3LGlobal
Manufacturer of electronic components such as inductors, coils, and other magnetics.
http://www.3lglobal.comA1 transformers
Transformers made to order in days, from 1VA to 750KVA.
http://www.panel-transformers.co.uk/
Aakash Electricials
Maker of small power transformers, coils, and power transformers. From India
http://www.aakashtransformers.com/
Abc Taiwan Electronics
Manufacturer of inductive and magnetic components. From Taiwan.
http://www.abctwn.com.tw/
Actown Electrocoil and Industrial Coils
Manufacturer of industrial coils and high voltage transformers.
http://www.actown.com/
AEM, Inc.
Manufacturer of ferrite beads, ferrite inductors, ceramic inductors, and high-reliability fuses.
http://www.aem-usa.com
Agelec Industrial transformers and inductors
Manufacturer of custom single and multi-phase power transformers from 1 to 4000KVA; chokes to 10KA for more than 50 years. Also makes specialty test transformers and reactors. Located in Grenoble, France.
http://www.agecelec.com/index.php?newlang=english
Altran Corporation
Designs and manufacturers all varieties of transformers and inductors.
http://www.altrancorp.com
AM Transformers
UK manufacturers and distributors of transformers and related products.
http://www.am-transformers.com
Amecon, Inc.
Manufacturer of magnetic components including chokes and coils, inductors, cores, filters, relays, transformers and ballasts, current sensors and instrumentation products.
http://www.ameconinc.com/
Anglia Transformers
Manufacturers of transformers, chokes and inductors to customer specifications. From UK.
http://www.angliatransformers.co.uk/
Anla Technology Co., Ltd.
Manufacturer of surface mount wire wound EMC components, multilayer chip beads and inductors, SMD power inductors, line filter, choke coils, and SMT radial type coil.
http://www.anla.com.tw/
Aqsa Stamping
Manufacturer of transformer laminations: E&I, toroidal core. From India.
http://www.aqsastamping.com/
Audio Transformers Shinrock
Manufacturer of audio transformers for tube amplifiers. Technical information and formulas for design and measurement.
http://www.shinrock.com
Australian Tortech Transformers
Global manufacturer and distributor of toroidal and conventional transformers, chokes and plug packs located in Sydney, Australia.
http://www.tortech.com.au
BLOCK GmbH
Specialist in the manufacture of transformers, power supplies and EMC filters.
http://blockuk.co.uk
Bomag USA, LLC
Design and manufacturing of electromagnetic devices.
http://www.bomagusa.com/
Canduct Industries Limited
Manufacturer of insulation components and cylinder kits for oil-filled electrical transformers.
http://canduct.com
CET Technology
Manufacturer of power, audio, and telecom transformers, inductors, chokes, toroids, linear and switching power supplies.
http://www.cettechnology.com
Chint Transformer Co.,Ltd.
Manufacturer of power transformers, rectifier transformers, auto negative boosting starters, motor soft-starters and frequency sensitive rheostats.
http://www.chint-transformer.com
Chirk Industry Co., Ltd.
Manufacturer of high voltage transformers, high voltage switching power supplies, negative ion generators, ozone generators, and electrostatic precipitators.
http://www.chirkindustry.com
Cibisol S.r.l.
Offers a range of components in electric winding of transformers, motors and chokes.
http://www.cibisolweb.it
CineMag
Manufacturer of professional grade audio transformers and inductors.
http://www.cinemag.biz
Cletronics Inc.
Manufacture and repair/replacement of custom magnetics.
http://www.cletronics.com/
Click Technology Limited
Manufacturer of high frequency, power, linear and SMD transformers; wave filter. From Hong Kong.
http://www.top-leader.com.hk/
Coil Master Co., Ltd.
Manufacturer of Coils, Inductors and Magnets.
http://www.coil-master.com
Coil Tec Of Arizona, Inc.
Manufacturer of transformers, coils, inductors and chokes.
http://www.coiltecofaz.com
Coilmaster Electronics Co., Ltd.
