Components: LED Stacks Replace Incandescent Bulbs For 360° Visual Indication

June 21, 2004

Designed as a substitute for incandescent bulbs, the SL2 series of lamp-based LEDs provides 360° visibility for use in various stack lights and signal towers. Available in red, yellow, green, blue, and white colors, they come with 15-mm diameter fresnel lenses. Base styles for installation come in 30-, 50-, and 70-mm stack lights. They feature 100,000-hour lifetimes and can run off 12 V ac-dc and 120 V ac. Also, they boast overvoltage, reverse-polarity, and electrostatic-discharge capabilities. Price for the SL2 lamps starts at $15 each in 100-unit quantities. Colors may be combined for volume discounts. Lead time is six weeks.

Data Display Productswww.datadisplay.com; (800) 421-6815

About the Author

Roger Allan

Roger Allan is an electronics journalism veteran, and served as Electronic Design's Executive Editor for 15 of those years. He has covered just about every technology beat from semiconductors, components, packaging and power devices, to communications, test and measurement, automotive electronics, robotics, medical electronics, military electronics, robotics, and industrial electronics. His specialties include MEMS and nanoelectronics technologies. He is a contributor to the McGraw Hill Annual Encyclopedia of Science and Technology. He is also a Life Senior Member of the IEEE and holds a BSEE from New York University's School of Engineering and Science. Roger has worked for major electronics magazines besides Electronic Design, including the IEEE Spectrum, Electronics, EDN, Electronic Products, and the British New Scientist. He also has working experience in the electronics industry as a design engineer in filters, power supplies and control systems.

After his retirement from Electronic Design Magazine, He has been extensively contributing articles for Penton’s Electronic Design, Power Electronics Technology, Energy Efficiency and Technology (EE&T) and Microwaves RF Magazine, covering all of the aforementioned electronics segments as well as energy efficiency, harvesting and related technologies. He has also contributed articles to other electronics technology magazines worldwide.

He is a “jack of all trades and a master in leading-edge technologies” like MEMS, nanolectronics, autonomous vehicles, artificial intelligence, military electronics, biometrics, implantable medical devices, and energy harvesting and related technologies.