Specifications
Brand Name :
Dowis
Model Number :
EM25, EM Series
Certification :
CE, UL, RoHs, ISO9001, 16949
Place of Origin :
CN
MOQ :
1000pcs
Payment Terms :
T/T, L/C
Delivery Time :
3-4Weeks
Packaging Details :
Carton Box
Description

EM25 High-Frequency Transformer Manufacturer Customized DW5668

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.

1. Drawing (Unit: mm)
EM25 High-Frequency Transformer Manufacturer Customized DW5668



2. Process of winding
EM25 High-Frequency Transformer Manufacturer Customized DW5668



3. Electrical Characteristics

NO. Item Test terminal Test value Test condition Test equipment
1 Inductance value L(3-1) 340uH±10% 100KHz 0.4V 25℃ TH-2816
/
2 Leakage value LK(3-1) short circuit 5+7 49uH±15% 100KHz 0.4V 25℃ TH-2816
LK(3-1) short circuit6+8 49uH±15%
LK(A-B) 50uH Max
3 Resistance strength Winding to winding / 5mA 1MIN CJ2670
4 Direct current resistance DCR(1-3) 0.14Ω MAX AT:25°C CH-502
DCR(5-7) 8.6mΩ MAX.
DCR(6-8) 8.6mΩ MAX
5 Insulation resistance 1 – 3 1600KHZ min DC 500V MF2511
6 Enameled wire grade CLASS H
7 Requirement of HSF Refer to Customer Environmental Management Material Standards List for implementation

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EM25 High-Frequency Transformer Manufacturer Customized DW5668

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Brand Name :
Dowis
Model Number :
EM25, EM Series
Certification :
CE, UL, RoHs, ISO9001, 16949
Place of Origin :
CN
MOQ :
1000pcs
Payment Terms :
T/T, L/C
Contact Supplier
EM25 High-Frequency Transformer Manufacturer Customized DW5668

Shenzhen Dowis Electronics Co.,Ltd

Active Member
5 Years
shenzhen
Since 2008
Business Type :
Manufacturer, Exporter, Seller
Total Annual :
13,000,000.00-14,800,000.00
Employee Number :
480~500
Certification Level :
Active Member
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