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Contact: Ms. Lau
Company: Shenzhen Dowis Electronics Co.,Ltd
B Blding,Huangpu Runhe Industrial Park, Zhentou Road,Huangpu Community, Shajing street, Bao'An
Shenzhen
China
Phone: 86-755-27220476-7
E-Mail: Send Inquiry
Date/Time:  5/26/21 3:15 GMT
 

EPC19 240V 12V 19V 50W 70W HF Transformer High Frequency Current Customized

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.
EPC19 240V 12V 19V 50W 70W HF Transformer High Frequency Current Customized
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