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Inductors, Chokes & Coils (Fixed & Variable)
Surface Mount, Leaded, Arrays

Compared to resistors and capacitors, inductors are the third-most often used discrete electronic component. Sure, every physical component has a combination of of all three components in the form of parasitics. These companies are the major suppliers of all forms of inductors, from the smallest surface mount chip format to the monster metal can inductors used in power station transformers. They make axial lead, radial lead, wire-wound, printed ceramic, fixed, variable, low current, high current, low Q, high Q, and any other variation inductors. As always, I ask you to please check with RF Cafe advertisers as your first choice.

Vendor pages list only those companies that actually manufacture products or provide services indicated by the page title. Doing so avoids clutter and maximizes a visitor's likelihood of success in achieving his goal.
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Inductor Design Books Inductor Design Data
Visit Electro-Photonics Electro-Photonics
772-485-0927
Palm City, FL
High frequency components and design services. We offer wire bondable passive components, coaxial products, printed antennas and very useful test boards for evaluating RF/Microwave components. Custom-design passive components and offer high frequency packaging services. The Electro-Photonics team can support your small R&D design requirements and save you valuable design and characterization time.
• Passive RF Components
   -  2-way power dividers/combiners
   -  Wire-bondable quartz spiral inductors
   -  Wire-bondable single-layer capacitors
   -  Coaxial cable assemblies
   -  Patch antennas
• Chip & Wire Assembly Services
   -  10K clean room
   -  RF measurements to 110 GHz
   -  MMIC package design
• Custom Evaluation Boards
   -  Evaluation boards per manufacturers' layouts
   -  Layout optimization
   -  0201, 0402, and 0603 2-terminal devices
   -  SOLT de-embedding

3L Global Electronics
727-343-2679 / St. Petersburg, FL
Surface mounting beads, molded wound chip, open-type SMD, SMT power, inductors, SMT peaking coils.
3lglobal.com

Abracon
949-546-8000 / Rancho Santa Margarita, CA
Ceramic, SAW, dielectric filters, VCXO, TCXO, clock oscillators, crystal resonators, magnetics, transformers, chokes, inductors.
abracon.com

American Technical Ceramics (ATC)
631-622-4700 / Huntington Station, NY
Multilayer and single layer ceramic capacitors and wire-wound chip inductors for RF/Microwave, resistors, attenuators.
atceramics.com

API Delevan
716-652-3600 / East Aurora, NY
RF, power, military & aerospace inductors, EMI/RFI suppressors, transformers, common mode power chokes.
delevan.com

Central Technologies
800-684-5322 / Irvine, CA
Manufacturer of passive and discrete semiconductor components such as inductors, transformers, DC/DC converters, toroids, beads, resistors, varistors, antennas, etc. Offering over 350 products, free samples, engineering services, design kits, and customs capabilities. ISO9001:2000 certified.
ctparts.com

CET Technology
603-894-6100 / Windham, NH
Linear power transformers, inductors, chokes, toroids, power inductors, filters, EMI/RFI control, PC mount, surface mount and chassis mount, linear, switching power supplies, UL/CUL and TUV approved.
cettech.com

Coilcraft
800-322-2645 / Cary, IL
RF, power inductors, EMI/RFI filter products, xDSL magnetics, transformers.
coilcraft.com

Coil Master
+82-31-904-1444 / Korea
SMD power inductors, common mode filters, balun transformers, ferrite chip beads, ferrite chip & wire wound inductors, multilayer chip varistors, ESD protection.
coil-master.com

Coiltech
714-708-8715 / Costa Mesa, CA
Coiltech is a leading manufacturer of high quality surface-mount inductors, chokes, and coils.
coiltechinc.com

Coiltronics (now Cooper Bussmann)
636-527-3877 / Ellisville, MO
Transformers & inductors for DC-DC & switchmode applications requiring high frequency magnetics.
cooperet.com/3/Coiltronics.html

Datatronic Distribution, Inc
888-889-5391 / Romoland, CA
Switch mode power supply transformers & inductors, RF magnetics, common mode chokes, gate drive, current sense, pulse, wideband RF, telecommunications transformers, LAN filters.
datatronics.com

Emicon Corporation
915-590-0795 / El Paso, TX
Custom manufacturer of coils, powerline filters, signal line filters, EMI filters, low pass filters and inductors.
emiconcorp.com

EPCOS
800-689-3717 / Iselin, NJ
Capacitors, SAW, inductors/EMC components, surge arresters, nonlinear resistors, ferrite components.
epcos.com

Espey Mfg & Electronics Corp
518-245-4400 / Saratoga Springs, NY
Custom magnetic design, mW to MegaW, all forms including pulse, impedance matching, SMPS, power, rectifier, inductor, reactor, mag-amp, CT, PT, high voltage to 300kV.
espey.com

Excel Electric
954-581-2330 / Plantation, FL
Surface mount power inductors, transformers, custom magnetics.
excelelectriccorp.com

