ETD series horizontal ETD34 large power transformer High frequency
UL compliant low height Screen protect
Features:
1. Custom designs available
2. High efficiency of over 95%
3. High frequency range 1KHz-1MHz
4. High isolation strength
5. High-temperature resistant
6. Operating temperature -40°C to +125°C
7. Power range 10w-500w
ETD Transformer
Quick Details
Place of Origin: Guangdong, China (Mainland)
Brand Name: Greenfair, GFE, GE
Model Number: ETD29, ETD34, ETD39, ETD44, ETD49.
Usage: High Frequency
Phase: Single
Coil Structure: Toroidal
Coil Number: Autotransformer
color: yellow
size: horizontal
Bobbin material: Phenolic
Specifications
UL compliant lighting transformer
low height
litz wire, triple wire using
big power
Application:
Power supply Driver
Lighting appliance
Communication equipment
LCD Power Supply
Converter and inverter
| WINDING PARAMETER: |
| WINDING ORDER | MATERIAL SPEC. | MARGINAL TAPE | TUBE TYPE | S--F | TURNS | WINDING
FASHION | ISOLATION BETWEEN WINDING |
| PIN 1.313 | PIN2.4.14 | S | F |
| N1 | ￠0.5*1P | 3mm | | | | 12---3 | 28.5 | CLOSE | 1mil* 21.5mm*1Ts mylar |
| N2 | ￠0.5*2P | 3mm | 3mm | | | 13---2 | 12.5 | SPACED | 1mil* 21.5mm*1Ts mylar |
| N3 | ￠0.5*2P | 3mm | | | | 11---4 | 12.5 | SPACED | 1mil* 21.5mm*1Ts mylar |
| N4 | ￠0.5*3P | 2mm | 3mm | | | 9---6 | 18.5 | SPACED | 1mil* 21.5mm*1Ts mylar |
| N5 | ￠0.5*1P | 3mm | | | | 14---1 | 28.5 | CLOSE | 1mil* 21.5mm*1Ts mylar |
| ELECTRICAL CHARACTERISTIC: |
| NO. | ITEM | MEASURE POINT | TECHNICAL DATA | REMARK |
| 1 | INDUCTANCE | 14---1 | 158uH±10% | 1KHz 0.25V |
| 2 | HI-POT | COIL--CORE
COIL--COIL | 0.5 KVAC | 5mA 60S |
| 3 | INSULATION RESISTANCE | COIL--CORE
COIL--COIL | >100MΩ | 500VDC |
| MATERIAL LIST: |
| NO. | MATERIAL NAME | MATERIAL SPEC. | PROVIDER | UL·NO |
| 1 | CORE | JPP-4 EER34/34 or other equivalent | JIANGMEN CITY POWDER METALLURGY FACTORY ,LTDor other equivalent | |
| 2 | BOBBIN | FR530 ETD-34 | DUPONT | E69578 |
| 3 | WIRE | MW79-C / MW80-C | JIANGSU DARTONG QING JIANG M &E CO LTD or other equivalent | E237377 |
| 4 | ISOLATION TAPE | CT-280 or other equivalent | YAHUA ADHESIVE TAPE CO.,LTD or other equivalent | E178516 |
| 5 | COPPER | COPPER FOIL or other equivalent | BOTONG COPPER or other equivalent | |
| 6 | MARGIN TAPE | WF2901 0.25*2mm ＆0.25*3mm | YAHUA ADHESIVE TAPE CO.,LTD or other equivalent | E178516 |
| 7 | ADHESIVE | E-500 or other equivalent | DONGGUAN EATTO ELECTRONIC MATERIAL CO., LTD or other equivalent | E218090 |
| 8 | VARNISH | 8562/C | HANG CHEUNG PETROCHEMICAL LTD | 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
