days for new samples, 1 day for samples in stock.
Q: How are samples shipped?
A: When customers cover freight costs, we help choose the most economical shipping method.
Q: Do you provide technical support for customized products?
A: Yes, our strong R&D team provides free technical support for customizations in voltage, power, inductance, dimensions, core materials, and more.
Q: Do you accept flexible minimum order quantities?
A: We support flexible MOQ based on your industry and product requirements. Please share your application areas and estimated annual usage.
Q: Can you ensure proper packaging for large sea shipments?
A: Yes, we provide goods packed in strong export cartons, on wooden pallets, and shrink-wrapped for protection.
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