Shenzhen Greenfair Electronics Co., Limited
Shenzhen Greenfair Electronics Co., Limited
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EI41 low frequency transformer 50 / 60HZ stable and with good linear property use silicon steel Z11 and PA66 bobbin
The products are mainly used in various types of Access Controller, Building Intercom, Safety& Security Power Supply, network, DVD, monitors, computer, communication products, lighting systems and instruments and other products.
Low frequency transformer is applicable to alternating voltage with input voltage of 100V-440V, working frequency of 50/60HZ and working enviroment temperature of -25℃ - 70℃ . The product specification is standardized, which is convenient for production. Product features: It is stable and with good linear property and low cost. Adopt low power consumption silicon steel and flame retardant PA66 for production. It is featured low no-load loss, low temperature rise, strong overvoltage resistance and long working life. Drawn out by the lead, crimping of the specified connector is done according to requirements of the cuctomers and the installation and maintenance are convenient. Thermal fuse and resettable fuse are installed on primary coil. The products are approved by CQC and partial products are approved by UL, TUV and VDE. Main application fields of the products: Variouse household applicance, medical equipment and industrial equipment. Various input voltages, output voltages and power capacities can be customized according to the requirements of customers.
² High quality and best services.
² We have RoHS and REACH certification.
² Our Products has the UL Insulation System.
| 3. ELECTRICAL CHARACTERISTIC: | ||||||||||
| ITEM | INPUT VOLTAGE(1-4) | INPUT CURRENT(1-5) | (5-6)OUTPUT VOLTAGE/CURRENT | (7-8)OUTPUT VOLTAGE/CURRENT | DC-R | |||||
| 1 | 220V/50Hz | 12mA Max. | ||||||||
| 2 | 220V/50Hz | ------ | 7.0Vac±5%/0.2A | 12.0Vac±5%/0.2A | ||||||
| 4. INSULATION & HI-POT: | ||||||||||
| 1). Np to Ns:3000V/50Hz/3mA/2S | ||||||||||
| 2). Np to Core, and Ns1 to Ns2:2500V/50Hz/3mA/2S | ||||||||||
The implementation of standards: GB19212.5-2006 "special requirements for general purpose isolation transformer".
GB19212.7-2006 "special requirements for safe isolation transformers for general use".
GB19212.18-2006 "special requirements for transformer for switch type power supply".
| 5. MATERIAL: | ||||||||||
| NO. | MATERIAL NAME | MATERIAL NORM | MANUFACTURE | NOTE | ||||||
| 1 | CORE | EI41 Z11 | NEW NIPPON STEEL or equivalent | |||||||
| 2 | BOBBIN | PA66 | BASF SE or equivalent | E41871 | ||||||
| 3 | WIRE | MW-75C or MW-80C | JIANGSU DARTONG QINGJIANG M & E CO LTD or equivalent | E237377 | ||||||
| 4 | TAPE | CT-XXX,130℃,UL94V-0 | JINGJIANG YAHUA PRESSURE SENSITIVE GLUE CO,LTD or equivalent | E165111 | ||||||
| 5 | VARNISH | 8562-C,MW28 | HANG CHEUNG PETROCHEMICAL LTD or equivalent | E200154 | ||||||
We will feel appreciated if you can provide the parameters of the product or the photo of the item.
All products of the size,electrical performance can be designed
according to customer requirements in R&D.
Don’t hesitate to contact us if any interesting in our products.