Manufacturer of inductors: SMT power, wire wound, single and multilayer ceramic chip, wire wound ferrite, common mode chokes.
http://www.coilmaster.com.tw/
Coils Unlimited
Designers and manufacturers of custom and standard wound magnetics components.
http://coilsunlimited.com
Coin Electronics CO.,LTD
Manufacturer of switch mode power supplies, power transformers and filters. Compliance with ISO9001,UL,CE,GS,CCEE. Two sites. From China.
http://www.coinelectronics.com
Communication Associates
Manufacture electronic components for the CATV and telecommunications industry including transformers, chokes, wound magnetics, air coils, inductive, and magnetic components.
http://www.caisolutions.com
CoreMaster International, Inc.
Manufacturer of soft magnetic cores.
http://www.coremaster.com
Cramer Magnetics
Manufacturer of transformers and inductors for linear and switchmode power up to 1KW.
http://www.cramerco.com/
CT Magnetics
Source for power magnetics, transformers, chokes, coils for worldwide medical, communications, industrial and military industries
http://www.ctmmagnetics.com
Custom Magnetics
ISO 9001 approved supplier of custom wound transformers and coils.
http://www.custommag.com
D&M's High Voltage, Inc.
Manufacture specialty single and three phase transformers - high current, high voltage, zig-zag, phase shifting, autotransformers, isolation, rectifier, inductors, reactors, saturable reactors, and AC/DC power supplies.
http://www.DMsHV.com
Datatronic, Ltd.
Manufacturer of wirewound SMPS, power, gate drive, and current sense transformers, SMD inductors, inductors, chokes and RF magnetic components
http://www.datatronics.com
Delta Transformer Co.,Inc.
Repairs and rebuilds resistance welder transformers.
http://www.delta-transformer.com
E & E Magnetic Products Ltd
Designs and manufactures transformers, noise filters and common mode chokes for broadband access, LAN and telecom applications.
http://www.eleceltek.com
EG Magnetic Technology
Manufacturer of inductors, filters, transformers and chokes suitable for datacom, telecom and power supply applications.
http://www.eg-mtc.com
EK Magnetics
Manufacturer of surface mount/through-hole transformers and inductors, common mode chokes, air coils, toroids, balun, solenoids, and magnetics components for the power and telecom industry.
http://www.ekglobal.com
Electrical Power And Applications - E.P. & A nv
Electrical products for medium voltage and electrical equipment for port cranes.
http://www.ep-a.be
Electro Assemblies Corporation
Manufacturer of toroidal, laminated and ferrite magnetics.
http://electroassemblies.com
Electrohms Private Limited
Current, voltage transformers for metering and protection. XDSL, ISDN, LAN magnetics for telecom
http://www.electrohms.com
Electroterm srl
Designs and manufactures medium frequency transformers and chokes for induction heating applications.
http://www.electroterm.ro
Elettronica Rossoni
Maker of chokes and transformers, surface mount, driver, toroidal coils, mains filters, wound components, for lighting.
http://www.elettronicarossoni.it/indexen.html
Empro Technology Corporation
Manufacturer transformers and SMD power inductors.
http://www.empro.com.tw/
Ensign Corporation
Manufacturer of electronic transformers and adapters for industrial and commercial applications.
http://www.ensigncorp.com/
Ericon Transformers
Designs, manufactures Current and Voltage Transformers including Low Tension and High Tension types.
http://www.ericontransformers.com
Falco Electronics, Mexico
Manufacturer of PCB mountable transformers and inductors; common mode chokes, base/gate drive, EMI suppression, current sense, switchmode, DC/DC converters and xDSL.
http://www.falco.com/
FELCO - The Forest Electric Company
Manufacturer of custom, specialty transformers.
http://www.forestelectric.com
Ferroperm UK Ltd.
Specialized manufacturer of magnetic electronic components, including inductors, filters and transformers.
http://www.ferroperm.co.uk/
Fi-Sonik
Manufacturer of Permalloy, Amorphous and Cobalt, Transformer Materials, Vacuum Tubes, Amplifier Parts and Accessories for DIY.
http://www.fi-sonik.com
Filtran, Ltd
Designer and manufacturer of magnetics, transformers, power supplies, filters, inductors and chokes for the telecommunications industry.
http://www.filtran.com
Foshan Wing Hang Electrical Ltd.
