Shenzhen Greenfair Electronics Co., Limited
| Packaging Details | carton box |
| spec. | EI transformer |
| frequency | 1KHz -200KHz |
| structure | vertical |
| material | core + coil |
| appliance | power supplier |
| certificate | ROHS,ISO9001,REACH |
| Brand Name | Greenfair |
| Model Number | EI series |
| Certification | CE, UL, ISO9001 |
| Place of Origin | China |
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Product Specification
| Packaging Details | carton box | spec. | EI transformer |
| frequency | 1KHz -200KHz | structure | vertical |
| material | core + coil | appliance | power supplier |
| certificate | ROHS,ISO9001,REACH | Brand Name | Greenfair |
| Model Number | EI series | Certification | CE, UL, ISO9001 |
| Place of Origin | China | ||
| High Light | electrical power supply transformer ，switch mode transformer | ||
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
Company Details
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2006
Total Annual:
2000000-4000000
Employee Number:
100~400
Ecer Certification：
Active Member
Greenfair Electronics is one of the key electric enterprises in Shenzhen., professional in design and manufacture High Frequency Transformer, Power Transformer, Inductors, EMI equipment, SMT Magnetic Components, Network and Telecommunication Transformers, Automotive and Telecommunication Application... Greenfair Electronics is one of the key electric enterprises in Shenzhen., professional in design and manufacture High Frequency Transformer, Power Transformer, Inductors, EMI equipment, SMT Magnetic Components, Network and Telecommunication Transformers, Automotive and Telecommunication Application...
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