GlobTek, Inc. - Northvale, NJ
Manufacturer, Custom Manufacturer
Woman-owned manufacturer of communication system transformers. Power rating ranges between 1 - 500 W with operating temperatures of 0 - 70-degrees C. Applications include switching power supplies, medical equipment, display monitors, terminals, communication & radio. UL, VDE, & TUV certified. ISO 9001:2000 registered.
www.globtek.com/html/transf6.html

Lenco Electronics, Inc. - McHenry, IL
Manufacturer, Custom Manufacturer
Custom manufacturer of battery charging & communication system transformers. Transformers such as converter transformers, current transformers, filament transformers, R-core transformers, inverter transformers, low profile transformers, control transformers, 400 Hz transformers, audio transformers, switch mode transformers, plate transformers, medical (UL 2601/IEC 601) transformers, hi-temperature (Class H per UL 1446) & pot core transformers are available. Products such as autotransformers, single phase transformers, three phase autotransformers, three phase isolation transformers, small PC transformers & AC/DC constant voltage transformers are also available.
www.lenco-elect.com/custom_transformers.htm

SNC Manufacturing Co., Inc. - Oshkosh, WI
Manufacturer, Custom Manufacturer
Custom manufacturer of communication system transformers including radio frequency (RF) transformers available in 0.5 in. W x 0.5 in. H size with 100 kHz frequency. Constant voltage, current, ferroresonant, filament, inverter, isolation & audio transformers are also available. ISO 9002 compliant, with JIT delivery & warranty services available.
Brand Names: SNC
www.sncmfg.com/telecom/products/telephone-l...

Electronetics, LLC - Everett, WA
Manufacturer, Custom Manufacturer
Custom manufacturer of transformers such as power transformers, auto transformers, high frequency magnetic transformers, voltage & current sensing transformers, constant voltage transformers, surface mount transformers, & planar magnetic transformers. Available in a wide range of operating frequencies, 1 or 3 phase operations, & core & coil materials. Capabilities include automated winding, toroid winding, vacuum impregnation, laminating, lean manufacturing, testing, advanced CAE, & prototype to high volume production. Quality assurance processing includes parametric acceptance testing, Hipot testing & visual inspection services. Lean manufacturing capable. CSA, UL & TUV compliant.
electronetics.thomasnet-navigator.com/categ...

Custom Magnetics, Inc. - North Manchester, IN
Distributor, Manufacturer, Custom Manufacturer
Custom manufacturer of transformers for audio, communication system & computer applications. Types of transformers include laminated transformers, ferrite core transformers, toroidal transformers, rectangular-core transformers & standard lines transformers. Standard lines transformers such as voice & data transformers & split bobbin transformers are available. Transformers are available in different shapes, sizes & power capacity models. Split bobbin transformers meet UL® & CSA® standards.
www.custommag.com/products/products.shtml

Endicott Coil Co., Inc. - Binghamton, NY
Custom Manufacturer
Custom manufacturer of transformers used in communication systems applications. Types of transformers include power transformers, isolation transformers, current transformers, step-up/step-down transformers, flyback transformers, instrument transformers, current sensing transformers, autotransformers, switch mode power supply transformers, printed circuit board (PCB) assemblies transformers and ferrite transformers. Available in series and parallel configurations in power ratings from 3 VA to 56 VA and secondary voltage ratings from 10 V to 36 V. Capabilities include prototyping, design/engineering, in-house tooling, molding, vacuum impregnation, encapsulating, ultrasonic welding and assembly. Meets UL® and CSA® standards. RoHS compliant.
www.endicottcoil.com/custom-transformer-man...

EMRA Controls, Inc. - Auburn, WA
Manufacturers' Rep, Service Company
Mfr's rep. specializing in transformers for communication systems, computers and inverters. Controls, sensors, thermocouples, inductors, relays, light curtains, cord grips, connectors, transducers, switches and microprocessors are also available.
www.emracontrols.com/

Magnetic Specialties, Inc. - Telford, PA
Manufacturer, Custom Manufacturer
Custom manufacturer of RF transformers for communication systems & radios. Types also include ferroresonant, specialty, rectifier, filament, isolation, plate, constant voltage regulator, instrument, furnace, potential & output transformers. Transformers up to 500 kVA power are also available.
www.magspecinc.com/transformers.html

Schott Magnetics - San Diego, CA
Manufacturer, Custom Manufacturer
ISO 9001:2000 certified manufacturer of standard & custom communication system transformers. Transformers also include HWT power transformers, pot core transformers, flyback transformers, toroidal transformers, pulse transformers & surface mount transformers. Design services for transformers, coils, chokes & inductors available. Applications include power supply, military, medical, test & measurement, industrial, automotive & commercial. UL®, CSA®, IEC, FCC & EN60950 certified. Products are RoHS compliant & lead (Pb) free.
www.schottcorp.com/products_area/products.a...

