Shenzhen Dowis Electronics Co.,Ltd
| Payment Terms | T/T, L/C |
| Delivery Time | 3-4Weeks |
| Packaging Details | Carton Box |
| Model | DW2920 |
| Inductance Test | AT: 10KHz/0.1V L(3-5):9.0uH±10% |
| Leakage Test | AT: 100KHz/0.05V LK(3-5):250nH MAX tie(1+2,6+7+9+10) |
| The winding number phase test | AT: 20KHz 5V NP(3-5):16TS N(6-9):10TS±0.2TS tie(6+7,9+10) N(2-1):5TS±0.2TS |
| Resistace Test | AT: 25℃ DCR(3-5):34mΩ±20% DCR(2-1):77mΩ±20% DCR(6-9):21mΩ±20% tie(6+7,9+10) |
| HI-POT Test | AC 5mA/1SEC PIN3 TO PIN6 1875V tie(2+5,6+7) PIN1 TO PIN5 625V |
| Brand Name | Dowis |
| Model Number | EP Series |
| Certification | CE, UL, RoHs, ISO9001, 16949 |
| Place of Origin | CN |
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Product Specification
| Payment Terms | T/T, L/C | Delivery Time | 3-4Weeks |
| Packaging Details | Carton Box | Model | DW2920 |
| Inductance Test | AT: 10KHz/0.1V L(3-5):9.0uH±10% | Leakage Test | AT: 100KHz/0.05V LK(3-5):250nH MAX tie(1+2,6+7+9+10) |
| The winding number phase test | AT: 20KHz 5V NP(3-5):16TS N(6-9):10TS±0.2TS tie(6+7,9+10) N(2-1):5TS±0.2TS | Resistace Test | AT: 25℃ DCR(3-5):34mΩ±20% DCR(2-1):77mΩ±20% DCR(6-9):21mΩ±20% tie(6+7,9+10) |
| HI-POT Test | AC 5mA/1SEC PIN3 TO PIN6 1875V tie(2+5,6+7) PIN1 TO PIN5 625V | Brand Name | Dowis |
| Model Number | EP Series | Certification | CE, UL, RoHs, ISO9001, 16949 |
| Place of Origin | CN | ||
| High Light | EP13 Shielded Power Inductor ，Dowis Shielded Power Inductor ，Power Inductor SMD EP Series | ||
EP13 Shielded SMD Power Manufacture Customized DW2920
FEATURES:
1. Integrally molded power inductor using a metallic magnetic material.Magnetic shield type and low noise
2. It achieve large current,low Rdc,and compactness
3. Good performance in high-temperature environments with good DC superimposition characteristics
4. No Halogen,RoHS compliant
1. MECHANICAL DIMENSION (UNIT:MM)
2.WIDING CONSTRUCTION
3. PROCESS OF WINDING
| No | start PIN | end PIN | Diameter of copper wire (mm) | TS | Retaining Wall Tape | Tube | insulation tape | remark | |
| N1 | 3 | 5 | 0.35mm | 16 | / | / | 2TS | Equally wind | |
| N2 | 6,7 | 9,10 | 0.35mm*2P | 10 | / | / | 2TS | Tightly wind | |
| N3 | 2 | 1 | 0.21mm | 5 | / | / | 2TS | Evenly wind | |
| N4 | 3 | 5 | 0.35mm | 16 | / | / | 3TS | Equally wind | |
Note:
1). Bobbin has a hypotenuse of PIN1.
2).BOBBIN pin6-10 side winding, counterclockwise winding, that is, BOBBIN clockwise rotation.
3). All winding wires should be smooth, and the wires should not be knotted and skin broken.
4. ELECTRICAL SPECIFICATION
1). Inductance Test: AT: 10KHz/0.1V
L(3-5):9.0uH±10%
Leakage Test: AT: 100KHz/0.05V
LK(3-5):250nH MAX tie(1+2,6+7+9+10)
The inductance values above are standard or equivalent to HP-4284A.
2). The winding number phase test: AT: 20KHz 5V
NP(3-5):16TS
N(6-9):10TS±0.2TS tie(6+7,9+10)
N(2-1):5TS±0.2TS
The inductance values above are standard or equivalent to CH-310 METER.
3). Resistace Test: AT: 25℃
DCR(3-5):34mΩ±20%
DCR(2-1):77mΩ±20%
DCR(6-9):21mΩ±20% tie(6+7,9+10)
The inductance values above are standard or equivalent to CH-502B.
4). HI-POT Test: AC 5mA/1SEC
PIN3 TO PIN6 1875V tie(2+5,6+7)
PIN1 TO PIN5 625V
The inductance values above are standard or equivalent to VR-562.
Shenzhen Dowis Electronics Co., Ltd. is a professional manufacturer of electronic transformers, inductors, and filters integrating R&D, production, and sales. It is a national high-tech enterprise and has passed the IATF16949:2016 automotive industry quality management system certification, the product has passed the "UL""CQC" and other safety certifications. The products are widely used in communication equipment, new energy vehicles, industrial control equipment, high-power LED drives and other market areas. The industry has high visibility. In addition to the domestic market, but also exported to many countries in Europe and the United States.
In order to further expand production capacity, it has set up a special test area construction area in zhaoqing YueGui cooperation in 2018 of 14000 square meters of manufacturing center named ZhaoQing Sheng Xiang electronic technology co., Ltd. Its management technical team has rich experience in cooperating with customers from well-known domestic enterprises and overseas. The design of products can fully follow customer’s needs and services with a good quality control system, and it has been recognized by many famous enterprises as the core suppliers. We look forward to cooperating with you.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2008
Total Annual:
13,000,000.00-14,800,000.00
Employee Number:
480~500
Ecer Certification：
Active Member
Shenzhen Dowis Electronics Co., Ltd. is a professional manufacturer of electronic transformers, inductors, and filters integrating R&D, production, and sales. It is a national high-tech enterprise and has passed the IATF16949:2016 automotive industry quality management system cert... Shenzhen Dowis Electronics Co., Ltd. is a professional manufacturer of electronic transformers, inductors, and filters integrating R&D, production, and sales. It is a national high-tech enterprise and has passed the IATF16949:2016 automotive industry quality management system cert...
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