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| Categories | High Frequency Transformer | 
|---|---|
| Brand Name: | Greenfair | 
| Model Number: | EM series | 
| Certification: | CE, UL, ISO9001 | 
| Place of Origin: | China | 
| MOQ: | 1000pcs | 
| Packaging Details: | carton box | 
| type: | EM transformer | 
| frequency: | high frequency | 
| winding: | biflar winding | 
| wire: | triple wire | 
| core: | EM12.7 TP4 | 
| Structure: | Horizontal | 
| size: | small | 
| power: | 10~300W | 
EM 11, 13, 18 series small size Bifilar winding triple wire High frequency transformers
Features:
1. Custom designs available
2. High efficiency of over 95%
3. High frequency range 10kHz-1MHz
4. High isolation strength
5. High-temperature resistant
6. Operating temperature -40°C to +125°C
7. Power range 10w-300w
EM Transformer
Quick Details
Place of Origin: Guangdong, China (Mainland)
Brand Name: Greenfair, GFE, GE
Model Number: EM 11, 13, 18
Usage: High Frequency
Phase: Single
Coil Structure: Toroidal
Coil Number: Autotransformer
color: yellow
size: horizontal
type: EE,EI ,EC,PQ,EFD,EPC,UU,R,RH,DR, etc
Core grade: PC40, 3C90,TP4
Bobbin material: Phenolic


no  | winding  | material  | margin tape  | pin  | turns  | winding way  | insulation  | ||
top  | bottom  | 0.06*8mm  | |||||||
1  | N1  | TRW-BФ0.1mm  | 2mm  | 2mm  | 1--2  | 9TS  | biflar winding  | 2TS  | |
2  | N2  | TRW-BФ0.1mm  | 7--8  | 9TS  | |||||
no.  | parameter  | pin  | test date  | test condution  | 
1  | inductance  | 1--2  | 30uH+/- 10%  | 100KHz 1V  | 
2  | leakage indutance  | 1--2  | 1uH MAX  | 100KHz 1V(short PIN7-8)  | 
3  | hi-pot  | P--S  | 1500VAC  | 1mA 60S  | 
S--C  | 500VAC  | 1mA 60S  | 
no  | material  | spec  | supplier  | UL no  | ||||
1  | core  | EM12.7 TP4  | TDG or equival  | |||||
2  | bobbin  | PHENOLIC  | CHANGCHUN  | E59481  | ||||
3  | triple wire  | TRW-B  | LANLING or equival  | E156256  | ||||
4  | copper wire  | 2UEW  | Tai-1 or equival  | E85640  | ||||
5  | tape  | PF-301  | Yahua  | E165111  | ||||
margin tape  | WF-2901  | Yahua  | E165111  | |||||
6  | tube  | TFL  | Woer  | E203950  | ||||
7  | varnish  | 8562/A  | Hengchang  | 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
OPERATING TEMPERATURE RANGE, PACKAGE QUANTITY, PRODUCT WEIGHT  | |||||
Temperature range  | Humidity range  | Standard test conditions  | |||
Operating temperature*  | Storage temperature  | Operating temperature**  | Storage temperature**  | Operating temperature**  | Storage temperature**  | 
( ℃)  | ( ℃)  | ( % RH)  | ( % RH)  | ( ℃)  | ( % RH)  | 
-30 to +120  | -40 to +80  | 10 to +95  | 10 to +95  | 25 ± 10  | 25 to +75  | 
* With self-heating
** Maximum wet-bulb temperature 38°C, without dewing
*** Without dewing

                                 
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