Schaffner EMC, Inc. - Edison, NJ
Manufacturer, Custom Manufacturer
Worldwide manufacturer of standard & custom electronic components including DC filters. Available as EMC/EMI filters. Types of EMC/EMI filters include standard DC EMC/EMI filters, PCB filters, ultra-compact EMC filters, 75 VDC input PCB filters, two-stage PCB-mounting EMC filters, IEC inlet filters, general-purpose EMC/EMI filters, single-phase/two-phase EMC/EMI filters, ergonomic EMC/EMI filters, multi-stage EMC/EMI filters & three-stage EMC/EMI filters. EMC/EMI filters are C-UR®-US, C-UL®-US & UL® listed & CSA®, ENEC & CQC standards approved. EMC/EMI filters are RoHS compliant.
www.schaffnerusa.com/en/products/emcemi.htm...

Tripp Lite - Chicago, IL
Manufacturer, Custom Manufacturer
Manufacturer of power portable equipment (computers, appliances, power tools & battery chargers) for car, utility truck, recreational vehicle, emergency vehicle or boat battery. Inverters & inverter/chargers convert DC power into 120V AC power. Ideal for either mobile or stationary applications, inverters/chargers include AC inputs & built-in battery chargers, providing mobile power for ambulance/EMS & RV/marine applications, mobile carts & emergency backup power.
www.tripplite.com/en/products/power-inverte...

Powertech Controls Co., Inc. - Hauppauge, NY
Distributor
Woman-owned distributor of DC EMC/EMI filters for photovoltaic inverters. Filters reduce conducted emissions towards the solar panel. Other products include electrical controls & components for railway transportation & alternative energy sources including wind energy & solar power.
Brand Names: 3M, AMFI, Festo, Fuji Electric, Hammond, Schaffner
catalog.powertechcontrols.com/viewitems/-ca...

DC Filters Products
	FN 409 75VDC input PCB filter FN 766X DC feedthrough filter

Condenser Products, A Custom Capacitors Inc. Co. - Brooksville, FL
Manufacturer
Manufacturer of high voltage, oil-filled capacitors. DC filters. Designed for specific applications utilizing film technology. Designed for pulse, filtering, coupling, multipliers, pulse forming networks & tuned circuit applications. Different container configurations available. Can be used in design of power supplies, CW & pulsed laser, high frequency, induction heating, commutation, snubber, welding, energy storage & pulse discharge applications. Up to 250 KV & DC to megahertz applications.
www.condenser.com/projects/condenser/capaci...

REO-USA, Inc. - Indianapolis, IN
Manufacturer
Manufacturer of DC filters. Available with 100 VDC to 1,000 VDC voltage, 10 A to 1,000 A and 4 kW to 400 kW power supply. Various features include low temperature rise, anti-surge protection, overvoltage protection and compact construction. Suitable for industrial and transportation converter, electro medical, electrical test, power electronic and electrical vehicle applications. Some items UL listed.
www.reo-usa.com/products-select.php?u=Induc...

Screentek Mfg., Inc. - Randolph, NJ
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of DC filters. Other types of filters including exhaust, analog, breather, coaxial, crystal, deionized water, diesel, disc, edge, electromagnetic, EMI/RFI, expanded metal, fume, honeycomb, hydraulic oil, infrared, leaf, liquid, magnetic, nuclear, opacity, pipeline, ozone, pleated, prototype, quartz, respirator, sanitary, sediment, spatial, sterilizing, turbine, vacuum disc & perforated filters are also available. Specifications of DC filters include 0.021 in. to 0.051 in. warp size, 0.027 in. to 0.051 in. fill dia., 5 x 5 to 21 x 20 strands/sq. in., 23 to 409 holes/sq. in., 0.00046 to 0.02530 opening size/sq. in. & 18.8 percent to 59 percent open area. Filters are suitable for industrial & commercial applications.
www.screentek.us/productdetails.php?pid=4

Communication Coil, Inc. - Schiller Park, IL
Manufacturer, Custom Manufacturer
Manufacturer of custom filters (RF & power), bandpass, lowpass, highpass, notch, non-magnetic (MRI), anti-aliasing, GPS, chokes, coils, inductors, baluns, RF & power transformers for medical, military, airborne, marine, instrumentation, industrial & wireless communications.
www.communicationcoil.com/filter.html

Schurter, Inc. - Santa Rosa, CA
Manufacturer, Custom Manufacturer
ISO 9001:2000 & ISO 14001:1996 certified worldwide manufacturer of single phase bloc DC filters. Single poles, chassis screw-on mounting, from top.
www.schurterinc.com/Components/EMC-Products...

