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Help CenterFlyback Switching High Frequency Step Down Power Transformer For Power Supply
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Product Description
Technical parameter:
Working frequency: 20-500KHz
Output power: 80-250W
Working temperature: -40ºC~125ºC
Storage temperature: -25ºC~85ºC
Storage moisture: 30~95%
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.
Parts name | Customized EFD transformer | Type |
Core | Ferrite | ZP4A/DMR44 |
Bobbin | Phenolic molding compound(PMC),"LONGLITE" furnished as pellets, granular material, or powder. | T375 HF/PM-9823 |
Insulationg tape | Polyethylene terephthalate film insulating tape | Cat.No CT with suffixs, yellow color, rated 130 C*(C)(e)(g). |
Wire | Polyurethane magnet wire | UEW/155 |
Teflon tube | Polytetrafluoroethylene(PTFE) not-heat-shrinkable tubing | WF |
Varnish | Varnish | TVB2180T |
Solder | Pb free solder | Sn99.3 Cu 0.7 |
Short ring | Copper foil | T: 0.05mm W:10mm |
We could make custom-design transformers according to your requirement.
| Series | Feature |
| EE series | applied in the switching power supply,main power transformer |
| EF series | applied in the switching power supply,main power transformer |
| EFD series | Auxiliary powr transformer,main power transformer,choke coils |
| EPC series | Auxiliary powr transformer,main power transformer |
| PQ series | applied in the linear filter,choke,pulse transformer,drive transformer |
| EC/EER/ER series | applied in the linear filter ,current tranformer,smoothing choke coil, drive transformer, switching power transformers and chokes |
| EI series | Various kinds of transformers and chokes. |
| ETD series | Auxiliary powr transformer,main power transformer,choke coils |
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.
Send Inquiry to This Supplier
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