Product Details
Electromagnetic Enameled Wire Toroidal Choke Coil
High-frequency transformers are power transformers whose working
frequency exceeds the intermediate frequency (10kHz). They are
mainly used as high-frequency switching power supply transformers
in high-frequency switching power supplies. They are also used as
high-frequency inverters in high-frequency inverter power supplies
and high-frequency inverter welding machines. Change the power
transformer. According to the working frequency, it can be divided
into several grades: 10kHz-50kHz, 50kHz-100kHz, 100kHz~500kHz,
500kHz~1MHz, and above 10MHz.
Common mode Choke, also known as Common mode Choke, is commonly
used to filter Common mode EMI signals in switching power supplies
of computers.In board card design, common-mode inductor also plays
the role of EMI filter, which is used to suppress the
electromagnetic wave emitted by high-speed signal line.
Applications
- Compact fluorescent lamp
- Television receiver
- Radio cassette player
- PC power supply
- Monitor,audio,VCD,DCD
- UPS
- The electronic apparatus
- The noise rejection
- Induction cooker,etc.
Feature
- High current capacity
- Low core loss at frequency
- High reliability, efficiency
- Small packaged size
- Operating Temperature: -30°C to +80°C
- Electrical Specifications at 20°C
NO | Item | Test pin | Test value | Condition |
1 | Inductance | N1=N2=N3=N4 | 680uH±30% | 1KHZ 0.3V |
2 | DC resistance | N1=N2=N3=N4 | 50 mΩ MAX | TH2511 |
3 | | | | |
Diagram
Company Profile
HEMEI is a leading manufacturer of electromagnetic signal coupling,
the domestic designer and manufacturer of magnetoelectric power
conversion technology, has been committed to promoting the progress
of signal coupling technology and passive power technology. The
main products are magnetic coupling amplifiers, wave traps, power
carrier signal coupling transformers, permalloy cores,
electromagnetic loop coils, CT power supply, open and close current
transformers and other products. Products are widely used in smart
home appliances, energy management systems, smart meter reading
systems, smart monitoring equipment, smart distribution equipment,
etc. We are the supplier of Qualcomm, Huawei Hisilicon, ST
Microelectronics, In addition, Permalloy and electromagnetic core
products have the largest market share in the power distribution
industry of the State Grid.
This power suply CT device is our newly developed product, which
can used on 100V-220kv AC transmission line, the new product can be
used as a continuously and stabely power supply device. Hemei also
offer customers personal services contains OEM, ODM and OPM. We
welcome sample order to test and check quality.