Provides toroidal and EI laminated transformers to 500VA.
http://www.winghang-cn.com
GB International
Manufacturer of transformers, current sensors and inductors
http://www.gbint.com
Gold Seal Electronics Ltd
Manufacturer of toroidal transformers, chokes, inductors and other wound components. From UK.
http://www.transformersareus.co.uk/
Gowanda Electronics
Manufacturer of inductors, coils, transformers and chokes.
http://www.gowanda.com/
Halo Electronics
Manufacturer of filters and transformer modules for networking and data communications applications.
http://www.haloelectronics.com
HanYoung Electric
Manufacturer of HID ballast, HID lamp, industrial, fluorescent and neon transformers. From Korea.
http://www.hanyoungelc.com/
Helmut Penka Handelsvertretung
Represents manufacturer of inductive components such as toroidal transformers, chokes, push-pull converter, current transformers
http://www.handelsvertretung-penka.de/gbindex.htm
Hi-Tech Electronics
Maker of custom built transformers, solenoid coils and coil windings; contract assembly.
http://www.hitechwindings.com
Hurricane Electronics Lab Inc.
Manufacturer of inductors, transformers, chokes, coils, current transformers, and filters for use in buck, boost, flyback, and sepic switch mode power supplies.
http://www.hurricaneelectronics.com/
ICE Components - Standard and custom magnetic components
Supplier of standard and custom passive magnetic components.
http://www.icecomponents.com/
Inducomp GmbH
Manufacturer of custom inductive components, toroidal transformers, chokes and converters for audio, power and medical applications.
http://www.inducomp-gmbh.de
Inductive Technologies, LLC
Manufacturer of surface mount transformers, inductors, pot core and common mode chokes, and coils.
http://www.inductech.com/
Induktorindo
Manufacturer of inductive components in Indonesia.
http://www.induktor.co.id
Integrity Technology Corporation
Manufacturer of telephone, modem and CCFL transformers, inductors and coils.
http://www.integritytechnology.net/
Jensen Transformers
Manufacturer of high-fidelity audio and specialty transformers. Good source of valuable technical information on the use of transformers.
http://www.jensen-transformers.com/
JJ Transformers
Manufacturing of toroidal coils, transformers and power supplies.
http://www.jj-transformers.co.uk/
Johnson Electric Coil
Designer and manufacturer of single, three phase, high voltage transformers and autotransformers.
http://www.johnsoncoil.com
Kaifa Optical and Magnetic components
Supplier of air coils, baluns, power inductors, chip inductors, transformers, self bonded coil, SMT or leaded. From China.
http://www.kaifaom.com
Kindrace
Manufacture of transformers, coils, chokes, power supplies and battery charges.
http://www.kindrace.co.uk/
kosed Corporation
Manufacturer of inductive reactors, noise isolation and transmission-line transformers, toroidal and specialty transfromers. From Korea.
http://www.kosed.com
Lare - Maffi
Manufacturer of autotransformers, single and three-phase transformers, voltage stabilizers. From Italy.
http://www.lare-maffi.com
Leightner Electronics, Inc.
Designer and manufacturer of transformers, inductors & reactors for military, aerospace, oilfield (downhole),medical & commercial applications.
http://www.leightner.com
Lion Electronics Ent. Co., Ltd.
Manufacturers and designs transformers, inductor, coils and chip beads.
http://www.lion.com.tw/
MaCoDe
Software package for magnetic component design. Free.
http://perc.nuigalway.ie/macode/
Magnum Transformer
Designer and manufacturer of 50/60 Hz power transformers, High Frequency magnetics, Planar Magnetics, and SMT Transformers.
http://www.MagnumTransformer.com
Matsuta Company, Ltd. (MCL)
Manufactures many kinds of coils and transformers and chokes. Two locations in China: Dongguan and Zhongshan, more than 1000 workers.
http://www.matsuta.com.hk
MCI Transformer
Manufacturers of "off the shelf" type 50/60 hz transformers, PC and chassis types, Custom products. Toroids and High Frequency, drum core inductors, inductors, current sensors. UL,CSA,TUV recognized transformers.
http://www.mcitransformer.com
Midcom, Inc.
