Shenzhen Greenfair Electronics Co., Limited
Shenzhen Greenfair Electronics Co., Limited
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EI Series High frequency drive Transformer vertical with Strong winding coupling
| Products Name: | High frequency drive transformer |
| Product Description: | |
| Characteristics: | Strong winding coupling, |
| low waveform distortion coefficient to improve | |
| power converter system efficiency performance, etc. | |
| Applications: | Front-end drive for extra large power supplies |
| Certifications: | UL,VDE,3C,CQC |
| Parameters: | Input voltage:85V-265VAC, 50/60Hz |
| output voltage: 3.3VDC-24VDC | |
| Power: 300W max | |
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
| NO. | ITEM | MEASURED POINT | TECHNICAL DATA | REMARK | ||
| 1 | INPUT VOLTAGE | 12---7 | 120VAC 50/60Hz | |||
| 2 | PRI EXCITING CURRENT | 12---7 | 35mAMAX | NO LOAD | ||
| 3 | OUTPUT VOLTAGE | 2---5 | 9VAC±5% | ADD LOAD 333mA | ||
| 4 | TEMPERATURE RISE | SURFACE OF PRODUCT | 60℃MAX | ADD LOAD 333mA | ||
| 5 | HI-POT | P---S | 1KV AC | 5mA 3SEC | ||
| P/S---C | 1KV AC | 5mA 3SEC | ||||
| 6 | DCR | 12---7 | 550ΩMAX | AT 25℃ | ||
| 2---5 | 9.0ΩMAX | |||||
EI Transformer
Quick Details
Place of Origin: Guangdong, China (Mainland)
Brand Name: Greenfair, GFE, GE
Model Number: EI10/4, EI13/5, EI16/22, EI16/5, EI18/10, EI19/5, EI20/4, EI20/5, EI22/6, EI22/4, EI25/6, EI25/7, EI27/8, EI28/5, EI28/11, EI28/10, EI31/11, EI32/20, EI33/13, EI34/4, EI35/10, EI38/25, EI40/11, EI50/15, EI60/16, EEI50/4, EEI160/4, FEI17/7, FEI18/8, FEI22/13, EIE32/20.
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
Packaging & Delivery
Packaging Details: carton box, plastic pallet, package testing dropping before shipping
Delivery Detail: 3~4weeks