ETD series horizontal ETD29 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
nQuick 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 |
| PIN1--6 | PIN7--13 | S | F |
| N1 | 1UEWFφ0.5*2P | 4mm | 4mm | TFL | TFL | 12--2 | 10 | SPACE | 4TS |
| SCREEN | 0.05*16 | | | | TFL | --3 | 0.9 | MIDDLE | 4TS |
| N2 | 1UEWFφ0.08 | 4mm | 4mm | TFL | TFL | 10--3 | 115 | SPACE | 4TS |
| N3 | 1UEWFφ0.08 | 4mm | 4mm | TFL | TFL | 9--4 | 115 | SPACE | 4TS |
| N4 | 1UEWFφ0.08 | 4mm | 4mm | TFL | TFL | 8--5 | 115 | SPACE | 4TS |
| ELECTRICAL CHARACTERISTIC: |
| NO. | ITEM | MEASURE POINT | TECHNICAL DATA | REMARK |
| 1 | IND | 3--10 | 4.8--5.3mH | 1KHz 0.1V |
| 3 | DCR | 18mΩ≤R(12--2)≤26mΩ;17.0Ω≤R(10--3)≤22.5Ω;19Ω≤R(9--4)≤23Ω;21Ω≤R(12--2)≤24.6Ω; | 20℃ |
| 4 | HI-POT | PIN2--PIN8,9,10 | 5KVac | 5mA 60S 50Hz |
| 5 | HI-POT | PIN3--PIN8,9 | 5KVac | 5mA 60S 50Hz |
| 6 | HI-POT | PIN4--PIN8 | 5KVac | 5mA 60S 50Hz |
| 7 | TURNS RATIO | N4:N3:N2:N1 | 115:115:115:10±0.5T | 20KHz |
| MATERIAL LIST: |
| NO. | MATERIAL NAME | MATERIAL SPEC. | PROVIDER | UL·NO |
| 1 | CORE | ETD29/16/10 3C90/N87(GAP) | FERROXCUBE/EPCOS | |
| 2 | BOBBIN | PBT | CHANG CHUN | E59481 |
| 3 | WIRE | MW-79C | JIANGSU DARTONG QING JIANG M &E CO LTD /TAI-1ELECTRIC
WIRE&CABLE CO LTD/SHANDONG SAINT ELECTRONIC MATERTAL CO TLD | E237377/E85640/E194410 |
| 4 | COPER FOIL | 0.05*16mm | HONGKONG CHENG ZEXIANG INDUSTRIAL LIMTTED OR EQUIVALENT | |
| 5 | TAPE | WF-2901/#44 | YAHUA/3M | E165111/E17385 |
| 6 | TUBE | TFL 150℃ 300V | GREAT LEOFLON | E211989 |
| 7 | ISOLATION TAPE | #56 /CT280 YEL | 3M/YAHUA | E17385/E165111 |
| 8 | VANISH | 8562/A | HANGCHEUNG | E200154 |
| 9 | CLIP | ETD29 SU301 | JIN SHENG ELECTRONIC CO LTD | |
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