Manufacturer of telecommunications and power transformers and inductors.
http://www.midcom-inc.com
Minntronix Corporation
Manufacturer of transformers and inductors for telecom and power supply applications.
http://www.minntronix.com
Miracle Electronics
Manufacturer of toroidal, E&I, audio line and low-profile transformers.
http://www.toroidal.com
Mitchell Electronics
A family business, owned, managed, and operated by 3 generations. Maker of custom transformers and inductors, emphasizes a personal touch.
http://www.yesmec.com/
National Material LP Magnetic Materials Group
Technical and design information on soft magnetic materials used in the transformer and motor industry.
http://nmlp.hypermart.net
New Delhi Laboratories Private Limited
A New Delhi, India based company specializing in preventive care of distribution transformers.
http://www.newdelhilab.com
Nova Magnetics
Manufactures a wide range of transformers and inductors at facilities in Garland, Texas with manufacturing partnership in Mexico.
http://www.novamagnetics.com
NSOEM, Inc.
Electrical Transformers from 25 VA to 200 MVA, Liquid filled, Dry-Type and Cast Coil
http://www.nsoem.com
Nuvotem Talema
Designer and manufacturer of toroidal transformers, chokes, and inductors, and other toroidal magnetic components.
http://www.nuvotem.com
Osec 2000 Transformers and Inductors
Manufacturer of custom transformers, chokes, inductors, and coils
http://www.osec.co.uk
Oxford Electrical Products Ltd
UK based company, designs manufactures and markets wound components and power sources for the OEM electronics manufacturing sector.
http://www.oep.co.uk
P.A. Electronics Corporation
Manufactures custom military and commercial magnetics. Manufactures and markets the Vernistat product line.
http://www.paelectronics.com/
Para-Line Transformer Co., Inc.
Manufacturers of stock and custom transformers, chokes, and inductors.
http://paraline.com/
Parker Overseas
Designs, manufactures wound magnetic components for Electronics and Telecommunications.
http://www.parker-overseas.com
Payton Group
Payton develops magnetic components, with sales offices and plants in Israel, Europe, India, United States and the Far East. Manufacturer of both conventional and planar transformers, custom and off-shelf products available.
http://www.paytongroup.com
Planar Magnetics Ltd
Planar Magnetics offers an expert, dedicated design and manufacturing resource for planar transformer technology and low profile ferrite components.
http://www.planarmagnetics.com/
Polara Engineering
Manufacturer of delay lines and custom magnetic components such as inductors, air coils, pulse transformers and custom LC devices.
http://www.polaraeng.com
Precision, Inc.
Engineering-driven, high-tech manufacturer of custom and standard magnetic components.
http://www.precision-inc.com
Prem Magnetics Inc.
Maker of an extensive line of power and telephony transformers, inductors, and CRT display magnetics.
http://www.premmag.com
Procoil Enterprise Co., Ltd.
Manufacturer of power inductors, choke coils, transformers, EMI core, Mn-Zn and Ni-Zn cores and chip inductors. From Taiwan.
http://www.procoil.com.tw/
Pulse Engineering, Inc
Manufacturer of inductors and transformers for power supply and data communications applications.
http://www.pulseeng.com/
Radius Power
Manufacturer of power transformers and chokes, interconnect and cable assemblies
http://www.radiuspower.com
Regional Mfg. Specialists, Inc.
Manufacturer of transformers and inductors.
http://www.regionalmfg.com/
Reo Components
Supplier of components to the power electronics industry. Specialities are wound, inductive components, EMC filters and transformers.
http://www.reocomponents.com
Richard Sumner Technology
Manufacture quality toroid products.
http://www.sumr.com/
Robison Electronics, Inc.
