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| Categories | High Frequency Transformer | 
|---|---|
| Brand Name: | Greenfair | 
| Model Number: | EFD series | 
| Certification: | CE, UL, ISO9001 | 
| Place of Origin: | China | 
| MOQ: | 1000pcs | 
| Packaging Details: | carton box | 
| type: | EER transformer | 
| frequency: | 1khz-200khz | 
| core grade: | PC40, 3C90,TP4 | 
| bobbin material: | Phenolic | 
| phase: | single | 
| Structure: | Vertical | 
| teflon tube: | yes | 
| margin tape: | yes | 
EER Series EER35 vertical type high frequency transformer low
leakage inductance, excellent winding
EER Transformer
Quick Details
Place of Origin: Guangdong, China (Mainland)
Brand Name: Greenfair, GFE, GE
Model Number: EER16/15, EER25/18, EER25/27, EER26/9, EER26/18,
EER28/28, EER28/34, EER29/40, EER30/32, EER33/34, EER34/35,
EER35/42, EER39/29, EER39/36, EER39/40, EER39/44, EER40/42,
EER40/45, EER42/43, EER42/43A, EER42/44, EER43/47, EER44/45,
EER49/54, EER49/49, EER53/46, EER53/46, EER55/55, EER60/60.
Usage: High Frequency
Phase: Single
Coil Structure: Toroidal
Coil Number: Autotransformer
color: yellow, red, blue
size: vertical
Core grade: PC40, 3C90,TP4,etc
Bobbin material: Phenolic
Application:
LED driver
Lightening appliance
Communication equipment
LCD Power Supply
Converter and inverter
| NO | Parameter | pins | test value | test condition | ||
| 1 | indutance | LN1 | 50--70uH | 1KHz 0.3V | ||
| 2 | Q value | N1 | >150 | 100KHz 0.3V | ||
| 3 | leakage inductance | N1 | ≤10uH | 1KHz 0.3V | ||
| 4 | Hi-pot | N1--N2 | 1800Vac without break | 1mA 60S | ||
| 5 | Hi-pot | N1--CORE | 1800Vac without break | 1mA 60S | ||
| 6 | Hi-pot | N2--CORE | 1800Vac without break | 1mA 60S | ||
| 7 | DCR | N1 | ≤40mΩ | 25℃ | ||
| 8 | DCR | N2 | ≤40mΩ | 25℃ | ||
| no | material | spec. | |||
| 1 | core | EER3542S PL-7&PC40 | |||
| 2 | bobbin | ERL3504 FR50 | |||
| 3 | wire | UEW-2 Ø0.35mmØ0.4mm NTL 130℃ | |||
| 4 | tape | CT-280 1mil*28mm & 1mil*12mm YLW 130℃ | |||
| 5 | margin | 0.2*1.5mm | |||
| 6 | teflon | TFT Φ0.38mmΦ1.2mmΦ1.5mm TRN 300V 200℃ | |||
| 7 | copper foil | 0.05*20mm | |||
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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