Glen Magnetics, Inc. - Alpha, NJ
Manufacturer, Custom Manufacturer
Manufacturer & custom manufacturer of transformers including bell & ringing & signalling, buck, boost, chassis mount, communication system, computer transformers. 2 kVA industrial grade step-up or step-down power isolation transformer, isolation power transformer, transformer designed for international agency approvals & worldwide voltage sources. Leads are harnessed with customer-selected terminals for quick installation, multi-tap power transformer, auto transformer (buck/boost), ferroresonant transformer, isolation power transformer with split primaries and taps with capability of adapting voltages for worldwide applications. Leads can be color coded & cut to any length.
www.glenmagnetics.com

Communication Coil, Inc. - Schiller Park, IL
Manufacturer, Custom Manufacturer
Manufacturer of custom RF & power transformers; air core, toroidal, pot core, ferrite, SMPS. Inductors, coils; non-magnetic. LC filters, chokes, & baluns for medical, military, airborne, marine, instrumentation, industrial & wireless communications.
www.communicationcoil.com/transform.html

Microtran Div., Tamura Corp. of America - Temecula, CA
Manufacturer, Custom Manufacturer
Constructions Meet FCC Part 68, UL, CSA, IEC Standards

RAF Tabtronics LLC - DeLand, FL
Manufacturer, Custom Manufacturer
ISO 9001 & AS 9100 certified custom manufacturer of transformers for communication system. Types of transformers include bridge converter transformers, forward converter transformers & resonant transformers. Bridge transformers are available with 150 kHz switching frequency. Specifications of forward converters include 100 kHz switching frequency. Forward converter with 500 kHz switching frequency also available.

Filtran Ltd., API Electronics Group - Ottawa, ON
Manufacturer, Custom Manufacturer
Manufacturers Of Tranformers Of All Types, Power Ratings & Applications. Laminated, Ferrite Based, Toroidal. Audio Frequency To RF. Chassis Mount, Thru Hole Or Surface Mount

Accusonic Products - Bay Shore, NY
Manufacturer
Manufacturer of microphones, loud speakers, headphones & earphones, environmental test laboratory for electro acoustics.

Sag Harbor Industries, Inc. - Sag Harbor, NY
Manufacturer, Custom Manufacturer
ISO 9001:2000 certified manufacturer of custom built transformers including communication system transformers & audio transformers. Features include low-high voltage, single & three phase, up to 5 KVA maximum, multi-winding & power transformers, ignition transformers & negative ion power supplies, ultra miniature, sub-miniature, miniature toroidal, PC mount configuration, ferrite core toroidal transformers, potted paper layer wound, wax & epoxy impregnated, open frame & laminated & pie windings. Industries served include electromechanical, electromagnetic & electronic.

Magnetic Windings Co. - Easton, PA
Manufacturer, Custom Manufacturer
Custom designed transformers, coils & inductors: isolation, audio, ferrite, ferroresonant, three phase, high voltage, chokes, encapsulated. Power capabilities up to 10KVA single phase & 30KVA three phase.

Wurth Electronics Midcom Inc. - Watertown, SD
Manufacturer
Manufacturers Of Transformers & Inductors For Telecommunications & Power

Precision Electronics, Inc. - Copiague, NY
Manufacturer, Custom Manufacturer
Custom manufacturer of transformers including class 2, coaxial, computer, communication system, & constant current regulator transformer. Input frequency of industrial transformers ranges from 50 Hz to 65 Hz, efficiency ranges from 90 % to 95 %, & temperature ranges from 60 degrees C to 80 degrees C. Frequency of industrial power transformers ranges from 380 Hz to 1000 Hz. Isolation transformers including step-down, & step-down auto transformers are available with primary & secondary types. Primary type ranges from 120 V to 240 V& secondary type includes 120 V. Standard female receptacles & electrostatic shield including cord & plug are available. Meets MIL-T-27, MIL-STD-2000, & MIL-I-45208 specifications.

Atc-Frost - Oakville, ON
Manufacturer, Custom Manufacturer
Manufacturers Of Custom & Standard Transformers. UL & CSA Approved, IEC Approvable

CMI - Corona Magnetics, Inc. - Corona, CA
Manufacturer, Custom Manufacturer, Service Company
Design & Manufacture Of Custom & Build-To-Print Magnetics, With Three Decades Of Experience. Military, Aerospace, Medical, & Commercial Markets. Toroidal, Bobbin, & Self-Supporting Types

T.I. CHEN Associates - Tacoma, WA
Distributor, Service Company
Distributor for manufacturers of custom precision transformer products. Products designed & manufactured in accordance with the customer's design requirements or engineering design documentation.

Electronic Products Design, Inc. - Wendell, NC
Manufacturer, Custom Manufacturer, Service Company
Custom Design & Manufacturing Of Telemetry Systems, Transformers, Inductors, Chokes, Coils & Control Systems

Dia-Netics, Inc. - Chatsworth, CA
Manufacturer, Custom Manufacturer, Service Company
Precision Coils, Thin Wall Fabricated Bobbins, Transformers

Northlake Engineering, Inc. - Bristol, WI
Manufacturer, Custom Manufacturer
Custom Magnetics, Iron, Ferrite, C-Cores, Bobbins, Papersection & Toroids