EFD 220V High Frequency Transformers Doorbell Transformer

Product Description

Technical parameter:

• Working frequency: 20-500KHz

• Output power: 80-250W

• Working temperature: -40ºC~125ºC

• Storage temperature: -25ºC~85ºC

• Storage moisture: 30~95%

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HF Transformers Features:

1) Specially used in switching power supply and kinds of high-frequency circuit; 
2) Plays a role in oscillating and separating; 
3) Small volume, light weight and nice appearance.

We could make custom-design transformers according to your requirement. 

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.

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.