EMI Filters

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EMI Filters

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AC Power

CleanSweep® AC EMI filters provide effective noise attenuation where it matters. CleanSweep® patented power line EMI filters block electrical noise on real life power lines (both common mode and differential mode) and, uniquely, in ground, from reaching your sensitive equipment.

Measurement

OnFILTER’s EMI interface adapters provide galvanic separation from high mains’ voltages but a straight path for high-frequency signals so that you can connect your sensitive instrument to live power lines for analysis and quantification. We offer plug-in and hand-held adapters which can measure both differential (“normal”) and common-mode noise. 

Ground

High-frequency signals (EMI) on ground is never good news – they interfere with normal operation of equipment and cause electrical overstress (EOS).  However it is easy to block propagation of electromagnetic interference on ground by installing highly-effective ground EMI filters in ground lines.

Soldering

OnFILTER’s patented soldering filters prevent EMI-caused electrical overstress (EOS) in soldering process – sometimes called EIPD (electrically induced physical damage).  The filters block electromagnetic interference on both power lines and ground going to the soldering iron, plus they provide EMI-free ground for your workbench or a fixture which you would use as your ESD grounding.

Servo / VFD Motors

PWM-driven motors – servo motors, stepper motors, and variable frequency drives (VFD) – are a major source of electromagnetic interference (EMI) in equipment.  They also cause a number of problems in equipment, including damage to the motor’s bearings due to leakage current causing electrical discharge machining (EDM) and damage to motor’s insulation.  

DC Power

Clean DC power is essential for proper operation of electronics.  Assure error-free uninterrupted operation of your electronics by providing it clean DC power with our DC filters.  These electromagnetic interference filters help to reduce EMI from imperfect switched mode power supplies (SMPS)  and protect your DC rails from EMI generated by other circuits connected to it.

Data

Long data lines from and to 4…20mA loop sensors and actuators “collect” plenty of noise which causes data misreading, errors and other malfunction.  OnFILTER’ data electromagnetic interference filters for such analog lines block EMI on long cables while providing pass through for the data. 

PLC

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