Specifications

EFD15 high frequency transformer 
1.Manufacturing price 
2.Lead time: 7-9 days 
3.Customized design are welcome 
4.ROHS, CE, ISO

• Input :AC 110-120V/220-240V  50-60HZ

• Output :AC 3.0-36V  100-2500mA

• Model: EI35,EI41,EI48,EI57,EI66, EI76.2,EI85.8,EI96,EI114

• Approved by CQC,S,CE,UL

• In accordance  with ISO9001:2000 requirement

• High quality and been treated by insulation

• Quickly delivery and large quantity supply

• Application :home electrical appliances, communication instruments, medical    

•      apparatus, power tools, massage armchairs and air-conditioner

• Assembled according to customers specification



Features:

1. Custom designs available

2. High efficiency of over 95%

3. High frequency range 10kHz-1MHz

4. High isolation strength

5. Lower profile and weight

6. high power density

7. High-temperature resistant

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

9. Power range 10w-10kw

10.Supply high voltage and withstand voltage 

11.Operation frequency range from 40 to 80 KHz

12.Deliver Output Power from 1.5 to 25 watts

13.Slim or low profile Type easily built in your design

14.Available in through-hole and SMT recess or gull wing type

15.Operate in Royer , direct IC drive and other topologies






APPLICATIONS:

Applicable to light up cold cathodes fluorescent lamp of display.

 

Such as PCB, DSC, PDA, Scanner, Car Navigation, Notebook PC, LCD monitor and LCD TV   

1. VCRS, Copy machine , Audio equipment , Game machines
2. TV sets,Microcomputer equipment, printers, Terminals
3. communications controlequipment
4.Switching power supply, chargers, alarm system

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

6. OA machines, inverters, chargers, alarm system

SMD high frequency transformer/electronic power transformer:

High frequency transformerApplications:

1. VCRS,Copy machine,Audio equipment,Game machines;
2. TV sets,Microcomputer equitpmen

3. Communications control equipment
4. Printers,Terminals .

5. Wigh good magnetic shield form itself and slight interferece.

EFD10 EFD12 EFD15 EFD20 EFD25 EFD30 SMD transformer
Core type	Ve (mm3)	Ae (mm2)	Mass (g)
EFD10/5/3	171	7.2	0.45
EFD12/6/3.5	325	11.4	0.9
EFD15/8/5	510	15.0	1.4
EFD20/10/7	1460	31.0	3.5
EFD25/13/9	3300	58.0	8
EFD30/15/9	4700	69.0	12

EFD15 SMD LED drive transformer /SMPS electronicaltransformer 
*Low profile. *Low D.C. resistance and large permissibleDesign

• 
  

• EFD15 SMD power transformer Features:

• Low profile.

• Low D.C. resistance and large permissible D.C. current.

• Little co-planarity due to special design of construction.

• Wire burst resistant due to special construction.

• This can be surface mount assembly and reflow soldering is also possible.

• Available for mounting machine due to supply in a form of embossed tapecarrying. 
  
  USES: 
  

• Multi-output DC-DC converter transformer.

• Camcordey.

• LCD television set.

• Small size communicating equipment.

• Portable telephone.

• Personal Digital Assistants.




WINGING  SPECIFICATION: 

NO	S-F	WIRE	TURNS	TAPE	MARGIN TAPE	WINDS
N1	3--4	2UEWφ0.13*1P	180TS	2TS		Close
N2	1--	2UEWφ0.1*2P	Close	2TS		Close
N3	S--F	TILW-Bφ*0.3P	30TS	2TS		Close
N4	2--1	2UEWφ0.11*2P	32TS	2TS		Close

WINDING  DATA


NO.	ITEM	TEMINAL	SPECIFICATION	REMARKS
1	INDUCTANCE	L(2---1)	2.4MH±7%	1KHz 0.3V 25°C CH1062 METER
2	LEAKAGE INDUCTANCE	LK(3—4)	120UH MAX	10KHz 1V 25°C CH1062 METER
3	DRC
4	HI-POT	PRI-SEC	AC   3.75KV/5mA/1min	CS-2670METER
		PRI-CORE	AC   1.0KV/5mA/1min
		SEC-CORE	AC   1.0KV/5mA/1min
5	INSULATION RESISTANCE	PRI-SEC	DC 500V 100M OHM MIN	DF2672 METER
		PRI-CORE
		SEC-CORE

Packaging & Delivery

PART NO. & DIMENSIONS LINE:

[Note:Power and external dimensions of,the transformer may be designed to customers requirements.]

Product: