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EF20 High Frequency Electric 220v 12v Power Single PhaseTransformer For Sound Equipment

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EF20 High Frequency Electric 220v 12v Power Single PhaseTransformer For Sound Equipment

China EF20 High Frequency Electric 220v 12v Power Single PhaseTransformer For Sound Equipment supplier
EF20 High Frequency Electric 220v 12v Power Single PhaseTransformer For Sound Equipment supplier EF20 High Frequency Electric 220v 12v Power Single PhaseTransformer For Sound Equipment supplier EF20 High Frequency Electric 220v 12v Power Single PhaseTransformer For Sound Equipment supplier EF20 High Frequency Electric 220v 12v Power Single PhaseTransformer For Sound Equipment supplier

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Product Details:

Place of Origin: CHINA
Brand Name: OEM/ODM IS ALLOWED
Certification: ISO/ROHS/UL
Model Number: EE/EI/EPC/EFD

Payment & Shipping Terms:

Minimum Order Quantity: 1K
Price: Negotiation
Packaging Details: in carton
Delivery Time: 3-6 weeks
Payment Terms: L/C, T/T
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Detailed Product Description
Storage Temperature: -25℃to+85℃ Coil Number: Autotransformer
Coil Structure: Toroidal Certification: CE, RoHS
Color: As Customer Require Phase Number: Single
Rated Capacity: 30-3000kva Material: Copper Wire + Ferrite Core
Working Frequency: 20kHz-500kHz Outer Structure: Vertical

EF20 High Frequency Electric 220v 12v Power Transformer For Sound Equipment

 

 

Features:
 

Operating Frequency: 50~200KHz.

 

Low-cost, all models mainly used in less demanding fields on the electromagnetic shielding power field.

 

Power frequency because of work, safety regulations and other requirements of the different temperature level will change.

 



Applications:

Used in PC power supply, monitor , TV , sound equipment , Smart meters, uninterruptible power supplies, all kinds of high-power inverter, industrial power supply , etc.


Packaging Technology: THT or SMT

 

 

Product Winding:

1. Starting from pin 1

2. Smooth close winding

3. Staring margin tape

4. Ending by pin 2

5. Ending margin tape

6. the line must be right angle and pressured by tape, tube be into slot from pin1-2 mm distance.

7. Copper wire can be good and smooth, do not be knot, overlap.

8. Tape must be tensining, smoothness, Load-point overlapping 5-8 mm.


Insulation Winding:

1. Wire must be fixed by ACT, becoming right angle.

2. tape must be cover copper wire.

3. Every copper wire must be not crossing and overlapping, out wire must be fixed by tape.

4. Tape must be tensioning , smoothness.


Our Advantages:

1. More than ten years transformer manufacturing experience.

2. High quality and competitive price.

3. Good after-sale service.

4. High - temperature resistant.

5. Supply samples free with short delivery time.

6. Suitable for wide range of switching power supply/power transformer/LED driver transformer/current transformer/distribution transformer.

 

7. Technical support: custom-made design, desihn guide, test support .

 

8. Design-in support: Inductor and transformer design guide , EMC test lab racks,reference designs of IC manufacturers


Packing:


1. Protect product with polyfoam and multi layer paper board.


2. Special protect carton for exporting product.


3. Per customer requirement.

 

 

Service:

 

1. The standard part within 15-30 days

 

2. Service degree:98.5%

 

3. Custom-made welcome

 

4. OEM/ODM acceptable

 

5. Agent support

 

 

DIMENSIONS(UNIT:mm)

 

EF20 High Frequency Electric 220v 12v Power Single PhaseTransformer For Sound Equipment

 

 

Schematic Diagram

EF20 High Frequency Electric 220v 12v Power Single PhaseTransformer For Sound Equipment
Winding Layer Diagram

 

EF20 High Frequency Electric 220v 12v Power Single PhaseTransformer For Sound Equipment

 

Winding Layer Diagram

 

LAYERS START-END WIRE TYPE COPPER TRUNS MARGIN TAPE TUBE LAYER TAPE
Yellow
WINDING
PIN TOP START END
N1 6-5 T0.6*7.85mm 1TS / / / / / /
N2 ②-① TIW-Bφ0.6mm*2P 18TS / / 14L White 14L Black T0.025*5.5mm*2Ts Close winding
N3 ③-④ TIW-Bφ0.4mm 2TS / / 22L White 22L Black T0.025*5.5mm*2Ts Dredging
N4 6-5 T0.6*7.85mm 1TS / / / / / /

 

Series A(Max) B(Max) C(Max) L D Output(W)
EE8.3 9.5 9 9.5 3.5±1.0 0.5±0.1 2-4
EE10 11.5 11.5 13 4.0±1.0 0.5±0.1 2-5
EE13 14.5 14 15 4.0±1.0 0.5±0.1 3-6
EE16 18.5 17 18.5 4.0±1.0 0.6±0.1 4-8
EE19 21 18 19.5 4.0±1.0 0.6±0.1 5-15
EE25 28.5 22 24 4.0±1.0 0.8±0.1 10-20
EE 16H 17.5 16.5 12.5 4.0±1.0 0.6x0.4±0.1 4-8
EE 19H 21 22 12.5 4.0±1.0 0.6x0.4±0.1 5-15
EE 25H 27.5 29 24 4.5±1.0 0.7x0.7±0.1 10-25
EE 30H 31.5 28.5 24 6.0±1.0 0.8±0.1 80-150

 

EI22 24 18.5 21 4.0±1.0 0.8±0.1 20-30
EI28 29.5 23.5 24.5 4.0±1.0 0.8±0.1 50-100
EI30 32 26.5 30.5 4.5±1.0 0.8±0.1 80-150
EI35 37 29 33.5 5.0±1.0 1.0±0.1 130-250
EI40 42 30 36 5.0±1.0 0.8±0.1 150-300
EPC13 14.5 15 8.5 3.0±1.0 0.5x0.5±0.1 5-10
EPC19 21 23 12.5 4.0±1.0 0.64x0.64±0.1 14-28
EPC25 27 27 17 5.0±1.0 0.8±0.1 20-50
             

Contact Details
DONGGUAN ZHONGKANG ELECTRONICS CO.,LTD.

Contact Person: Amy

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