APITech Datasheets for EMI Filters and RFI Filters

Electromagnetic (EMI) filters and radio frequency interference (RFI) filters purify signals of unwanted noise by attenuating the high-frequency RFI (typically 150kHz and up) and passing the low frequency EMI.
EMI Filters and RFI Filters: Learn more

Product Name Notes
AC and DC single line power filters offer EMI filtering in a compact package with high-temperature construction and current ratings up to 10 amps. These filters are non-polar, surface mountable,...
API Technologies can "clean up" your system by creating easy-to-install custom application-specific power filter assemblies that contain all the components and filtering solutions in one compact package.
API Technologies can combine filters with other components around the filtering into one package to have the smallest space solution as well as the lowest price solution to filter and...
API’s many years in providing EMI/RFI solutions has given us the know-how to design products to meet specific constraints and requirements of the medical industry. We will build a high...
API's line of miniature solder-in filters are hermetically sealed on one end for through-hole sealing between compartments, allowing it to be soldered into a package, bracket, or bulkhead while maintaining...
Designed for high performance, three-phase, three-Delta connection systems, this power line filter is effective for both balanced and unbalanced three-phase loads and has excellent attenuation for high voltage impulse. Its...
Designed for three-phase, four-line power systems, these high-performance power line filters provide excellent attenuation for high voltage impulse and have current ratings from 5 to 150 amps available. Its metal...
DIN Rail Mounted EMI Power Filters make for easy connections, installations, and replacements. They provide excellent filtering characteristics that will combat both differential and common mode noise in EMC.
High current filters are ideal for use in the high current 5-volt logic buss, but also can be used for ±48 VDC telephone rack buss, high current switch mode power...
High Voltage High-altitude Electromagnetic Pulse (HEMP) filters are designed to protect sensitive electronics equipment during hazardous transient conditions. These filters are employed to absorb a potentially destructive overshoot voltage and...
Large Diameter Solder-In High-Temperature Filters can withstand 300°C installation temperatures. These EMI filters are ideal for low to medium impedance circuits where large amounts of capacitance to ground can be...
Low current, high-performance Three-Phase Power Line Filters provide excellent attenuation for high voltage inputs and effective for both balanced and unbalanced three-phase loads. The metal case of these filters provides...
Mini Surface Mount EMI Filters feature high-temperature construction and have current ratings up to 10 amps. The filter chips will hardly allow residual inductance and the self-resonant frequency extends to...
MSP Mini Surface Mount PCB Power Filters offer compact EMI packaging with plus and minus lines as well as high insertion loss in a wide frequency band by combining feedthrough...
Our power filters for Military and Aerospace applications are available in both standard and custom designs. Our electromagnetic compatibility expertise in the tempest arena can help you meet MIL-PRF-15733 and...
Power Filter plug-and-play designs cover a range of industrial and instrumentation applications that will address any of your power filtering needs with current ratings as high as 500 Amps.
Power Surface Mount EMI filters feature high-temperature construction and have current ratings up to 20 amps. This filter series is non-polar and surface mountable with excellent performance characteristics. Designs come...
Rugged construction design enables parts to perform in industrial environments. The 61-MPC series is ideally suited for products that must conform to FCC part 15 regulations. Agency approvals: UL recognized,...
Solder-in filters are ideal for use in critical areas where space does not allow the use of mounting tools or hardware. The solder-in feature also allows installation in unison with...
Square Surface Mount Filters feature high-temperature construction and have current ratings up to 10 amps. This filter chip series is non-polar and surface mountable. They have excellent performance characteristics and...
The 13-PWF/PWL/PWB series of three-phase power line filters are suitable for both Wye and Delta connections. They provide excellent filtering characteristics for both normal and common mode and are designed...
The CF Converter EMI filter is designed for use with the DC-DC converters. Even though many DC-DC converters have internal filters, often the internal filters are inadequate to meet the...
The economical high-frequency PCB filter offers electrical characteristics allowing many devices to meet most government and industry specifications for EMI control, while also providing good electrostatic discharge protection.
The Round Surface Mount EMI filters feature high temperature construction and have current ratings up to 10 amps. The filter chip series are non-polar and surface mountable with excellent performance...
The SA Series of EMI filter arrays incorporate (4) three-terminal chips in one compact footprint. These surface-mount filter arrays are structured to minimize the residual inductance and ensure large insertion...
The Spec Mini-Press 9925 Series are knurled EMI filters designed to be pressed into place and create a reliable mechanical bond. This feature makes it an excellent selection for applications...
These filters are easily mounted in a tapped hole or through-hole with supplied nut and lock washer. The rugged case with resin seals at both ends provides excellent environmental protection.
These three-phase power line filters are designed for three-line connection systems. They are available in various current ratings from 5 to 200 amps and have excellent attenuation for high voltage...
These two-line, two-stage power filters have easy connections for easy installation and replacement. The filtering characteristics of these filters are excellent for both differential mode and common mode.
This high temperature, resin sealed, bolt-in style, EMI feedthrough filters are capable of continuous operation at 175°C with an average coefficient of -25% at maximum operating temperature. These low pass...
This series of EMI filters feature hermetic glass seals and high EMI filtering performance. They are excellent for critical applications that demand high reliability in the toughest environmental conditions and...
This series of filters feature Pi filters with a transient suppressor at the input of the filter. They supply high-frequency performance with added protection to safeguard the circuits from voltage...
This space-saving, #2-56 threaded miniature spanner EMI filters are designed without a hex and will not require soldering for installation. These filters are an excellent selection for applications that require...
Three terminal chips offer a superior ability to withstand transient voltages and surges and deliver excellent filtering performance in high current applications while providing exceptional solderability and resistance to solder...