1. Gnetic-Flux-Small Leakage Loss;
2. All Size, Low DC Resistance;
3. Toroidal Choke Coil;
4. RoHS, UL
Toroidal inductors
Feature:
. Small profile
. Large current
. Low resistance
. MPP, hi-flux, sendust/RF carbonyl, and iron power core
. For excellent EMI suppressor
. High frequency and low loss
. Common mode filter
. Toroidal inductor
. For excellent EMI suppressor
. High-frequency, low loss toroid common mode choke coils
. Toroid common-mode filter coils
. Toroidal common-mode inductor
. For SMPS application
. SMT and low profile available
. RoHS compatible (Pb free) versions available
Application: Computer systems, perpheral units, Nc machines, TV. VCRP
Primary advantage: 1)professional R&D teams 2) Excellent quality 3) Have competative price 4)Good after -sale service 5)RoHS
Electrical Characteristics
Rated Current: 2~30A
Inductance at 1KHz: 4~200uH
Direct Current Resistance: 9~118mΩ
Saturated Current: 3.5~20A
Withstand Resistance: 1 minute @ AC 2KV
Insulating Resistance: 100MΩ Minimum @ DC 500V
Operating Temperature Range: -25° C~80° C
Maximum Temperature: 120° C(Class E)
Bobbin Material: Flame resistance 94V-0
Features
Useful in wide variety of power conversion
Isolate AC frequency currents from certain circuit
Prevention of electromagnetic interference (EMI) and radio frequency interference (RFI) from power supply lines
Prevention of malfunctioning of electronic equipment
Suppress common mode noise
Low winding capacitance
Compact size and high performance
To start oscillation
Wide frequency range
RoHS compliant
Custom-made with various specification
Applications
Output smoothly in Power Supply
Chopper control
Output smoothly (LPF) in large current digital amplifier
Switching Mode Power Supply output smoothing circuit
Electromagnetic Interference (EMI) and Radio Frequency Interference (RFI) filter
Other oscillation circuits
Changzhou Southern Electronic Element Factory Co., Ltd. is located in China, with a long history. We enjoy convenient transportation by highway, railway and airway. It takes only one and half hours' Drive to Shanghai or Nanjing.
Our company was founded in 1989, and currently we employ more than 300 people, including 60 professional technicians, covering an area of 10, 000 square meters, with a construction area of more than 5000 square meters. Our main products are wirewound resistors, wirewound resistor fuses, membrane fuse resistors, fixed inductors, filters, ferrite transformers, ring-shaped coils, fuse dedicated energy-saving lamps and UL fuses. Our annual output is 200 million resistors, 200 million transformers, 100 million coils and 200 million fuses, which are mainly used for household appliances, communication equipment, energy-saving lamps, automation control devices (such as inverters), power equipment and facilities. Our products are exported to Europe, the United States and Southeast Asia. GE, OSRAM and PHILIPS are our customers.
Factory' S quality policy: "product quality, service in advance, customer satisfaction".
Environmental policy: "to comply with laws and regulations, pollution prevention, environmental awareness, continuous improvement of the environment".
