GlobTek, Inc. - Northvale, NJ
Manufacturer, Custom Manufacturer
Woman-owned manufacturer of differential transformers available with numerous outputs/voltages, & country configurations. Miniature transformers, high frequency transformers, coils & magnetics are also available. ISO 9001:2000 registered.
www.globtek.com/html/transformers.html

Measurement Specialties, Inc. - Hampton, VA
Manufacturer, Custom Manufacturer, Service Company
Design & manufacturer of sensor products to meet application requirements in many industries including automotive, off-road, medical, industrial, consumer, military/aerospace, test/measurement & traffic applications.
www.meas-spec.com

WEG Electric Corp. - Duluth, GA
Distributor, Custom Manufacturer
ISO 9001:2000 & ISO 14001:2004 certified custom manufacturer of differential transformers. Specifications of differential transformers include 34.5 kV to 550 kV voltage & 10 MVA to 400 MVA output. Differential transformers are suitable for textile, pulp & paper, cement, petrochemical, steel plant & mining applications. Meets ANSI, IEEE, IEC & ABNT standards.
www.weg.net/us/Products-Services/Energy/Gen...

RDP Electrosense, Inc. - Pottstown, PA
Manufacturer, Custom Manufacturer
ISO 9001:2000 certified manufacturer of LVDT displacement & gauging transducers. Standard models are available in various mechanical configurations in both AC & DC to DC versions with outputs of plus/minus 5 volts, 0 to 10 volts & 2 wire 4-20 ma loop powered. Improved linearity specifications of plus/minus 0.1 percent available for most models. Measuring ranges start at plus/minus 0.25 mm (0.01 inch) & go up to plus/minus 470 mm (37 inches). Options for high temperature, mild radiation & high pressure available on most models. Sealed versions for wash down or submersible applications available in similar configurations. Custom designed solutions also available.
www.rdpe.com/us/index.htm

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

Mech-Tronics - Mount Holly, NJ
Manufacturer, Custom Manufacturer
Custom mfrs. of all types of bobbin & toroidal magnetic coil windings to customer print or specs. PC board mount specialists in medium/high frequency. Miniature to medium size transformers including E-core, ferrite, high voltage, pot-core & toroidal.
www.mech-tronics.net

Power Magne-Tech Corp. - Perth Amboy, NJ
Custom Manufacturer
Custom manufacturer of differential and linear transformers. Capabilities include designing and testing. Utilities, medical, dental, test equipment, audio, video, communications, military and aerospace industries served. Made in USA.
powermagnetech.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

Power Magnetics - Trenton, NJ
Manufacturer, Custom Manufacturer
ISO 9001 compliant manufacturer of custom magnetic transformers. Includes harmonic mitigating transformers with impedance matching, multitapped DC filter chokes, phase changing transformers, drive isolators, plates & filaments & electric furnaces. Also includes AutoCad drafting design, distribution & commercial & industrial applications.
www.powermagneticsinc.com/products.asp

RockleighTECH.com - Rockleigh, NJ
Manufacturer
Manufacturer of standard & custom AC to DC & step up & down transformers including differential transformers. Specifications vary depending upon models & include 300 mA to 1,800 mA load current, 4,000 mA to 5,000 mA current, 80 W to 100 W power supply & 110 & 220 input & 3 to 12 output voltage. Various features include spare fuses, three-prong grounding plugs, input voltage selectors & carrying handles.

T.I. CHEN Associates - Tacoma, WA
Distributor, Service Company
Distributor for PRC based manufacturers of custom designed magnetic products. PCB mounted, step-down, fly-back, isolation, toroidal, R-core, auto. Products designed & manufactured to the customer's design requirements or engineering design documentation.

Taehwatrans America, Inc. - Morton Grove, IL
Manufacturer, Custom Manufacturer
ISO 9001 & ISO 14001 certified manufacturer of three phase differential transformers for leakage detection. Specifications include 5 mA primary current at 60 Hz frequency, 475 ohms load resistance, 1.9 mV to 2.3 mV output voltage, 16 A current & 0.014 V voltage at 1 ohm & 31 ohms to 39 ohms winding (DC) resistance.