FASTRON
0049 80639935 / Munich, Germany
Chip inductors, transponder coil (for RFID), molded & leaded inductors, suppression coils, pluggable inductors (also shielded), wideband chokes, SMD power inductors (also shielded), strip wound cut cores, toroidal strip-wound cores. Free samples available.
fastrongroup.com/home.php

FDK
858-558-8368 / San Diego, CA / Japan
Piezoelectric buzzers, capacitors, inductors, resistors, transformers, anechoic chambers, ferrites, VCO's, power supplies, circulators, combiners/dividers, motors, optics, synthesizers, batteries, RF absorbers, switches.
fdk.co.jp/cyber-e/business-e.html

Filtronetics
816-231-7375 / Kansas City, MO
Leading supplier of custom IF, RF, Microwave, EMI(military) & Front End filters. Filter types include LC, crystal ceramic, SAW & microwave from DC to 10 GHz . Oscillators and crystals are available including TCXOs & VCXOs. Filtronetics Inc has been providing solutions to for 35 years and is ISO-9001:2000 certified.
filtro.net

Frontier USA
805-522-9998 / Simi Valley, CA
RF inductors, power chokes, common mode filters, multilayer chip inductors, SM ferrite beads.
frontierusa.com

Gowanda Electronics
716-532-2234 / Gowanda, NY
Common mode filter, current sensing, surface mount power inductors, surface mount filter beads, surface mount toroids, surface mount toroidal chokes.
gowanda.com

Inductive Technologies
800-961-6295 / Salisbury, MD
Standard and application specific transformers, inductors, chokes & coils, thru-hole or surface mount.
inductech.com

Inductors, Inc
800-533-8295 / Irvine, CA
Inductors, chokes, coils, beads & transformers.
inductor.com

Ion Beam Milling, Inc
603-644-2326 / Manchester, NH
Since 1982 has manufactured thin film circuits for use in the microwave and photonics industries. Dry etch ion beam milling process to ensure a high level of repeatability. An array of standard products are ready to ship and we can create custom circuits to match your drawing. Ion Beam Milling also specializes in services. We can offer photolithography, milling, and/or dicing services to meet your needs. ISO 9001:2000 qualified.
ionbeammilling.com

Jaro Components
561-241-6700 / Boca Raton, FL
Aluminum electrolytic, ceramic multilayer, film, special polymer, tantalum, thru hole capacitors, array, multilayer, wound ferrite beads, inductors, thru hole resistors, thermal products.
jaro1.com

Johanson Technology
805-389-1166 / Camarillo, CA
LTCC chip antennas for Bluetooth, WLAN, 2.45 GHz ISM band, ceramic filters, diplexers, baluns, inductors, capacitors, couplers, laser trim, JTIsoft® modeling software.
johansontechnology.com

Light Electronic Ltd
0086-755-81531101 / China
Inductors, coils, and chokes.
inductors-coils.com
KOA Speer Electronics
814-362-5536 / Bradford, PA
Resistors, capacitors, 3-terminal EMI/RFI filters, circuit protection, inductors, integrated components.
koaspeer.com

LBA Group, Inc
252-757-0279 / Greenville, NC
RF & wireless telecommunications industry products & services including antennas, capacitors, inductors, shielding systems, test equipment, testing and technical services;
RF Awareness & Antenna Co-Location Training.
lbagroup.com

Machrone Corp
65 62740566 / Singapore
Manufacturing and distribution of electronic components including inductors, chokes, baluns, filters, chip antennas, couplers, diplexers, transformers.
machrone-intl.com/index.htm

Mag Layers USA
800-427-4010 / Santa Ana, CA
LTCC components for RF / Bluetooth / WiFi / Zigbee applications including: chip antennas, baluns, diplexers, band pass filters, filters, inductors, chokes, coils, & ferrite beads. ISO 140001 certified, complete support for design through production. Free Samples - just call!
maglayersusa.com

Mallory-DuraCap International
519-539-4891 / Canada
Aluminum electrolytic, photoflash service capacitors, switches, wire-wound potentiometers, rheostats, attenuators, line, rotary selector switches, Inductuners.
duracap.com

Metglas
800-581-7654 / Conway, SC
Amorphous metal ribbon and components used in the production of electrical distribution transformers, high frequency magnetic components for power electronics, material for anti-theft tags, brazing alloys, solder, and toriod cores.
metglas.com

MicroMetrics
888-641-7364 / Londonderry, NH
Tuning varactors, Schottky mixer and detector, PIN, point contact, step recovery diodes, thin film resistors, chip capacitors, thin film circuits.
micrometrics.com

Microwave Components, Inc
978-256-8251 / South Chelmsford, MA
Microelectronic coils, inductors.
microwavecoil.com

Mitchell Electronics
914-699-3800 / Mt. Vernon, NY
Transformers, inductors, current sensors.
yesmec.com/index.html