Encapsulation shells, component mounting insulators and specialty molded plastic items such as hybrid covers and mounting systems for magnetics.
http://www.robisonelectronics.com/
Rodon Products, Inc.
Custom coil winding. Transformers, inductors, self-supported, high-temperature, encapsulated. Prototyping, and high volume. Commercial and military/aerospace. Mil-I-45208A facility.
http://www.rodonproducts.com
Rotacional
Design and manufacture of custom and off-shelf transformers and inductors for the electronics industry. Prototyping and high volume magnetics for applications such as: telecom, xDSL, instrumentation and DC/DC converters.
http://www.rotacional.com
Santronics, Inc.
Designs and manufactures magnetic components, inductors, chokes, RF trimmers, and transformers. Design to compliance with spacings, insulation, dielectric strength per UL, CSA, and IEC standards.
http://www.santronics-usa.com
SARAH Inc.
Design and manufacture of transformers for telecommunications, power, surge and noise suppression, constant voltage; inductors.
http://www.sarah-grp.com
Sentran Corporation
Manufacturer of precision current transfomers and transducers, specializing in low phase shift.
http://www.sentrancorp.com
Shenzhen Hongguangxin Electronic Co Ltd
Manufacturer of power transformers, and rechargeable lantern transformers in normal and SMD packages, and inductor coils.
http://www.hongguangxin.com
Skandinavian Transformer Sp. z o.o.
Manufacturer of single and three phase transformers, reactors and coils with toroidal, EI, UI, 3UI and ferrite cores.
http://www.skandinaviantransformer.com.pl/en/index.html
Skot Transformers Ltd.
Manufacturer of power transformers, line reactors, chokes and power supplies which range from 3VA to over 3MVA. From UK.
http://www.skot.co.uk/
Stroptel
Manufacturer of transformers, chokes, inductors and toroids to customer specifications. From Slovakia.
http://www.stroptel.sk
Suzhou Beita Electronic Appliance Factory
Manufacturer of transformers and inductors near Suzhou, China.
http://www.std-btele.com
Tabtronics Inc.
Manufacturer of custom electromagnetics. Transformers, coils and conductors, in low to mid volume.
http://www.tabtronics.com/
Talema Electronics Inc.
Manufacturer of toroidal inductors, transformers and toroidal engineering kits. Online line card and electrical and mechanical specifications.
http://www.talema.com/
Tamura Europe
Manufacturers of transformers and inductors for all applications.
http://www.tamura-europe.co.uk/
Taunus Transformatoren
Transformers to convert 100-120V to 220-240V etc. Designed to power equipment designed to run on international voltages using local power mains. Germany.
http://www.transformers.taunus.biz
Thai Lin Radio Coil Mfy. Ltd.
Manufacturer of choke coils, EMI filters, inductors, power supplies, and transformers.
http://www.thailin.com.hk
Torema Australia
Custom design and manufacture of wound toroidal products; power transformers, current transformers, audio output transformers and Chokes.
http://www.torema.com.au
Toroid International
Design and manufacture of high-performance toroidal transformers and chokes
http://www.toroid.co.uk/
Trans Mag Corporation
Located in Lowell, Massachusetts, TransMag provides transformers, inductors and coils for the commercial, medical, military and high-reliability markets.
http://www.transmagcorp.com
Transcendar Transformer Corp.
Manufacturer of transformers, inductors, and coils for power supplies and tube amplifiers; small printed circuit mount transformers to 10 KVA power transformers.
http://my.name-services.com/24918
Transera Electronics
Manufacturer of ignition coils, inductors, encapsulated transformers, charging inductors. Serving automotive, appliance and HVAC industries.
http://www.coils-transformers.com
Transformer & Electrical Co Ltd
Manufacturers of air and oil cooled transformers, chokes, and rectifier units, specializing in custom construction.
http://www.teccoltd.demon.co.uk
Transformer Service Inc.
Offers testing, maintenance and repair services of electrical substation and distribution transformers.
http://www.transformer-svc.com
Transformers Inc. - Coil Tran
Designer and manufacturer of custom transformers and inductors.
http://www.transformersinc.com
Transtech Mfg. Pvt. Ltd.