Columbia Research Laboratories, Inc. - Woodlyn, PA
Manufacturer, Custom Manufacturer, Service Company
Woman-owned ISO 9001:2000 & AS 9100 certified custom manufacturer of linear variable & differential transformers. Specifications of transformers include 6 Vrms nominal excitation at 400 Hz frequency, 0.022 A input current, 0.043 W input power, 270 ohms input impedance, 2,350 ohms output resistance, 6,000 V/in./V sensitivity, 10.5 degree to 14.5 degree phase shift with 200 kilohms load, 500 Vrms dielectric withstanding voltage, 100 megohms minimum insulation resistance at 100 VDC voltage & -55 degrees C to plus 71 degrees C temperature range.

Steven Engineering - South San Francisco, CA
Distributor, Custom Manufacturer
Distributor of industrial electric devices & components including differential transformers, buck/boost transformers, cast coil transformers & dry type transformers. Transformers are available in different styles, sizes & configurations for single to 3-phase applications. Capabilities include bar coding, engraving, enclosure cutting & punching, enclosure modification, labeling, meter configuration, prototyping, rail assembling, rail cutting & notching, terminal block marking & wire cutting, vendor managed inventory, EDI, designing, bin stocking & engineering.
Brand Names: APC, Edwards Signaling, Jefferson Electric, Newport Electronics, Red Lion, Sola/HD, Square D, Staco

Magnetic Design Labs, Inc. - Santa Ana, CA
Manufacturer, Custom Manufacturer
Manufacturer Of Power Supplies, Electric Transformers

Servedio - New Castle, PA
Distributor, Custom Manufacturer, Service Company
Distributor of transformers including custom, DC to DC, differential, distribution, & oil immersed distribution. Products include electric motors & controls (AC & DC), power transmission, gearing & belts, pumps, conveyor chain, roller chain, sprockets & belting, & for crane & hoist applications. Repair services like electric motor rewinding, surge testing, core loss testing, hypot testing, dynamic balancing, machine work, generator repair, welder repair, hoist repair, small tool repair, & small motor repair. Engineering, design & fabrication of special application control panels.

Precision Electronics, Inc. - Copiague, NY
Manufacturer, Custom Manufacturer
Custom manufacturer of transformers including differential, DC to DC, & wideband current sense transformers. 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.

Magnetics & Controls, Inc. - Rosemont, NJ
Manufacturer, Custom Manufacturer
Magnetic Amplifiers, Amplistats, Transformers, 4 To 20 MADC Devices, Toroidal-Ferro-Resonant Transformers, Custom & Standard

ADS/Transicoil Corp. - Collegeville, PA
Manufacturer, Custom Manufacturer
Manufacturer of electromechanical feedback devices, such as linear variable displacement transducers (LVDT) & rotary variable differential transducers (RVDT) for determining speed, velocity & position. Voltage output linearly proportional to angular positions of shafts.

Gettysburg Transformer Corporation - Gettysburg, PA
Manufacturer, Custom Manufacturer
Designer & manufacturer of differential transformers. Areas of specialization include 400 hertz, auto, chassis mount, Class 2, constant voltage, control, core & coil, current, custom, dry type, electric, electronic, ferroresonant, industrial control, isolation, lighting & power, machine tool control, medical equipment, power, single phase, step-down & step-up and three phase transformers.

General Atomics Energy Products - San Diego, CA
Manufacturer, Custom Manufacturer, Service Company
Design, Develop & Manufacturer High Voltage Components & Systems For The Industrial, Medical & Scientific Industries

Grainger Industrial Supply - Locations
Distributor
Distributor of a variety of transformers such as Class 2, 18 pulse, 400 Hertz, alarm, automatic, CE marked, control, differential, driver, frequency, isolation, laboratory, microwave, network, RF, ultrasonic, welding & more. Accessories, parts & components also available. Services include 24-hour emergency order response services, inventory management services, safety services, repair and replacement programs, hazardous recycling services and storage/material handling equipment services. 1 year warranty.
Brand Names: Acme

Basler Electric Co. - Highland, IL
Manufacturer, Custom Manufacturer
An ISO 9001-2000 certified manufacturer of transformers including constant voltage, current, custom & differential transformers for applications in communication systems, computer, air conditioning, appliance & security system industries. With capabilities ranging from 5 VA through 2800 kVA.

Curtiss-Wright Controls Inc. - Gastonia, NC
Custom Manufacturer, Service Company
Manufacturer of standard & custom linear variable differential transformers (LVDT). Linear position sensors & transducers are also available.

Onlinecomponents.com - Santa Monica, CA
Distributor, Manufacturers' Rep
Manufacturer's rep. & distributor of electronic components such as DC to DC, differential, driver, electric & electronic transformers.
Brand Names: Carlo Gavazzi, Eaton, Fluke, Schurter, TE Connectivity