
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