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Manufacturers & Services

Capacitor types - RF CafeCompared to resistors, capacitors are the second-most often used discrete electronic component. Inductors would be the third most used. 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 capacitors, from the smallest surface mount chip format to the monster metal can electrolytic capacitors used in power factor correction banks. They make axial lead, radial lead, electrolytic, tantalum, ceramic, fixed, variable, low voltage, high voltage, low ESR, and any other variation capacitors. As always, I ask you to please check with RF Cafe advertisers as your first choice.

AFM Microelectronics | 858-222-1199 | San Diego, CA

RF/microwave multilayer capacitors, high power high current multilayer, high temperature high voltage multilayer, GBBL high K substrates for single layer capacitors, ultra low fire dielectric powder. Sizes range from 0201 - 13560, with operating voltages from 25 - 20k volts.

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.

AVX | 843-946-0414 | Myrtle Beach, SC

Capacitors,  thin film directional couplers, Z-chip combo R&C impedance matching surface mount chip, ESD/surge protection, EMI/RFI feedthrough filters, AVX SPIMIC capacitor calculation, connectors - PCB, rack-and-panel, DIN, coaxial/RF, filters, resistors.

Cera-Mite (now Vishay) | 402-563-6866 | Shelton, CT

Single-layer ceramic capacitors, ceramic positive temperature coefficient (PTC) thermistors, ceramic disc capacitors.

Compex | 856-335-2277 | West Berlin, NJ

Capacitors, submounts & mounting shorts, substrates.

Crane Aerospace & Electronics - Microwave Solutions | West Caldwell, NJ 973-575-1300

RF, IF and millimeter-wave components, subsystems and systems for commercial aviation, defense, and space. Integrated assemblies include beamformers, oscillators, frequency converters and switch matrix systems, and amplifiers. Microwave circuit board substrates, non-magnetic capacitors. Space qualified circulators, isolators, mixers, couplers, power dividers, and much more.

Dielectric Laboratories | 315-655-8710 | Cazenovia, NY

Surface mount, high frequency, DC blocking, CapCAD capacitor calculation, thin film products.

Electro-Photonics | 772-485-0927 |Palm City, FL

Global supplier of RF & Microwave components including SMT hybrid and directional couplers, wire bondable passive components. Very useful test boards for evaluating components saves valuable design and characterization time.

EPCOS | 800-689-3717 | Iselin, NJ

Capacitors, SAW, inductors/EMC components, nonlinear resistors, ferrite components, surge arresters.

Ion Beam Milling | 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.

Kemet | 864-963-6300 | Greenville, SC

Surface-mount capacitors in aluminum, ceramic and tantalum; and leaded capacitors in ceramic and tantalum. EMI/RFI feedthrough filters.

Kete Microwave Electronics | +86-595-22597735 | China

Ferrite RF isolator & circulators, high power RF resistors & terminations, fixed & variable/step attenuators, multilayer High-Q chip ceramic& feedthrough capacitor (EMI filters), directional couplers, power dividers / combiners, 3dB hybrid couplers.

KOA Speer Electronics | 814-362-5536 | Bradford, PA

Resistors, capacitors, 3-terminal EMI/RFI filters, circuit protection, inductors, integrated components.

Maxwell Technologies | 858-503-3300 | San Diego, CA

BOOSTCAP energy storage UHm capacitors for battery replacement, high voltage capacitors, amplifiers

MicroMetrics (now Aeroflex | Metelics, now Cobham) | 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.

Nanowave Technologies | 416-252-5602 | Canada

Thin film substrates, RF and electro-optic components (capacitors, resistors, attenuator pads) and subsystems (amplifiers, transceivers, transmitters).

NIC Components | 631-396-7500 | Melville, NY

Capacitors, attenuators, resistors, thermistors, inductors, ferrite beads, diodes, varistors.

Passives Plus | 631-425-0938 | Huntington, NY

High-performance RF/microwave passive components for the medical, semiconductor, military, broadcast, and telecom industries. We specialize in high-Q, low ESR/ESL capacitors, broadband capacitors, low-ESR bypass capacitors, high-power transmitter capacitors, and non-magnetic resistors and trimmers. Design kits available.

Peregrine Semiconductor | 858-731-9400 | San Diego, CA

Fabless provider of RFICs leveraging the company's patented UltraCMOS® technology, an advanced form of SOI that enables the design, manufacture and integration of multiple RF, analog and digital functions onto a single chip.

Presidio Components | 858-578-9390 | San Diego, CA

Buried Single Layer, microwave & fiber optic capacitors, multilayer chip, SMPS/stacked, radial leaded, high voltage capacitors. Free Kent Simulator for single-layer capacitor modeling.

RF Power Exchange | 954-344-7379 | Weston, FL

Power tubes, RF & microwave transistors, vacuum capacitors, RF amplifiers/modules, military radio spare parts.

SemiGen | 603-624-8311 | Manchester, NH

Prototype builds and design while handling volume production runs for the RF/microwave, military, space, homeland security, optical, medical device, commercial-wireless markets. Manual and fully automatic assembly. Also manufactures PIN, limiter, beam lead, and Schottky diodes, chip capacitors and attenuators, and printed spiral inductors.

Susumu | +81-25-552-3988 | Niigata-Pref., Japan

Resistors, capacitors, inductors, coils, filters, sensors.

Syfer Technology | +44 1603 723300 | Norfolk, Suffolk, England

Syfer has 25+ years experience in manufacturing ceramic capacitors, both SMD and thru-hole EMI filters and EMI Power Filters.

Tusonix | 520-744-0400 | Tucson, AZ

EMI/RFI filters, surface mount EMI filters, variable trimmer capacitors, filtered terminal blocks, custom EMI filter plate assemblies, ceramic disc capacitors.

TXTLinX | 973-758-0808 | Livingston, NJ

Provides a complete, searchable list of companies and their products, or articles, featured in Microwave Product Digest. Use the Forum to participate in a dynamic discussion about our represented companies and their products.

US Microwaves | 408-970-9680 | Santa Clara, CA

Products include attenuators, diodes, inductors, substrates, capacitors, dividers, resistors, terminations, couplers, filters, MMICs, LDOs.

Voltronics | 973-586-8585 | Denville, NJ

Multi-turn trimmer, ceramic chip trimmer, non-magnetic yrimmer, non-magnetic high Q multi-layer porcelain chip capacitors.

Wurth Electronics Midcom | 605-886-4385 | Watertown, SD | +49 79 42 945 - 0 | Waldenburg, Germany

Custom and power magnetics, EMC components, common mode chokes, capacitors, transformers, RF inductors, printed circuits boards, terminal blocks, automotive magnetic components, electronic displays, LEDs, control units, and keypads. Surface mount and through-hole packages available. Free samples of catalog items are available on request.

Yageo | 425-492-2818 | Woodinville WA

Capacitors, resistors, inductors, MLCC's, X2Y products.

Related Pages on RF Cafe

- Capacitors & Capacitance Calculations

- Capacitor Color Codes

- Capacitance Conversions

- Capacitor Dielectrics

- Standard Capacitor Values

- Capacitor Vendors

- The Noble Art of De-Coupling

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