EFD Serials SMD Power Transformer Core High Frequency Transformer

• Customization: Available
• Application: Power, Electronic
• Phase: Single
• Model NO.: AL-I71
• Cooling Method: Dry-type Transformer
• Winding Type: Auto-transformer
• Certification: ISO9001-2000, ISO9001, CE
• Usage: Single-phase Transformer, Power Transformer
• Frequency Characteristics: High Frequency
• Shape of Core: EFD
• Brand: AL TRANSFO
• Working Frequency: 50Hz or 60Hz
• Material: 100% Copper
• Advantage: Factory Direct Price and Delivery Quickly
• Temperature Rise: <85 C
• Warranty: 2 Years
• Resistance: 4-1=670m+/-20% 5-1=980m+/-20%
• OEM: Welcomed
• Different Mounting Types: Lead-Wire Type, Rack Type, Plug-in Type, etc.
• Test: All Products Are 100% Test Passed and Hi-Pot Shock
• Advantages: Low No-Load Loss, High Efficiency
• Transport Package: Export Carton on Strong Pallet
• Specification: 100pcs/box
• Trademark: AL
• Origin: China
• HS Code: 85043190
• Production Capacity: 100000PCS/15days

Product Description

Product Description

Factory Direct SMD High Frequency Transformer

Model Number	EFD Type transformers SMD
Usage	High Frequency
Certification	RoHS Compliant
transformer	EFD / EFD20 EFD15 EFD25 SMD transformer
Bobbin	EFD series
Operating temperature	-40°C to +85°C
Leakage Indutance	PIN 3,4-1,2 = 400.0nH Max. @ 100KHz/0.1V (PIN 3-4,1-2,12-11-8-7 Short)
D.C.R	PIN 3,4-1,2 = 40 mohm Max. (PIN3-4,1-2 Short)
	PIN 5-6 = 220 mohm Max.
	PIN 7,8-11,12 = 120 mohm Max.(PIN7-8,11-12 Short)
Turn Ratio:	PIN 7,8-11,12 : PIN 3,4-1,2 = 2.3±3%:1(PIN1-2,3-4,7-8,11-12 Short)
	PIN 7,8-11,12 : PIN 5-6 = 3.83±3%:1(PIN1-2,3-4,7-8,11-12 Short)
Hi-POT :	PRI. - SEC. = 1500VAC/2Sec/1mA

 

Characteristic:
1. Supply high voltage and withstand voltage;
2. Operation frequency range from 40 to 80 KHz;
3. Deliver Output Power from 1.5 to 25 watts;
4. Slim or low profile Type easily built in your design;
5. Available in through-hole and SMT recess or gull wing type;
6. Operate in Royer , direct IC drive and other topologies.

Application:
1. Multi-output DC-DC converter transformer. 
2. Camcordey. 
3. LCD television set. 
4. Small size communicating equipment. 
5. Portable telephone. 
6. Personal Digital Assistants.
7. Applicable to light up cold cathodes fluorescent lamp of display.
8. DSC, PDA, Scanner, Car Navigation, Notebook PC, LCD monitor and LCD TV, etc

Packaging & Shipping
 

 

Our Services

1. Sample order is welcome.

2 . Fasted delivery to meet customers' need.

3. Customized packing and customer's LOGO (OEM service) are accepted 

4. Various transport ways : by sea, by air & freight company(DHL,FEDEX,UPS,TNT,EMS...)

5. Your inquiry will be replied within 24 hours.

6..Our products will be 100% test before shipping by our workers and QC

7. Good after-sale service offered, please send us feedbacks if you have any question.

8.We provide one-stop service.


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FAQ

1. Question: Lead time for samples?

    Reply: 3-5 working days.

2. Question: Lead time for mass production?

     Reply: 7 to 15 working days or depending on order quantity.

3. Question: What should provide to make custom  transformer ?

    Reply: Supply drawing is best, or tells us the size, inductance, resistance and etc.

4 . Question : What is payment term ?

    Reply : T/T , Western Union , PayPal or negotiation.