The DA22 from Schurter, Inc. is a compact power-entry module (PEM) that provides maximum electrical power density. Crafted especially for PCB mounting, the DA22 combines an IEC compliance inlet, a fuse, and a filter into one unit. Pre-wired this product requires minimal PCB space and can be mounted with only minimal time for wiring. This PEM integrates EMI filtering and … [Read more...]
Curtis Industries Acquires Filter Networks
Milwaukee, WS-based Curtis Industries has acquired the electromagnetic interference filters and filtered connectors product lines of Filter Networks of Salisbury, MD. Curtis, a manufacturer of electromagnetic interference filters and wire interconnect terminal blocks, is a division of Power Holdings, Inc. of Milwaukee. Founded in 1935, Curtis operates a plant at 2400 S. 43rd … [Read more...]
Compact RF Dielectric Filters Target W-CDMA Amplifier Applications
The DFCL filter series from Murata Electronics North America are block type filters measuring 10.6 mm x 6.0 mm x 4.8 mm. They offer excellent selectivity and ripple performance, features critical in wireless code division multiple access (WCDMA) Band 1 digital pre-distortion (DPD) and long term evolution (LTE) DPD amplifiers. A multi-pole design ensures that wanted signals are … [Read more...]
Philadelphia IEEE EMC Society Plans Session on Filters, Ferrites, & Controls
The greater Philadelphia Chapter of the IEEE EMC Society has slated its first session of the year for Tuesday, March 24 at 5 pm. Members, non-members, and interested guests are cordially invited to gather at LCR Electronics in Norristown for dinner and a chance to question a panel of experts on filters, ferrites, and electronic controls. Expert speakers are Paul Zdanowicz of … [Read more...]
EMI Filter/Suppression Module Performs in Harsh Avionic Environments
The VPTi10-28 from VPT, Inc. is a new EMI filter and voltage transient suppression module that provides two modules in one mini-package to reduce the reflected noise of DC-DC converters and to protect the power system from inrush current damage. The VPTi10-28 is well suited to harsh, demanding applications such as military or avionics. The device serves as the filtered input … [Read more...]
Transparent Conductive Coating Withstands High Thermal Loads and Changes in Humidity
New transparent conductive coatings from Deposition Sciences, Inc. (DSI) have been crafted for maximum conductivity and can be applied to flat sheer stock or precision optics. Operating in the visible through the infrared spectrum, the new coatings feature high transmission times between 450 nm and 1100 nm. Compatible with DSI’s dichroic filter technology, the highly durable … [Read more...]
How to Choose Ferrite Components for EMI Suppression
The experts at Fair-Rite Products Corporation have compiled this convenient 10-page technical guide “How to Choose Ferrite Components for EMC Suppression.”READ MORE … [Read more...]
Surface Mount Filters Eliminate Conducted EMI in Data Line Applications
The PDLFxxxxL family of surface mount filters from Coilcraft eliminates the problem of conducted EMI in data line applications and provides common- and differential-mode noise attenuation. These devices reduce noise by a factor of 32 from 15 MHz to 300 MHz and provide 300 Vrms isolation and come in 4, 3, and 2 line versions. They are RoHS-compliant. Samples of all values and … [Read more...]
EMI Filter Targets High-Speed Wireless Handset Applications
The CM1693 EMI filter from California Micro Devices (CMD) is based on a four-pole, inductor-based architecture crafted to meet the emerging high-speed interface requirements of wireless handset applications. Based on the company’s proprietary Praetorian III® EMI filtering technology, the new filter has a two-layer coupled inductor architecture and large value inductances that … [Read more...]
New Ferrite Bead Melds High Current Capacity, Noise Suppression, & Low DC Resistance
The BLM18KG is the latest addition to Murata Electronics BLM Series. Compared to conventional 0603 power beads, the BLM18KG can manage 1.5 to 2 times the rated current and is capable of handling up to 6 amps. These 0603 sized ferrite beads can offer comparable performance to larger more expensive 0805 and 1206 power and wire-wound beads. Another benefit is its DC resistance … [Read more...]
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