All-metal sealed keypads target harsh environments Product News 5/27/2004 Post a comment EAO Switch has expanded its line of sealed and anti-vandal keypads with the introduction of its all-metal sealed S series. These new keypads are designed for high-use public and industrial environments such as for access control, banking, and kiosk applications. In addition, the new line aids the visually impaired by providing a "blind" pin locator that can be found on key "5" as well as options for Braille and raised characters.
Fan tray assemblies support up to nine fans Product News 5/26/2004 Post a comment Bud Industries Inc. has announced the availability of three additional fan tray assemblies that include three, six and nine fans per unit, for a total of more than 100 CFM (cubic feet/minute) per fan. These fan assemblies will improve systems operations by controlling waste heat generated by equipment within a cabinet.
Switches beef up current capability, operational life Product News 5/14/2004 Post a comment Two new series of short travel PCB key switches from ITT Industries, Cannon offer double the current carrying capability and twice the specified life of standard industry devices. Designated as the RACON series switches, they can handle up to 100 mA, and have an operating life at full load of one million actuations. In addition, the new key switches contain no lead, cadmium or mercury, and are compatible with lead-free soldering processes.
GP relay provides screw termination for design flexibility Product News 5/14/2004 Post a comment Tyco Electronics, a business segment of Tyco International, Ltd., has expanded its POTTER & BRUMFIELD product line
with the introduction of the two-pole, 30 amp, T92 series power relay. The company says the flange mount, screw-terminal version offers engineers one more alternative for new power switching designs, and may find homes in a number of industrial controls, as well as commercial and building equipment applications.
Multiple choices for pushbutton switches Product News 5/13/2004 Post a comment The YB series of panel-sealed pushbutton switches from NKK Switches is available in a variety of configurations, styles and options including power or logic level ratings and illuminated or non-illuminated versions. All of the switches are UL recognized, CSA certified and qualifies to IP65 of IEC520 standards for oil tight, dust tight and splash-proof panel seal requirements (similar to NEMA 4 and 13).
Tact switches offer 20% size reduction Product News 5/12/2004 Post a comment In response to the consumer market for smaller and thinner devices, ALPS Electric has shrunk the size of its four-way tact switches by 20 percent. Offering a height of 4.0 mm, the company claims that the SKRV series switches with a center-push button is 20 percent smaller than previous ALPS products and the industry's thinnest switch. The key application for the new switch line is portable digital equipment such as portable audio products and digital cameras.
Heavy-duty cabinets survive seismic events Product News 5/7/2004 Post a comment A new line of Seismic cabinet enclosures from Elma Electronic Inc. offers a high strength-to-weight ratio to support and protect equipment during the full force of a seismic event. The heavy-duty Type 45S cabinets feature cross bracing, back stiffeners, and double-walled extrusions that enable the cabinets to handle heavy weight and meet the stringent requirements of Zone 4 shock and vibration standards.
Pentagon tests toxin detection and forecast system News & Analysis 5/4/2004 Post a comment The blimp with the 23-foot-long sensor-studded tether that is now hovering over the Pentagon is about to conduct novel tests of simulated airborne toxins. As the blimp releases a faux poison over the course of the next two weeks, a real-time system designed for first responders will gauge how much of the toxin has been discharged and where, and then predict where the plume will drift and how it will disperse.
Blog Make a Frequency Plan Tom Burke 17 comments When designing a printed circuit board, you should develop a frequency plan, something that can be easily overlooked. A frequency plan should be one of your first steps ...