Manufacturers Of Low Tension Power Transformers, Stabilizers, UPS, Inverters, Rectifiers, Variacs. From India.
http://www.nandadeeptmpl.com/
Transtek Magnetics
Manufacturer of transformers, coils, inductors for telecommunication and networking and power applications.
http://www.transtekmagnetics.com/
Tri Technology
Manufacturer of wound components including transformers, inductors and general coils, also offering surface mount PCB assembly service.
http://www.tritechnology.co.uk
TSC Electronics, Ltd.
Manufacturer of inductors, chokes, coils, transformers, ferrites and magnetics, capacitors and EMI suppression modules.
http://www.tscgroup.com
Universal Microelectronics Co., Ltd.
Manufacturing transformers, power supplies, videophones, internet screen phones, ADSL modems / routers, fiber optical components and general contract manufacturing of electronic components.
http://www.umec-web.com/
Upfold Electronics
Manufacturer of electronic components including coils, ferrite cores, inductors, ICs and piezoelectric transformers.
http://www.upfold.com.hk/
V&F Transformer Corporation
Manufactures custom transformers in production quantities as well as toroid, linear, foil wrapped and chokes.
http://www.vf-transformer.com/
Vanson Electronics Ltd
Manufacturer and exporter of battery charger, adaptor, power supplies, converters, transformers and batteries.
http://www.vanson.com.hk/
Villa Industrias
Manufacturer of transformers, EI and TL silicon steel laminations, HID and other ballasts.
http://www.villaindustrias.com/catalogos/eindex.html
Virtual Magnetics
Developer of virtual magnetics - Ingenieurbuero (engineer) Richard Bernauer develops inductive components, with an emphasis on planar transformers
http://virtual-magnetics.de/indexenglish.htm
Voltech Instruments
Transformer test and power analysis equipment. Equipment for measuring inductance, capacitance, resistance, turns ratio, leakage, magnetising current, turns ratio, power, watts, harmonics and flicker.
http://www.voltech.com
Vs-Top Electronics Co., Ltd.
Manufacturer of magnetic components located in Mainland China.
http://www.vs-top.com
Welkuan Precision Ind. Co. Ltd
Manufacturer of various transformer lamiantion, riveted parts, tooling design.
http://www.welkuan.com.tw
Wendeng Sanji Electronics Co., Ltd.
Vendor of degaussing coils, filters, transformers, chokes, coils, delay lines.
http://www.sanji.com/
Werner Schaffer Transformatoren GmbH & Co KG
Manufacturer of Transformers, Chokes and Coils
http://www.schaffer.de
West Coast Magnetics
Manufacturer of power and RF magnetics including RF inductors, power inductors, current transformers, common mode chokes, switch mode transformers and 60 Hz transformers.
http://www.wcmagnetics.com
Wirebenders Manufacturing
Manufacture coils, transformers, and inductors.
http://www.wirebenders.com
www.torotrans.com/
Manufacturer of toroidal power and current transformers. Located in India.
http://www.torotrans.com/
Xfmrs, Inc.
Manufacturer of transformers for data communications, audio and telecommunications.
http://www.xfmrs.com/
Xiamen Coin Electronics Co., Ltd.
Manufacturer of magnetic products and switchmode power supplies from China. Products include transformers, inductors, line filters, current sensors, custom magnets and AC/DC & DC/DC converters.
http://www.coin-xm.com
Yasho Electric Works
Manufacturers of transformers, chokes and line reactors. From India.
http://www.yashoelectric.com/
Yuanxing Electronics Co, Ltd
Founded in 1998. Main products are: Current transformers, Voltage transformers, Clamp-on current transformers.
http://www.yuanxing-china.com
Zhuhai Alite Electronics Enterprise Co.,Ltd.
Manufacturer of switching and linear power transformers, line filter coil, choke coil and SMD transformers.
http://www.alite.com.cn
Zion Electronic Services
Manufacturer of toroidal transformers and switching mode chokes.
http://www.zion.org.uk
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