Ac Choke Coil
A Low Frequency Transformer for Control Boards
Wenzhou Mingyue Electric Co., Ltd. is based in Liushi Town, Yueqing City. We started manufacturing electrical equipment in 2019 and now have 7 years of experience. Our plant covers 1,000 square meters and has 20 employees. We have our own R&D team and can carry out product design independently. Our production complies with environmental requirements.
Before each unit leaves the factory, we test the voltage and current and inspect 100% of the products before packing. If goods are damaged during shipping, we repair or remake them. We provide a 5-year warranty. This DB-15W transformer is a low-frequency power unit we produce and can be used as an AC Choke Coil in various circuits.
EI Core and Multi-Winding Output
This is a DB-15W EI-type low-frequency power transformer with a rated capacity of 15VA. The core uses EI silicon steel sheets with good magnetic conductivity. The input is AC220V and supports both 50Hz and 60Hz. The red wire is the input. The output has multiple windings. One winding runs from 0V red to 12V blue, and the other runs from 12V yellow to 20V green. The output provides dual AC12V and dual AC20V.
The winding uses pure copper enameled wire for stable electrical performance. The insulation withstand voltage is AC2000V/1min. The structure uses an EI core with a metal shell and mounting bracket. Multi-color lead wires make the connections easy to identify.
Stable Power for Instruments
We support OEM and ODM services. The minimum order quantity is 30 units. Different models can be mixed in one order. If you provide drawings, we can manufacture according to them. Custom samples can be completed within one week. Both standard and customized products can be produced within one week. Our monthly output is valued at approximately 2 million yuan.
The AC Choke Coil uses a plug-in EI core. A metal shell protects the unit, and a mounting bracket secures it in place. Multi-color lead wires make identification easier. The working temperature ranges from -20°C to 85°C. It is mainly used in industrial control boards and instrument power supplies. It provides step-down and rectifier power supply functions and is commonly used as a low-frequency transformer in control circuits. The AC Choke Coil is suitable for these power supply applications.
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Product Parameters
|
Parameter |
Value |
|
Model |
DB-15W (15VA) EI-Type Low-Frequency Power Transformer |
|
Core |
EI Silicon Steel Sheet Core |
|
Input |
AC220V, 50/60Hz (Red Wire) |
|
Output |
Dual AC12V, Dual AC20V (0 Red–12 Blue, 12 Yellow–20 Green) |
|
Winding |
Pure Copper Enameled Wire |
|
Insulation Withstand Voltage |
AC2000V/1min |
|
Structure |
EI Core, Metal Shell, Mounting Bracket, Multi-Color Lead Wires |
|
Working Temperature |
-20°C–85°C |
|
Applications |
Industrial Control Boards, Instrument Power Supply Step-Down, Rectifier Power Supply |
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