Shenzhen Greenfair Electronics Co., Limited
Shenzhen Greenfair Electronics Co., Limited
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Linear transformer EI41 pcb mounting laminated core inductance value tested each 4 windings export to Russia
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.
| ELECTRICAL CHARACTERISTIC: | ||||||||
| NO. | ITEM | MEASURE POINT | TECHNICAL DATA | REMARK | ||||
| 1 | INDUCTANCE | N1 | 752mH±15% | 1KHz ,1V | ||||
| 2 | INDUCTANCE | N2 | 752mH±15% | 1KHz ,1V | ||||
| 3 | INDUCTANCE | N3 | 256mH±15% | 1KHz ,1V | ||||
| 4 | INDUCTANCE | N4 | 30mH±15% | 1KHz ,1V | ||||
| 5 | DCR | N1:140Ω MAX; N2:120Ω MAX; N3:75Ω MAX; N4: 1.9Ω MAX | 25℃ | |||||
| 6 | HI-TPOT | N1,N2--N3,N4 | 500VAC | 2mA 5S | ||||
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".
| WINDING PARAMETER: | ||||||||
| NO. | WINDING | MATERIAL | TUBE TYPE | S--F | TURNS | REMARK | ||
| S | F | |||||||
| 1 | N2 | 2UEWΦ0.11mm | TFL | TFL | 7--8 | 900Ts | TAPE 2TS | |
| 2 | N3 | 2UEWΦ0.11mm | TFL | TFL | 1--3 | 517Ts | TAPE 2TS | |
| 3 | N1 | 2UEWΦ0.11mm | TFL | TFL | 10--12 | 900Ts | TAPE 2TS | |
| 4 | N4 | 2UEWΦ0.45mm | 5--6 | 169Ts | TAPE 2TS | |||
| MATERIAL LIST: | ||||||||
| NO. | MATERIAL NAME | MATERIAL SPEC. | PROVIDER | UL NO. | ||||
| 1 | CORE | EI41H18A 0.5T | DONG JUN OR EQUIVALENT | |||||
| 2 | BOBBIN | PBT&PET | CHANG CHUN or EI DUPONT | E594841/69578 | ||||
| 3 | WIRE | MW75C | TAT-1 ELECTRIC WIRE&CABLE CO LTD OR EQUIVALENT | E85640 | ||||
| 4 | TAPE | CT280 | YAHUA | E165111 | ||||
| 5 | VARNISH | 8562/A | HANGCHEUNG | E200154 | ||||
General information:
It is recommended that the temperature of the part does not exceed +125°C under worst case conditions.
Storage Temperature: -40°C to 85°C
Operating Temperature: -40°C to 125°C
Test conditions of Electrical Properties: 20°C, 33% RH if not specified differently
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.