High power inductors stay cool in high frequency applications Product News 7/29/2004 Post a comment J.W. Miller's new low loss series of high power toroid inductors is the company's first standard product offering to incorporate Magnetic Inc.'s Kool Mμ ferrous alloy powder core. Although typically more expensive than powder iron cores, they offer a key advantage over these lower cost materials by preventing the distributed air gap cores from getting too hot in high frequency applications.
High-speed, high-power IR emitters boost optical efficiency Product News 7/29/2004 Post a comment Targeting CMOS camera applications, automotive night vision and sensor systems, Vishay Intertechnology's two new infrared (IR) emitters are optimized with an 850-nm wavelength in comparison with industry standard 870-nm emitters to improve optical efficiency in these types of applications. Both high-speed, high-radiant power devices provide a low 1.8-volt maximum forward voltage and a 20 nanosecond rise time.
Optek re-enters high-reliability market Product News 7/28/2004 Post a comment Due to customer requests, TT electronics OPTEK Technology is once again supporting the high-reliability market for Hall-effect , magnetoresistive and optoelectronic components. The company is a fully integrated high reliability manufacturer and offers products that can be QCI tested (Groups A, B, C & D) per MIL-PRF-19500 to the methods of MIL-STD-750 and MIL-STD-883. Full assembly and testing are performed in the company's ISO and QS9000 certified Juarez, Mexico facility.
Spot light sources combine high intensity, long life and high reliability Product News 7/28/2004 Post a comment Expanding its family of LIGHTINCURE spot light sources, Hamamatsu Corp. has introduced its compact and economical LC3 and LC4 versions for any number of manufacturing applications including UV curing of medical supplies, optical parts and fiber optic connectors. They can also be used for SMD bonding, HGA assembly, and sealing of liquid crystal and other electronic parts.
Raychem adds GDTs to product portfolio Product News 7/28/2004 Post a comment Raychem Circuit Protection, a business unit of Tyco Electronics Corp., has expanded its circuit protection line with the addition of gas discharge tubes (GDTs). These devices are typically used to help protect sensitive telecom equipment such as power lines, communication lines, signal lines and data transmission lines from damage caused by transient surge voltages that typically result from lightning strikes and equipment switching operations.
Software beefs up DDA digital sensor features Product News 7/28/2004 Post a comment MTS Sensors is offering a free upgrade to its liquid level gauge set-up software that provides several enhanced features for DDA digital sensors. The new MG version 2.08 set-up software upgrade provides new features for data logging and analysis via Excel documents and charts. Applications include logging of product and interface levels, as well as temperature and diagnostic functions.
EMI filter promises excellent ESD protection, electrical performance in a small package Product News 7/28/2004 Post a comment Developed for applications where space is at a premium, a new ESD protection array from Vishay Intertechnology Inc. integrates an EMI filter in a leadless LLP75 package. The new GTF701-HS3-GS08 two-channel EMI filter, which measures 1.6 x 1.6 x 0.7-mm, is designed to provide both EMI and bi-directional ESD protection for compact products including mobile phone handsets, laptop computers, PDAs, digital cameras, modems, GPS devices, and two-way pagers.
Solder Preforms - offered nearly 300 alloys Product News 7/23/2004 Post a comment For all interconnect and joining applications in electronics and hybrid packaging and assembly processes, Indium Corporation offers a complete range of solder preforms that includes their full range of solder alloys. Solder preforms can be specified in most of the nearly 300 alloys offered by the company, including Pb-free.
Thin Film Resistor Arrays - offer ultra-low 0.01% ratio tolerance Product News 7/23/2004 Post a comment Vishay Intertechnology announced the PR series high-precision thin film resistor arrays in compact 1206, 0805, and 0603 case sizes with a low profile of just 0.4 mm. Matched resistor networks in the PR series include from two to eight resistors and are precision-matched to 0.01% ratio tolerance - as opposed to a ratio tolerance of 0.05% in competing devices.
HV and HF Capacitors - volume reduced by up to 40% Product News 7/23/2004 Post a comment Taking advantage of new developments in the plastic film industry, Leclanche has added a new dimension, or rather has reduced dimensions of its line of high-voltage high-frequency capacitors. In certain cases, the volume has been reduced by 40%. The company announced three new series of high-voltage- and high-frequency capacitors using the new developments.
Current sense resistors tout low TCR Product News 7/22/2004 Post a comment Alpha Electronics Corp. of America has introduced a new precision surface-mount current sense resistor series that features a low temperature coefficient of resistance (TCR) of 0±25 ppm/°C, one of the lowest in the industry, thanks to the company's metal foil resistor technology.
Murata rolls out high capacitance cap in small package Product News 7/22/2004 Post a comment Review: Trend setting cap designers at Murata Electronics says thin is perennially in when its tiny high capacitance capacitors hit the catwalk this year. Murata claims its new GRM18 series capacitor using ultra-thin 1-micron dielectric films provides the highest capacitance for ceramic capacitors in a small 0603 case size.
