toroidal变压器

High-frequency transformer product specifications include: EE model transformer[EE10,EE13,EE19,EE22,EE25,EE28,EE30,EE42],EI model transformer[EI19,EI22,EI25,EI28,EI33,EI40],EF model transformer[EF20,EF25],EFD model transformer[EFD15,EFD20,EFD25,EFD30],ETD model transformer[ETD29,ETD34,ETD39],ER model transformer[ER25,ER28,ER35],ERL model transformerERL28,ERL35,ERL39,ERL42,ERL45],EEL model transformer[EEL16,EEL19],PQ model transformer[PQ2620,PQ2625,PQ3220,PQ3225],DS model transformer[DS30,DS33],RM model transformer[RM8,RM10],EP model transformer[EP17,EP19],EPC model transformer[EPC13,EPC17,EPC19],SMD model transformer and other model transformers. All these transformerproducts are widely used in computer peripherals, video equipments, lights, intrustments and meters, industrial control, communicating equipments, medical facilities, automobiles and other fields. Series of Low-frequency Transformer: Low-frequency transformers produced in our factory can be classified into needle-inserted transformers and bracket-like transformers(Lousing transformers) . All these transformer products are widely used in computer peripherals, video equipments, lights, intrustments and meters, industrial control, communicating equipments, medical facilities, automobiles and other fields. input voltage is selected,and output efficiency is high, damproof, unoise and vibration,and installution is convenient and space is little. the products have reached the international popular strandard on its safety and quality standard,which have been widely used in the line of electronic products,communication products,audio-visual devies,satellite broadcast television receiving appratuses,medical equipment and electric power system . Inverter Transformer Features: 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: Applicable to light up cold cathodes fluorescent lamp of display. Such as DSC, PDA, Scanner, Car Navigation, Notebook PC, LCD monitor ,Printer and LCD TV. Common Mode Choke Coil Features: 1.Excellent attenuation characteristics in low frequency band 2.Meets UL94V-0 flammability standard 3.Designed to meet UL, ICE and VDE requirements 4.Line filters suppressing conductive noise ranging from low to high frequencies generated at power supply circuits of various electronic equipment . 5.High safety and reliability . 6.Many configuration available. 7.Available as vertically or horizontally mounted. 8.Easy PC board mounting. 9.Customer's specifications are welcome. Application .Minimizes noise emissions for conforming to FCC, VCCI, FTZ, CISPR, JTTC and VDE. .Applied Equipment: EMI solution for switching power supplies, computers, televisions , monitors, projectors, AC/DC converters and general office equipments and A/V appliances. Characteristics : .Rated DC Current: The current when temperature of coil increases up to Max. T=40. (Ta=20) .Rated voltage: 250VAC. .Insulation: AC 2000V 1 minute between line & line. .Insulation Resistance: 100 MΩ Min when DC 500V between line & line. .Operating temperature : -25 to 105 . Test equipments and test setup : L : LCR meter @ 1KHz/1V . DCR : Milli-ohm meter . Insulation: 9072 AC/DC withstand/insulation tester. Inductor: Features : .Useful in a wide variety of power conversion and line filter applications . .Cost effective design. .Low volume hand wound to high volume automatic machine wound. .130 or 155 UEW-NY wire. .High saturation current. .Customer's specifications are welcome. Characteristics : .Suggested rated current: copper wire current density about 8.0 A/mm2. .Rated DC Current: It is either the inductance is 20% lower than its initial value in D.C. saturation characteristics or temperature raise becomes T=40 (Ta=20),whichever is lower. .Operating temperature : -55 to 125 . Applications : .Power supplies. Switching Circuits . .SCR and Triac Controls. Output chokes . .EMI / RFI chokes. .Other filter . Test equipment and test setup : L : CHROMA1061 LCR meter or equal. DCR : CHROMA3250 meter . .Electrical specifications at 25. Inductance and suggested frequency ranges : By the use of materials:IRON coil,MnZn coil,SENDUST coil,MPP coiland HI-FLUX coil... Iron coil .