Murata Electronics
800-241-6574 / Smyrna, GA
Chip multi-layer (1.0 2.5 GHz), chip dielectric (2450 GHz, Bluetooth), surface mount capacitors, thermistors, resistors, coil (inductors)/delay lines, noise suppression products/EMI filters, resonators, piezoelectric sound components, coaxial connectors, antenna/duplexers, isolators/circulators, PLL modules, VCOs, TCXO, RF diode switches, DC-DC converters, sensors.
murata.com

NIC Components
631-396-7500 / Melville, NY
Capacitors, attenuators, resistors, thermistors, inductors, ferrite beads, diodes, varistors.
niccomp.com

Ohmite
866-964-6483 / Rolling Meadows, IL
Power resistors, surface mount resistors, rheostats, tap switches, audio indicators, inductors, commercial grade resistors.
ohmite.com

Panasonic
201-348-7000 / Secaucus, NJ
Inductive products include high performance chip inductors, in laser-cut or wire-wound technologies, a broad range of leaded, SMD, and leaded choke coils, as well as filters for EMI, noise / ESD, & AC leaded lines, voltage step-up coils are also available.
panasonic.com

Pico Electronics
800-431-1064 / Pelham, NY
Transformers, inductors, DC-DC converters, AC-DC power supplies, power factor corrected modules.
picoelectronics.com

Piconics
978-649-7501 / Tyngsboro, MA
Chip resistors, custom thick & thin film substrates, custom thick & thin film circuits, chip attenuators, power dividers.
piconics.com

Practical Components
714-252-0010 / Los Alamitos, CA
Dummy Components are exact, non-electrical mechanical packages used for pick-and-place machine setup, calibration, process testing, and solder training, education and rework practice. Dummies have the exact size, shape and soldering characteristics as fully functional components, but you save up to 80% of the price.
practicalcomponents.com

Radius Power
714-289-0055 / Orange, CA
EMI/EMC filters, power supplies, transformers, inductors.
radiuspower.com

Renco Electronics
321-637-1000 / Rockledge, FL
Bobbins, transformers, toroids, power chokes, inductors, surface mount.
rencousa.com

Rhombus Industries
714-898-0960 / Huntington Beach, CA
Switch mode magnetics, inductors, data communication transformers, DSL transformers, power magnetics, delay lines, audio transformers.
rhombus-ind.com

Sprague Goodman
516-334-8700 / Westbury, NY
Trimmer capacitors, metalized, SMT Chip, leaded inductors, transformers, microwave tuning elements, varactor diodes, tuning tools.
spraguegoodman.com

Standex Electronics
513-871-3777 / Cincinnati, OH
Cable, PCB, terminal blocks connectors, transformers, coils, antennas, current sense coils, hermetic & magnetic reed switches.
standexelectronics.com

Susumu
+81-25-552-3988 / Niigata-Pref., Japan
Resistors, capacitors, inductors, coils, filters, sensors.
susumu.co.jp/english

Talema Electronics (now AlfaMag Electronics)
866-482-5362 / Rolla, MO
Power inductors, common mode chokes, current sensors, telecom products, networking products, switching power supply products.
alfamag.com

Tamura Corp
800-472-6624 / Temecula, CA
DC-AC backlight inverters, DC-DC converters, EMI/RFI filters and coils, inductors, power supplies, wall plug-ins, telecom/datacom transformers.
tamuracorp.com

Toko America
847-297-0070 / Mt. Prospect, IL
Filters, baluns, inductors, antennas, semiconductors, amplifiers, A/D converters.
tokoam.com

US Microwaves
408-970-9680 / Santa Clara, CA
Products include attenuators, diodes, inductors, substrates, capacitors, dividers, resistors, terminations, couplers, filters, MMICs, LDOs.
usmicrowaves.com

Venkel
800-950-8365 / Austin, TX
Chip capacitors, resistors, inductors, thermistors, choke coils, ferrite beads.
venkel.com

Ventronics USA
908-272-9262 / Kenilworth, NJ
Resistors, varistors, thermistors, diodes, rectifiers, quartz crystals, oscillators, filters, switches, microcircuits, capacitors, battery packs, inductors, batteries, coils, EMI filters, transformers, LED/LCD, piezoelectric devices, line cords, cable assemblies, relays, blowers, fans, power supplies, thermal cutoffs, PCBs, potentiometers, delay lines, transducers, chokes.
ventronicsinc.com

West Coast Magnetics
800-628-1123 / Stockton, CA
Switch mode, 60 Hz, isolation, base drive, current sense transformers, RF, power inductors, common mode chokes.
wcmagnetics.com

XFMRS
317-834-1066 / Camby, IN
Transformers, inductors, inverters, EMI suppressors, wideband RF transformers up to 1 GHz.
xfmrs.com







Webmaster: Kirt Blattenberger, BSEE, UVM 1989