Using SHT patented technologies such as our side gap and bank coil production methods, we offer choke coils with wound cores that incorporate grain oriented electrical steel for a wide range of applications.
Characteristics
Toroidal choke coils are taken to a new level using machines for coil winding!
- Molded core
- High quality, high-performance cores are manufactured in a single continuous process, from unspooling thin silicon steel sheet to monolithic molding.
- Side gap (patented manufacturing method)
- Transitioning to machines for winding toroidal choke coils is achieved through by adjusting the magnetic gap position in the coil assembly.
- Bank coils (patented manufacturing method)
- High function mechanical coil windings structurally suppress line potential differences, feature a high withstand voltage and low stray capacitance, and are free of layer short circuits.
- D-shaped cores (patented manufacturing method)
- Dual magnetic gap structure enables using wire diameters compatible with increasing the rated current range and reduces magnetic flux leakage, thereby reducing unit power loss and [electromagnetic?] noise affecting peripheral equipment.
- Multi-pitch lead forming
- Assures compatibility with the user's circuit board design.
- Compact design and low loss characteristics achieved while maintaining the outstanding performance of silicon steel toroidal cores.
- Automatic winding of bank coils using our proprietary production equipment.
- Improved product reliability
- Lower stray capacitance improves frequency characteristics
- Suppressing the electric potential difference between windings means a higher withstand voltage.
Structure
D-shaped choke coil construction
Configuration
Appearance
Superior magnetic flux leakage of D core with core insert compared with conventional toroidal core
Conventional
Magnetic simulation
Center gap (toroidal core)
D core
Magnetic simulation
2-stage gap (D core with core insert)
Applications
- Normal mode line filter choke coils for power circuits
- Choke coils for switching power output smoothing circuits
- Choke coils for power factor correction (PFC) circuits, and choke coils for high frequency drive circuits
Product data
Mass-produced product numbers and corresponding electrical characteristics and dimensions
DC superimposition characteristic (L–I at 1 kHz)
Appearance
Please feel free to ask about other products not shown. We can customize to your specifications.
Machine winding, 3-phase common mode choke coils
3-phase common mode choke coils wound by machine!
- Single strand machine windings for high current loads that cannot be wound by hand
- Winding configuration provides superior frequency characteristics
- Machine windings provide more stable quality
- Patented
Product data
Mass-produced product numbers and corresponding electrical characteristics and dimensions
Appearance
Impedance–frequency characteristic (Z–f)
