Shenzhen Greenfair Electronics Co., Limited
| Packaging Details | carton box |
| spec. | EFD transformer |
| frequency | high frequency |
| core grade | PC40, 3C90,TP4 |
| bobbin material | Phenolic |
| phase | single |
| Coil Structure | Toroidal |
| Brand Name | Greenfair |
| Model Number | EFD series |
| Certification | CE, UL, ISO9001 |
| Place of Origin | China |
View Detail Information
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Product Specification
| Packaging Details | carton box | spec. | EFD transformer |
| frequency | high frequency | core grade | PC40, 3C90,TP4 |
| bobbin material | Phenolic | phase | single |
| Coil Structure | Toroidal | Brand Name | Greenfair |
| Model Number | EFD series | Certification | CE, UL, ISO9001 |
| Place of Origin | China | ||
| High Light | hf power transformer ，high frequency power transformer | ||
EFD Series high frequency transformer with low height and high power
>>> Features
1. IEC-spacing compatible
2. Low leakage inductance designs
3. Through hole and surface mount available
4. Low building height / profile design
5. High thoughput power-density
6. Custom design available
>>> Quick Details
Place of Origin: Guangdong, China (Mainland)
Brand Name: Greenfair, GFE, GE
Model Number: EFD11, EFD12, EFD13, EFD15, EFD16, EFD17, EFD18, EFD20, EFD21, EFD25, EFD30, EFD32, EFD35,EFD36, EFD40.
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 Time: 3-4weeks
| NO. | ITEM | MEASURE POINT | TECHNICAL DATA | REMARK | ||||
| 1 | INDUCTANCE | 1--2 | 4700µH±5% | 1KHz 0.3V //CH1061 | ||||
| 9--10 | 72µH TYPE | 1KHz 0.3V //CH1061 | ||||||
| 2 | HI-POT | P---S | 1000VAC | 5mA 60S | ||||
| P/S---C | 500VAC | 5mA 60S | ||||||
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
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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