Shenzhen Greenfair Electronics Co., Limited
| Packaging Details | carton box, plastic blister box |
| core | ET28 A10 |
| windings | two winding |
| inductance value | ET28- 10mH MIN at 1KHz 0.25V |
| function | EMI/RFI filters |
| wire | 0.72mm copper wire |
| turns | 51 turns REF |
| bobbin | PHENOLIC |
| varnish | vacuum varnish |
| Brand Name | Greenfair |
| Model Number | ET type filter ET20 / 24 / 28 / 29 / 35 |
| Certification | CE, UL, ISO14001 |
| Place of Origin | China |
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Product Specification
| Packaging Details | carton box, plastic blister box | core | ET28 A10 |
| windings | two winding | inductance value | ET28- 10mH MIN at 1KHz 0.25V |
| function | EMI/RFI filters | wire | 0.72mm copper wire |
| turns | 51 turns REF | bobbin | PHENOLIC |
| varnish | vacuum varnish | Brand Name | Greenfair |
| Model Number | ET type filter ET20 / 24 / 28 / 29 / 35 | Certification | CE, UL, ISO14001 |
| Place of Origin | China | ||
| High Light | chip power inductor ，power inductor coil | ||
Vertical CMC ET28 10mH big current 0.72mm copper wire ET20 / 24 / 28 / 29 / 35 common mode choke filter
Function:
1. Excellent impedance balance & EMI efficiency
2. UU line filter with 3 to 380V DC output
3. Design as customer’s specification completely
4. ET filter with wide frequency range and low temperature rise
5. EE line filter with highly reliable, compact & light weight
6. Easily inserted into PCB
7. Provide much better filtering performance
8. As a preventive measure against noise terminal voltage or power supply in TV or VCR unit
9. Compact and provides a large inductance
10. Prevention of noise emitted from other components
Applications:
1. Countermeasure for noise in broadcasting band
2. Shields against radiated emissions in the broadcasting frequency for multi-functional telephone sets, PBXs, Faxes, etc.
3. Wide used in Video, Switch power supplyand TV
Parameter:
Operating temperature: -55 to 105°C
Power: 200, 250, 300 and 500W
Voltage: 100V/230, 50Hz
Inductance value is UU16 - 7mH MIN at 1KHz 1V
PF value: greater than 98%
Tested at 100kHz, 0.1Vrms inductance of 10%uH
DC current at which the inductance drops 10% (type) from itsvalue without current
Electrical characteristics at 25°C
Insulation: class B (130°C), class F (155°C), class H(180°C), class N (200°C) and class R (220°C)
Certifications: UL, CQC and CE
Excellent utilization of electricity, good for environment protection
Customized specifications are accepted
| Type | Specification | Inductance Error | Work Frequency |
| ET | ET35 | ±1% | 50-400KHz |
| ET29 | ±1% | 50-400KHz | |
| ET28 | ±1% | 50-400KHz | |
| ET24 | ±1% | 50-400KHz | |
| ET20 | ±1% | 50-400KHz | |
| UIUUUF | UI100 | ±2% | 50-400KHz |
| UI93 | ±2% | 50-400KHz | |
| UI67 | ±2% | 50-400KHz | |
| UF33 | ±2% | 50-400KHz | |
| UF25 | ±2% | 50-400KHz | |
| UF20 | ±2% | 50-400KHz | |
| UYF16 | ±2% | 50-400KHz | |
| UU10.5 | ±2% | 50-400KHz | |
| UU9.8 | ±2% | 50-400KHz |
| 2. WINDING PARAMETER: | |||||||
| NO. | WINDING | MATERIAL | S--F | TURNS | REMARK | ||
| 1 | N1 | 2UEW￠0.72mm | 1----2 | 51Ts (REF) | |||
| 2 | N2 | 2UEW￠0.72mm | 4----3 | 51Ts (REF) | |||
| 3. ELECTRICAL CHARACTERISTIC: | |||||||
| NO. | ITEM | MEASURE POINT | TECHNICAL DATA | REMARK | |||
| 1 | INDUCTANCE | 1---2=3---4 | 10mH MIN | 1KHz 0.25V | |||
| 4. MATERIAL LIST: | |||||||
| NO. | MATERIAL NAME | MATERIAL SPEC. | PROVIDER | UL NO. | |||
| 1 | CORE | ET28 A10 | ACME | ||||
| 2 | WIRE | MW75 | JIANGSU DARTONG QINGJIANG M＆ECO LTD or equivalent | E237377 | |||
| 3 | BOBBIN | ET28 T375J | CHANG CHUN or equivalent | E59481 | |||
| 4 | EPOXY | 8012A/B | JUHEXING | ||||
Notes:
1. Wire:130°C or150°C.
2. The above specifications for the common specifications, customers can request custom design.
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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