The new VPT10-28 (10 A) and the VPT2028 (20 A) have been added to its COTS product line by VPT, Inc. These filter modules provide compliance to MIL-STD-461 C/D/E for conducted emissions in military and avionics DC power systems. Both devices fulfill the DOD’s COTS (commercial-off-the-shelf) directive in terms of cost and stringent military and avionics performance standards. … [Read more...]
Press-In EMI Filters Minimize Installation Time
The GS136 line from Cory Micronics has been crafted to minimize installation time while delivering the same filtering as the firm’s line of bolt-in filters. These new filters are well suited to use in products where soldering is not required or in applications where traditional installation is too time-consuming. The knurled filter housing is designed to be pressed directly … [Read more...]
DIN-Rail Mounted Filters Protect Against Surges and Voltage Transients
The new STFE Elite Series of Active Tracking® filters from SolaHD mount directly on standard DIN rails. They have been crafted to provide superior protection from the full spectrum of voltage transients and surges that may impair operation of control panels, factory automation systems, PLCs, and other industrial and machine tool equipment. These filters combine a hybrid … [Read more...]
Power Filter Line Expands with Addition of RAST 5 Option
The WG Power Filter Line family from Tyco Electronics has been expanded a new power line filter with a RAST style connector for ease of installation and the elimination of potential wiring errors. This tubular filter is now available with an un-keyed two-position RAST 5 header that mates with Tyco Electronics’ stand connectors or with the RAST 5 Positive Lock Mark III … [Read more...]
Extensive Line of Custom EMI Filters Available
WEMS EMI/RFI Filter Division designs and manufactures high reliability input, output, power line, and signal filters intended for military, aerospace, and high end industrial applications. WEMS services include filter circuit design and analysis, filter packaging and layout, prototype/first article, EMI test assistance, environmental tests, source control drawings, acceptance … [Read more...]
High Attenuation EMI/RFI Filters Meet the Requirements of MIL-F-15733
New dual and triple circuit power line electronic filters from Fil-Coil meet the requirements of MIL-F-15733. These dual and triple units run at operating temperatures or -550 degree C to +850 degrees C. Voltage ratings are 115 VAC, 400 VDC, 0 – 400 Hz. With minimum insertion loss characteristics, these MIL-F-15733/75 filters eliminate noise and interference to achieve … [Read more...]
E-Field Antenna Provides Strong Fields for Radiated Susceptibility Testing
The EFG-3 E-field generating antenna from Instruments for Industry (IFI) generates strong electric field intensities for use in radiated susceptibility test systems. A conventional 50-ohm termination of appropriate handling capability allows for the dissipation of any unused power. Consequently, the EFG-3 can handle up to 1000 watts of continuous power. The efficient … [Read more...]
Oxley & Turbo Power Systems Partner to Produce Filtered Connector
Filtered connectors manufactured by Oxley Developments Company Ltdwill soon be flying high on a new commercial aircraft, thanks to aneffective partnership with Turbo Power Systems (TPS).TPS supply the rack-mounted liquid-cooled controller for the aircraft’sjettison fuel pump and required a high performance filtered connector thatwould not only remove electromagnetic … [Read more...]
University of St. Andrews Researchers Use Ferrites to Create Faraday Rotators
An important component in many microwave and mm-wave systems is the isolator or circulator. University of St. Andrews researchers use permanently magnetized ferrite materials to construct quasi optical Faraday rotators (QOFRs) which can be used to make both isolators and circulators. These devices have very high performance and are a key enabling technology for many mm-wave … [Read more...]
Utilizing Overlooked Characteristics of Ferrites for Improved Printed Circuit Board EMI Suppression
ABSTRACT While nickel-zinc composition soft ferrites are routinely used for PCB EMI suppression, the consequences of DC and low frequency AC bias on a device's high frequency impedance has not been widely discussed in the EMC and magnetic component literature. Virtually all EMI suppression applications in DC and AC power filter circuits place two-terminal ferrites under … [Read more...]
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