RASTA Technology - protects against HEMP Product News 7/22/2004 Post a comment Rectified Advanced Silicon Technology Array (RASTA) technology developed by Smiths Interconnect company, Transtector, is now being used by the company to deliver highly efficient protection solutions for equipment that is likely to experience EMP/HEMP pulses. Electro-Magnetic Pulses (EMP) and High Altitude Electro-Magnetic Pulses (HEMP) may be caused by nuclear or non-nuclear means and result in a broadband, high intensity, short-duration burst of electromagnetic energy that can cause damage to
Wire Wound Inductors - in 0603/0402 package sizes Product News 7/22/2004 Post a comment Low cost 0402 and 0603 wire wound chip inductors from Wearns Cambion have excellent thermal stability due to the use of ceramic formers. The miniature devices exhibit high self-resonating frequencies and have higher Q values than the industry norm.
Camden 2004 Catalogue - details a wide range of components Product News 7/22/2004 Post a comment Camden Electronics has published a catalogue for 2004 detailing a wide range of components for electronics, telecommunications, lighting and electrical applications. The 140-page catalogue includes detailed data on Camden's comprehensive range of products encompassing PCB terminal blocks, interconnection, fuses and fuseholders, batteries, LEDs, miniature switches, relay bases, interface modules, enclosures, IC and PLCC sockets and control products.
Aluminum Cap Multipliers - why we can't have them and eat them too Blog 7/21/2004 Post a comment With virtually the highest available CV (capacitance time voltage) capability, accompanied by the lowest cost, aluminum capacitors are still not even close to getting canned into history books, as some would think. Some of our younger engineers get rather charged up thinking about ceramic and modern polymer technologies, writes columnist Sanjaya Maniktala. They should really be paying closer attention to aluminum electrolytics.
Resistors offer low resistor tolerance Product News 7/16/2004 Post a comment Malvern, Pa. Vishay Intertechnology, Inc. claims its new family of thin-film, high-value precision single in-line resistors is the industry's first to provide a low resistance tolerance of ±0.01% over a range of 50 kΩ to 10 MΩ.
Resistor arrays provide ultra-low tolerance in low profile Product News 7/16/2004 Post a comment Vishay Intertechnology, Inc. says it's the only manufacturer to offer a 0.01% ratio tolerance as a standard product feature for low-profile resistor arrays. The new PR series of high-precision, thin-film resistor arrays are available in 1206, 0805, and 0603 case sizes with a low profile of 0.4 mm.
SEI guarantees short lead times for wirewound resistors Product News 7/16/2004 Post a comment SEI Electronics, Inc. has launched a short lead time program for its line of wirewound resistors. Designated SEI FAST, the program guarantees delivery of limited quantities of the most popular wirewound resistor series in two to three weeks, depending on the product type.
Find RCD components faster with new search tool Product News 7/14/2004 Post a comment To help engineers and technical buyers make faster and better informed component sourcing decisions, RCD Components has released a new specialized passive component search engine at its web site called RCD InterActive. This new tool is designed to significantly speed up the search time required to find the right RCD component including capacitors, inductors, resistors, and delay lines for an application. It allows for more than 500,000 possible passive design combinations.
LED indicators reduce assembly costs Product News 7/7/2004 Post a comment A new series of right-angle LED indicators from Lumex Inc. can be mounted at a right angle to the PC-board without any additional spacers, mounting hardware or assembly time. In addition, the SSF-LXH4RA series devices are re-lampable, so virtually any standard two-leaded LED can be installed before or after the sockets have been soldered to the board.
LCD protection device replaces 50 discrete devices Product News 7/7/2004 Post a comment The Integrated Products Group of Microsemi Corp. says its new LCD protection device protects ten lines and can eliminate up to 50 discrete components. The flip chip array protects LCD interfaces from electromagnetic interference and electrostatic discharge.
MEMS simulation software designed for 2.5/3D EM technology Product News 7/7/2004 Post a comment Coventor Inc. in partnership with MEM Research offers a new 2.5D and 3D electromagnetic (EM) technology for simulation of MEMS devices and other micro systems. Designated the EM3DS, Electromagnetic 3D Solver, the product offers a fast, customizable way for designers to calculate electromagnetic effects on micro systems. The simulation tools complement Coventor's existing suite of CoventorWare software tools for RF, microwave and MEMS devices or may be used as a standalone product.
Rubidium oscillators target high performance applications Product News 7/7/2004 Post a comment Quartzlock USA's new HSRO series of high stability rubidium oscillators feature a high stable signal for time-frequency measurements. In combination with a small size and excellent short-term accuracy, the new oscillators can be used in a variety of high-performance applications. These include frequency calibration, telecom network synchronization, cellular phone base stations, satellite navigation, GPS receivers, radio transmitters, ground and satellite communications, time base and calibration
Dynamic Breaking Resistors - increase power handling, save space Product News 7/7/2004 Post a comment A series of dynamic breaking resistors, available from TTI, a leading distributor of passive components and connectors, offers a better pulse handling capability in a smaller package than traditional styles. Braking resistors are used to limit the voltage rise which can occur during a motor speed reduction phase, thus preventing damage to inverter electronics.
