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13726661550
Flat wire current transformer
Low DC resistance, minimized parasitic capacitance, superior thermal performance — the ideal upgrade to traditional CMCs.
Compared to round-wire designs, flat wire delivers enhanced performance, higher current density (1.5–2.0×), and a more compact form factor (0.5–1.0× the volume).
It features a closed-loop magnetic design that reduces flux leakage and maintains stable, balanced impedance.
Fully automated winding ensures consistent quality, lower production costs, and improved efficiency.
Product Advantages
Compared to traditional round-wire windings, our flat-wire winding technology delivers significant improvements:
- Higher Current Density: 1.5–2.0 times greater current-carrying capacity per cross-sectional area, ideal for high-current applications.
- More Compact Design: Volume reduced by 30%–50%, optimizing space utilization.
- Lower Losses: Reduced DC resistance and minimized parasitic capacitance improve efficiency.
- Excellent Electromagnetic Performance: Closed magnetic path design minimizes flux leakage and ensures stable, balanced impedance.
- High-Reliability Manufacturing: Fully automated winding ensures consistent quality, reduces production costs, and enhances efficiency.
- Enhanced Insulation: High-performance insulation materials offer higher voltage endurance and extended service life.
Basic Parameters
| Item | Specification |
|---|---|
| Core & Wire | Rectangular closed core with auto-wound flat wire |
| Rated Voltage | AC / DC 80V – 280V |
| Withstanding Voltage | AC 2.0 kV, 60 sec |
| Insulation Resistance | 100 MΩ min. @ DC 500V |
| Flammability Rating | UL 94 V-0 |
| Operating Temperature | –40°C to +125°C (includes coil temperature rise) |
| Storage Temperature | –40°C to +125°C |
Typical Applications: High-frequency transformers, high-current inductors, new energy electric drive systems, premium power supplies, and more.
Product Series:
SQ Series
SMD Series
Temperature vs. Current Operating Curve:
SQ Series Common Mode Impedance vs. Attenuation Performance Curve:
Primary Applications:
The flat-wire transformer serves as a superior alternative to conventional common-mode chokes (CMCs) and is widely applicable across various power solutions, including: LCD TVs, power adapters, switching power supplies, ultra-slim LED power supplies, LED driver circuits, TP power supplies, industrial power supplies, computer power supplies, electric vehicles, solar energy systems, automotive electronics, industrial equipment, office automation devices, home appliances, digital products, inverters, and more.
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