NexTek, Inc. - Westford, MA
Manufacturer, Custom Manufacturer
ISO 9001:2008 certified manufacturer of filters. Types of filters include DC feed-through, EMI/RFI, electronic, frequency & line filters. DC filters are available with operating current ranging from 35 A to 250 A, voltage ranging from 50 V to 1000 V, frequency ranging from 1 kHz to over 1 GHz, maximum 22 micro Farad capacitance & 60 dB insertion loss. Features include lug, lock washer, electrical lug & mounting nuts, bolt-on/bulkhead mount & mounting panel. Filters are suitable for reducing high frequency noise on high current lines & to isolate noise from loads. Filters are available with ten years warranty. Meets Military Spec. RoHS & ITAR compliant. UL listed.
Brand Names: SurgeGuard
nexteklightning.com/products/Filters/filter...

Mini-Circuits - Brooklyn, NY
Manufacturer
RF/Microwave Filters. Certified ISO 9001, RoHS & environmental compliance ISO 14001, & aerospace AS 9100 certified.
www.minicircuits.com/products/Filters.shtml

Gulf Controls Company, LLC - Tampa, FL
Distributor, Custom Manufacturer, Service Company
Distributor of air & hydraulic DC filters. Services include repairing, rebuilding, lapping, installing, testing, machining, packaging, training. Design & application assistance services also available.
www.gulfcontrols.com/index.php

Ron-Vik, Inc. - Minneapolis, MN
Manufacturer, Custom Manufacturer
ISO 9001 certified manufacturer of filters including cooling system, hydraulic custom, cutting oil, DC, data line. Products include filter washers for faucet aerators, nozzles, emitters, valves & pumps. Filters are made of T304 stainless steel wire cloth molded into polyvinyl chloride (PVC) or thermoplastic elastomers. Gasket materials used are PVC, & Santoprene®. Mesh is made from stainless steel type 304, 316, & brass.

Gruber Power Service - Phoenix, AZ
Distributor, Custom Manufacturer, Manufacturers' Rep
Distributor of new & used filters including DC filters, line surge filters, surge filters & power entry filters. Filters are available in different sizes & materials. Services include engineering, installation, UPS & battery maintenance services, auto-notify service programs, online service reporting, onsite power analysis, recycling, repairing & remote monitoring.

Tyco Electronics Corp. - Berwyn, PA
Manufacturer, Custom Manufacturer
ISO 9001:2000, AS 9001 & TS16949:2002 certified. Worldwide manufacturer, global supplier & engineering services of filters including DC, facility, power entry & signal process. Applications include the automotive, data communication & consumer electronics, telecommunications, aerospace, defense & marine, medical, energy & lighting industries.

Extreme Components, Inc - Eatontown, NJ
Distributor, Custom Manufacturer
Distributor of electronic components including line filters, data line filters & DC filters. Prototypes are also available. Services available include taping & reeling bulk products, product functionality testing, solderability testing, product programming, dry packing & baking, custom packing & shipping.

Enerdoor, Inc. - Portland, ME
Manufacturer
Manufacturer of DC filters. Also specializing in the manufacture of high attenuation, anti-interference filters for electromagnetic interference problems in industrial, telecommunication, military, medical, Information technology & consumer applications.

Axis Electronics, Inc. - Capistrano Beach, CA
Distributor, Custom Manufacturer, Service Company
Distributor of DC filters. Obsolete, hard to find, & Military grade DC filters available.
Brand Names: Corcom

Fil-Coil Filters - Central Islip, NY
Manufacturer, Custom Manufacturer
Manufacturer of EMI/RFI Filters, Military Spec. EMI/RFI filters, electronic medical electronic filters, electromagnetic & electrical filters, signal process & power line filters, RFI filters, telecommunications filters, delay lines, analog & digital & surface mount delay lines.

Grainger Industrial Supply - Locations
Distributor
Distributor of a wide variety of filters. Filters are available for many applications including fleet & vehicle maintenance, HVACR, pneumatics, plumbing, safety, motors, cleaning, hydraulics, test instruments & many more. 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.

COSEL CO., LTD - Plano, TX
Manufacturer
Manufacturer of filters including DC & EMI/RFI filters.

Masline Electronics, Inc. - Rochester, NY
Distributor, Custom Manufacturer
ISO 9001:2000 certified distributor of filters including DC filters, linear phase filters, power entry filters, power line filters, electric motor filters, & IEC connector filters. Features include applications exceeding 100 amps. Services include JIT delivery, project specified sorting, inspection & testing, packaging, & 24 hour emergency service. Industries served include automotive, aerospace, & telecommunication.
Brand Names: Curtis Industries, Delta, Electrocube, FerriShield, Power Dynamics, Schaffner, Schurter