Transformers

EPC19 EPC Series High-Frequency Transformer Customized Manufacture DW6154 Feature of Different Transformer EE Transformer applied in the switching power supply,main power transformer EF Transformer applied in the switching power supply,main power transformer EFD Transformer Auxiliary powr transformer,main power transformer,choke coils EPC Transformer Auxiliary powr transformer,main power transformer PQ Transformer applied in the linear filter,choke,pulse transformer,drive transformer UU Transformer varieties of switching power supply transformer,coke coils et EC/EER/ER Transformer applied in the linear filter ,current tranformer,smoothing choke coil,drive transformer, switching power transformers and chokes RM Transformer filters, inductors and transformers for telecommunication other electronic equipment POT Transformer filters for telecommunication equipment,and various kinds of inductors and transformers DR Core Choke coils, Peaking coils, Linearity coils, Alarm coils, Power choke coils, Fixed choke coils, Filtering coils,etc; EI Transformer Various kinds of transformers and chokes. TOROIDAL core Pulse and wide-band transformers, various types of filters, inductors and chokes. 1. Drawing (Unit:mm) EPC19 240V 12V 19V 50W 70W HF Transformer High Frequency Current Customized 0 2. Environmental Conditions Storage Temperature: -40--85˚C； Enviornmental Temperature: -40--85˚C; Operating Temperature: 130˚C MAX; Relative Humidity: 5%-95%; Long Term Durability Test. 3. Electrical Specification Item Unit Test Lead Test Condition MIN NOR MAX Inductance Value µH 11-12 100KHz,0.3V, Ser 157 165 173 Leakage Inductance µH 11-12 100KHz,0.3V, Ser (Other Winding Short Circuit) / / 4 Q Value / 11-12 100KHz,0.3V, Ser 70 / / Dielectric Strength mA N1,N2－N3 500Vac,60s / / 1 mA N1,N2－Core 500Vac,60s / / 1 mA N3－Core 500Vac,60s / / 1 Direct Current Resistance mΩ 11-12 25℃ / / 110 mΩ 7-8 25℃ / / 740 mΩ 3-4 25℃ / / 80 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.