Protection Against EMP/HEMP - satisfies MIL STD 188125 Product News 7/7/2004 Post a comment Transtector, a Smiths Interconnect company has developed a complete capability in protecting against the effects of Electro-Magnetic Pulses (EMP) and High Altitude Electro-Magnetic Pulses (HEMP). A leader in the field of silicon avalanche diode technology, Transtector uses a combination of technologies to deliver purpose-built protection for specific communications, defence and aerospace applications.
Cal Micro expands wafer capacity for ASIP devices Product News 7/5/2004 Post a comment California Micro Devices has entered into a wafer supply agreement with SANYO Electric Co., Ltd. to expand its wafer capacity for the company's application specific integrated passive (ASIP) devices and analog semiconductors for mobile, computing and digital consumer markets.
Crystal available in small package Product News 7/5/2004 Post a comment International Timing Technology Inc. (ITTI) claims its new I30 miniature crystal is more than half the size of competitive crystal devices. Available in a 3.2 x 2.5 x 0.7-mm package, the crystal unit is designed for high-density and handheld or portable applications including Bluetooth, PCMCIA, PDAs, and laptop computers.
Speed sensor integrates tracking capacitor Product News 7/5/2004 Post a comment Targeting automotive and industrial applications, Allegro MicroSystems, Inc. has announced the availability of its new high-accuracy analog speed sensor with integrated tracking capacitor and dual zero-crossing output signal. Applications include automotive crankshaft speed sensing using ring magnets.
Programmable oscillators ship in 24 hours Product News 7/2/2004 Post a comment NDK (Nihon Dempa Kogyo Co., Ltd.) has announced the availability of its new 2775Y, 2775W, and 2785V series of programmable crystal clock oscillators (XOs) that can be shipped in 24 hours or less. Designed to shorten lead time for prototyping or for low volume production applications, NDK's frequency writing technology allows standard units to be tuned at the company's design centers in North America, Asia, and Europe to the required frequency very quickly, according to the company.
Watch crystals delivered on tape-and-reel Product News 7/2/2004 Post a comment MMD Components (Monitor & Quartztek) is offering its new line of surface-mount watch crystals on tape-and-reel to enable easy pick and placement and eliminate the need for hand-placing cylindrical crystals. The new WCSMD 32.768 KHz crystals use the same 6.5 x 1.9-mm can used on conventional watch crystals.
Filter boasts up to 1 GHz of attenuation Product News 7/2/2004 Post a comment Tyco Electronics, a business segment of Tyco International Ltd., has introduced a high performance CORCOM EJT series filter with attenuation performance up to 1 GHz. The company claims this two stage, inlet filter attenuates noise at much higher frequencies than traditional inlet filters currently available in the market.
Power cube inductors pack high power density in small package Product News 7/1/2004 Post a comment Measuring less than 10-mm high with low direct current resistance (DCR) and high saturation current, the new Pulse PG0200 power cube inductors target desktop PCs with T-socket processors. Applications include servers, multi-phase voltage regulator modules (VRMs), dc-to-dc converters, and other point-of-load applications.
EMI filter saves board space in dc-to-dc converter apps Product News 7/1/2004 Post a comment Targeting the telecommunications bus market, Picor, a subsidiary of Vicor Corp. offers a new active EMI filter for 48 V dc-to-dc converter applications. The company says the EMI filter's compact surface-mount package, measuring 1.0 x 1.0 x 0.2-in. (25.4 x 25.4.5 x 5.1-mm), offers a board space savings of 50% to 80% over passive EMI filter solutions.
Lead-free manufacturing: the reality is clear; the information is not Product News 7/1/2004 Post a comment Beginning July 1, 2006 all products sold to the European Union must comply with the Reduction of Hazardous Substances (RoHS) in Electrical and Electronic Equipment and the Waste Electrical and Electronic Equipment (WEEE) initiatives. While many North American manufacturers have taken a "wait and see" stance on the subject, the reality of lead-free manufacturing is upon us and electronics manufacturers are beginning to feel the pressure.
Resistor networks reach new industry-low ratio tolerance News & Analysis 7/1/2004 Post a comment Two new families of precision thin-film resistor networks from Vishay Intertechnology Inc. extend the ratio tolerance to a new industry-low of 0.01% in SOT-23 and 8-pin SOIC packages. The MPM and ORN matched-pair and quad resistor networks offer designers an alternative to technologies such as wirewound and hermetic packaging that was previously required to maintain a low tolerance. These devices are designed for instrumentation amplifiers, precision voltage dividers and bridge network circuitry
My Mom the Radio Star Max MaxfieldPost a comment I've said it before and I'll say it again -- it's a funny old world when you come to think about it. Last Friday lunchtime, for example, I received an email from Tim Levell, the editor for ...
A Book For All Reasons Bernard Cole1 Comment Robert Oshana's recent book "Software Engineering for Embedded Systems (Newnes/Elsevier)," written and edited with Mark Kraeling, is a 'book for all reasons.' At almost 1,200 pages, it ...