Shenzhen Greenfair Electronics Co., Limited
| Packaging Details | carton box, plastic blister box |
| core | magnetic core, iron powder core |
| windings | two |
| temperature | low temperature rise |
| energy | high stored energy |
| wire | 2.0mm or more |
| base | FR4 |
| Brand Name | Greenfair |
| Model Number | common mode choke |
| Certification | CE, UL, ISO14001 |
| Place of Origin | China |
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Product Specification
| Packaging Details | carton box, plastic blister box | core | magnetic core, iron powder core |
| windings | two | temperature | low temperature rise |
| energy | high stored energy | wire | 2.0mm or more |
| base | FR4 | Brand Name | Greenfair |
| Model Number | common mode choke | Certification | CE, UL, ISO14001 |
| Place of Origin | China | ||
| High Light | common mode choke tutorial ，common mode toroidal chokes | ||
Vertical High Frequency common mode choke coils with several winding for excellent EMI suppressor and low loss
Feature for High Quality toroidal inductor common mode choke ROHS :
High frequency and low loss
For excellent EMI suppressor
High-frequency, low loss toroid
Small profile
Large current
Low resistance
common mode choke coils
Toroid common-mode filter coils
Toroidal common-mode inductor
For SMPS application
SMT and low profile available
RoHS compatible (Pb free) versions available
Good frequency characteristic
With high impedance
Application:
widely applied in various switching power suppliers and high frequency electronic equipment
Noise suppression of DC circuit for switching regulator.
Protects primary AC side from being affected by a switching regulator.
Filters noise emitting from ultrasonic equipment.
Filters electrostatic noise from power and signal lines.
Eliminates contact noise.
Filters incoming spike noise for ICs and equipment
| Parameter | ||||||||
| No. | parameter | pin | test data | test condition | ||||
| 1 | inductance | 8--1 | 29uH+/-15% | 1KHz 0.3V | ||||
| Material | ||||||||
| No. | material | spec. | supplier | UL NO. | ||||
| 1 | Core | 77930-A7 | MAGNETICS | |||||
| 2 | wire | 2UEWF 155℃ | Tai-1 | E85640 | ||||
| 3 | base | FR-4 23.5mm*19mm*1.0mm | Xiangye | E194572 | ||||
| 4 | epoxy | 8012A/B | Juhexing | |||||
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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