PQ40 big power flyback transformer for led driver and battery
charger switching mode power transformer high stability
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
PQ Transformer
Quick Details
Place of Origin: Guangdong, China (Mainland)
Brand Name: Greenfair, GFE, GE
Model Number: PQ16/12, PQ20/7, PQ20/10, PQ20/16, PQ20/20, PQ23/17,
PQ26/15, PQ26/20, PQ26/25, PQ27/25, PQ32/11, PQ32/20, PQ32/25,
PQ32/30, PQ33/12, PQ35/9, PQ35/25, PQ38/11, PQ38/12, PQ40/20,
PQ40/40, PQ50/50. ▎
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
Application:
Power supply Driver
Lighting appliance
Communication equipment
LCD Power Supply
Converter and inverter
| MATERIAL |
| no | MATERIAL | SPEC. | SUPPLIER | UL. |
| 1 | core | PQ4040S PL-7,PC40 | TDG/TDK | |
| 2 | bobbin | PM9630 | SUMIDA | E41938 |
| 3 | wire | MW-75C | TAI-1 | E85640 |
| 4 | tape | 1P801 | PLEO | E126174 |
| 5 | margin | 1H860 | PLEO | E126174 |
| 6 | tube | 2T-TFT 300V 200℃ | PLEO | E176865 |
| 7 | varnish | BC-346A | JIEDI | E51047 |
| PARAMETER |
| NO | ITEM | PIN | TEST DATA | TEST CONDTION |
| 1 | INDTANCE | N1 | 280--300uH | 1KHz 0.3V |
| 2 | Q VALUE | N1 | 20MIN | 100KHz 0.3V |
| 3 | Leakage inductance | N1 | ≤5uH | 1KHz 0.3V short other widings |
| 4 | HI-POT | N1---N2,N3 | 2.343KVAC Without break | 4mA 60S |
| 5 | HI-POT | N1--CORE | 1.8KVAC Without break | 4mA 60S |
| 6 | HI-POT | N2,N3--CORE | 1.5KVAC Without break | 4mA 60S |
| 7 | DCR | N1 | ≤100mΩ | 25℃ |
| 8 | DCR | N2 | ≤65mΩ | 25℃ |
| 9 | DCR | N3 | ≤55mΩ | 25℃ |
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
