The main products are: all kinds of high frequency transformer (including transformer, switch power supply transformer and inverter converter network communication, patch type transformer, power adapter, transformers, driver transformers, matching transformers, voltage regulator power transformers, audio transformers, pulse transformers), filters, inductors, choke coils, autotransformer auto - transformers, audio transformers, low frequency transformer, high frequency transformer; Power transformer, aluminum wire transformer,PCB transformer, filling and sealing transformer; Step-up transformer, insulation withstand voltage tester AC25V/ 6.0kv; High voltage transformer; Control transformer, electronic transformer, wiring transformer; AHF power transformer; SMD transformer; Linear power transformer; Sealed transformer; R-type transformer; Inductance type (amorphous inductance, ferro-si-al inductance, mutual inductor); UV special transformer.
1. MECHANICAL DIMENSION(UNIT MM)
3. WINDING CONSTRUCTION
Insulation Between the winding
Wire tube for In & Out
Start winding in the middle
Start winding in the middle
4. ELECTRICAL PARAMETER
L(Inductance) : 1-2/3-4 15uH±10%(200KHZ/1V 25℃)
L(DC superposition): 1-2/3-4( 5A) 9.5uH Min 200KHZ/1V 25℃
Winding turn ratio and polarity: N1:N2 10:10(20KHZ/1V)
Direct current resistance:
1-2 15 mΩ MAX25℃
3-4 15 mΩ MAX
high-voltage insulation/safety regulation: 25℃
Winding resistance to winding resistance:500VDC 2mA 5S
Winding resistance to the core: 500VDC 2mA 5S
Voltage insulation between winding and magnetic core
Winding resistance to the core: 500VDC
Insulation resistance should be more than100MΩ
Working temperature: -40℃ - +125℃(Contains the temperature rise)
Heat resistance level: CLASS F
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.