LED driver purpose EC40 high frequency transformer

Price: 2.5~5.5 USD
Trade Term: FOB
Payment Terms: T/T
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Basic Info.
  • Brand Name: HangTung 
  • Type: Electronic current transformer 
  • Band name: Hang Tung 
  • Certificate: UL/SGS/ROHS 
  • Model No: EC28/EC35/EC40/EC42 
  • Bobbin: EC40 Horizontal 8+8PIN or as require 
  • core: PC44 or as require 
  • Usage: ELectronics 
  • Phase: single 
  • Model No.: EC404513 
  • Place of Origin: Guangdong  
  • Min.Order: 1000 Pack/Packs
  • Means of Transport: Ocean, Air, Land
Supply Capacity
  • Production Capacity: 8000/day
  • Packing:CASE
  • Delivery Date: 15-30day


1. High transmission efficiency

2. High isolation strength

3. Low leakage current

4. Lower profile and weight

5. Minimum power loss

6. High-temperature resistant

7. Stable performance

8. Operating temperature -40°C to +125°C

 High transmission efficiency


· High working voltage range


· Low leakage current


· Minimum power loss


· Stable performance


· Lower temperature rise


· Compact size and high performance


· Various PCB mounting


· RoHS compliant


· Meet IEC/EN60950, UL60950


· Safety Agency Approval: CE, UL


· Custom-made with various specification 




1. Measuring appliance, inverters, chargers, alarm system

2. Television sets, Microcomputer equipment, printers, Terminals.

3. UPS, VCD/DVD players, audio and visual equipment

4. VCRS, Copy machine, Audio equipment, Game machines

5. Switching power supply

· Switching power supply


· PC power source


· Monitor, Television


· Broadcast equipment


· Navigation apparatus 


· Measuring appliance 


Electrical Characteristics


· High working frequency


· Switching frequency: 1KHz to 200KHz


· Low leakage inductance


· Operating Temperature Range: 0°C~40°C


· Insulating Resistance: 100MΩ minimum @ DC 500V


· Insulation: Class B (130°C) or according to specification


· Terminal Strength: endurance of 10N (30 seconds) loads in axial direction


· Storage Temperature: -25°C~75°C


· Humidity: 5%~95% non-condensing



Large transmission power 
Low loss 
Wide frenquency range 
Low temperature rise 
Stable performance

ec40 power transformer



Large transmission power
Low loss

Wide frenquency range

Low temperature rise

Stable performance

Widely used in SPC exchanges,color TV,VCD,DVD,mobile charger,PC power and other electronic instruments.


TypeSpecificationPowerWorking frequency
ER/EER Type TransformerER59≥360W10-100KHz

1. high-quality epoxy material, 
2. firm case, convenient use, good insulation performance, 
3.moisture resistance & waterproo

Performance:input voltage:240V/230V/220V/120V/110V/100V;
Application:Widely applied to the power supply of various outdoor lamps such as fountain lamps, garden lamps, lawn lamps, underwater lamps, and fog spring lamps.
Characteristics:Encapsulated by using high-quality epoxy material, the outdoor encapsulated transformer has the advantages of firm case, convenient use, good insulation performance, moisture resistance and water resistance. It can work normally in severe environment.
Comply with the regulatory standards:EN61558;UL1310;GB19212;
To obtain certification:GS,CE,UL,CCC

ER14.5 ER20 ER25 EC25 ER28 EC28 ER33 ER35 ERL35 ER39 ERL39 ER40 ER42 ER49 ER54 ER59 ER59 High frequency transformer:

ER14.5 ER20 ER25 EC25 ER28 EC28 ER33 ER35 ERL35 ER39 ERL39 ER40 ER42 ER49 ER54 ER59 ER59 High frequency transformer,hf transformer features:

  • Various types of transformers available, CI, UI, EFD,EP, ER, EPC, POT, RM, EE

  • High Frequency transformer suitable for EL/CCFL Inverter or DC/DC converter

  • Customer's designs are welcome

  • Product Description

    Safety transformer/Short-circuit-proof

    Vacuum Filled Casting

    Split Bobbin Design Winding

    emperature Class ta 70°C/B

    eielectric Strength 4500Vrms


    Input voltage can be 230V/110V/220V/480V or as per customer's requirements

    Output voltage can be 6V/9V/12V/15V/18V/2V or as per customer's rquirements. It can be single output or Dual outputs


    with CE ROHS approval

    PCB mounted


power transformer

encapsulated transformer, sealed transformer parameter:

Our company is a professional manufacturer of encapsulated transformer series.

* such as EI20, EI28,EI30,EI35,EI38,EI41,EI57,EI66.

* power range is 0.5W-80W.

* our products are produced with automatic winding machines and vacuum encapsulated.

* all the raw material is UL, SGS approved and produced as ROHS compliant.

* our products are exported to American and Europe. 
* we can design specific products according to customers' demands.


EI type iron power supply transformer,low loss at no load,high power output,high efficience,low temperature rise,widely used in air-conditioner,VCD,acoustics,microwave oven,amplifier,SPC exchange,UPS power supply,and the power supply meter,equipment of all kinds machine electronics,medical treatment,chemical industry,post and telecommunications,spinning,popular science


Hangtung transformers have year's experiences in transformers producing and we can supply the transformers according to your own design and specification.

We deliver in time and have the perfect. After-service.

We can give the most competitive china mainland price for you.

We will always welcome your inquiry!


Why Choose us?

Samples timely 

We have RoHS and REACH certification.

Provide third-party inspection certification (such as SGS report).

Our Products has the UL Insulation System. Quality is guaranteed.

Our company has pass the ISO9001:2008 and ISO 14001:2004



Delivery time:10-12 days or as per customer's quantity

Payment terms:50% deposit of total amount in advance and the rest before ship.

Samples is free, but the fee of freight must be paid by recipient

Port: Shenzhen/HongKong

Package: As per customer's requirements


We will feel appreciated if you can provide the parameters of the product or the photo of the item.


We can supply kinds of transformers, The products are widely used in a large variety of industries, computer, switch power, home appliances,LED,Plasma color television, instrumentation, green lighting, instrument and apparatus, the automobile electronics, and military industry. The product can be made of various specs,we  can supply the ferrite core to match the trasformers. 


All products of the size,electrical performance can be designed according to customer requirements in R&D.



If you have a project or looking for electronic parts and components please contact with us!


Don't hesitate to contact us if any interested in our products.


Hang Tung Co. LTD Tel: 86-769-86638188



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Mr. Ken Lo (Manager)
Tel: 86-769-86638188
Mobile: 18103060006
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Contact Method
Hangtung Electronic Technology Co., LTD.
Shijie Town, Dongguan, Guangdong, China (Mainland)
Fax: 86-769-86631396
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