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LED Assemblies Exhibit Low Thermal Resistance

January 15, 2009 4:18 am | Product Releases | Comments

Integrating 4 1-W LED dies into a single assembly for solid state lighting applications, OPTEK Technology’s OV4Z Optimal IV Star Series star-shaped LED assemblies present a thermal resistance of <2°C/W from junction to heatsink. The devices offer emitted colors of blue (455 nm to 460 nm), green (530 nm to 535 nm), red (620 nm to 630 nm), amber (585 nm to 595 nm), and daylight white. Typical forward voltage at

Thermal Interface Material Features High Conductivity

January 14, 2009 12:27 pm | Product Releases | Comments

With thermal conductivity of 6 W/mK and thermal impedance of just 0.05 Kin.²/W, Keratherm U 90 thermal interface material from MH&W International has a voltage breakdown property of 4 kV. It provides perforation protection with a tensile strength of 2.500 N/mm² and a Shore A hardness of 70. The material is available in 0.100 mm and

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Multipliers Accept Input Frequency to 8 GHZ

January 14, 2009 12:20 pm | Product Releases | Comments

Accepting an input frequency from 0.85 GHz to 8.0 GHz, the Crystek Pocket Passive Doubler (CPPD) series of frequency multipliers from Crystek Microwave feature an input drive level of 10 dBm to 20 dBm with a typical conversion loss of 15 dB for the CPPD-0.85-2.0 and 13 dB for the CPPD-2-4. Maximum output power rating for the CPPD line is 27 dBm, with an operating temp

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Energizer to Release OEM Version of Zinc/Air Battery

January 14, 2009 10:14 am | by by Jason Lomberg, Technical Editor | Blogs | Comments

The history of portable electronics is one of decreasing size, both for the devices themselves and the batteries to power them. A while back, I reported on the Quad A battery—specifically, Energizer’s push to make the Quad A more commercially available. The Quad A was commercially available (though not prevalent) since 1989. Similarly, the technology behind Energizer’s latest offering, the Zinc Air Prismatic Battery (or ZAP for short), has been around since 1991.

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Surge Protective Devices Meet UL 1449 Third Edition Standard

January 14, 2009 8:35 am | Product Releases | Comments

Built with TPMOV surge suppression technology, Ferraz Shawmut’s new Surge-Trap surge protective devices (SPDs) comply with the UL 1449 Third Edition standard. The units exhibit modular-style IP-20-grade “finger-safe” protection, and mounts on a DIN rail to safeguard critical electrical system components from transient overvoltage effects. The devices suit system voltages from 120 V to 600 V, and are MCOV rated from

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Ultrasonic Level Sensors Target Fluid Apps

January 14, 2009 8:22 am | Product Releases | Comments

Measuring up to 26.2’ (8 m), Gems Sensors & Controls' UCL-520 Series ultrasonic level sensors are suitable for non-contact fluid applications, such as industrial water treatment, wastewater management, and chemical storage. The two-wire ultrasonic transmitter offers a PVDF transducer, a 8” min. dead band, a 3” min. beam width, and a selectable display indicating levels in air gap or liquid height. The device is push button calibrated with

I/O Links Demonstrate 10 Gb/s per Channel

January 14, 2009 7:11 am | Product Releases | Comments

Using common wire gauges in cable lengths up to 10 meters, FCI’s DensiShield I/O links exhibit 10 Gb/s per channel differential performance. The differential performance can be achieved at 6 meters or less by utilizing 30 AWG cable, at 8 meters or less by utilizing 28 AWG cable, and at 10 meters or less by utilizing 26 AWG cable. The devices meet the 10GBase-CX4 Ethernet and Infiniband industry standards. The products accommodate

Industrial Panel PC Possesses 12 ISA/PCI Slots

January 14, 2009 6:50 am | Product Releases | Comments

Bundling with a PICMG 1.0 Core2 Quad/Dual or Pentium 4 single board computer (SBC), Advantech’s IPPC-7158B 15” industrial panel PC exhibits a passive backplane with up to 12 ISA/PCI expansion slots. The unit consists of a XGA TFT LCD, a front-accessible design with water resistant cover; a flat-sealed front-panel, and an aluminum detachable side-open front panel (NEMA4/IP65 compliant). The model includes

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Color-Changing Pushbuttons Support LEDs

January 14, 2009 6:39 am | Product Releases | Comments

Offering sizes of 12.70 mm², 15.88 mm², and 19.05 mm², EAO Switch’s Series 95 color-changing pushbuttons allow up to 2 (12.70 mm²) or 3 (15.88 mm² and 19.05 mm²) LEDs to be added. The 24-mm high (max.) devices have an N/O self-cleaning gold-plated switch element rated at up to 48 VDC/50 mA. The units are suitable for mounting on PCBs between 1.50 mm and 2.50 mm thick and can be snap-mounted to the PCB. The switches

Digitizers Use up to Eight Channels

January 14, 2009 6:21 am | Product Releases | Comments

Configuring up to 64 channels in a single system, GaGe’s Octopus CompuScope 84XX 16-bit digitizers offer 2, 4, or 8 digitizing channels in a single PCI card. The products present up to 4 GB of on-board acquisition memory, base memory of 128 MS with up to 2 GS optionally available, and 10 MS/s or 25 MS/s sampling per channel. The devices support timestamping, clock in/clock out, trig in/trig out, and a 10-MHz reference clock. Optional

MEMS/nanotech podcast

January 14, 2009 6:20 am | Product Releases | Comments

This podcast is a discussion of MEMS and nanotechnology in the international marketplace, and is part of a series on disruptive technology done in conjunction with Hannover Fairs, and is intended to be a snapshot of the MEMS Nanotech facet.

Cover Story: Distributed Power Goes from Utilities Down to ICs

January 14, 2009 6:12 am | by Jon Titus, Senior Technical Editor | Articles | Comments

Distributed power means different things to engineers. Some think of it only as the distribution of different DC voltages on a circuit board or in a rack of equipment. But good power-distribution engineering starts at the power company's connection to a building's wiring and goes all the way down to IC power inputs.

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SSLD Delivers Hysteretic Control

January 14, 2009 5:55 am | Product Releases | Comments

Using a buck topology, Supertex’s HV9919 SSLD uses a hysteretic control function to maintain its output current between a fixed minimum and maximum level at all times. The PWM controller performs in solid-state lighting applications, such as industrial, architectural, signage, or decorative lighting; indicator or emergency lighting; and as a general-purpose, constant-current source. The component offers programmable dimming frequency via

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Heater is Touch-Safe

January 14, 2009 4:54 am | Product Releases | Comments

Able to deliver from 50 W to 150 W, the CS060 Series heater from Omega Engineering has a double-insulated plastic case for touch-safe operation. The clip-mounted device is intended for use with water, automotive, and food-processing applications. The CE-compliant heater is designed for permanent operation and is compatible with the company’s

Isolation Amplifiers Offer Short Circuit, Overload Detection

January 14, 2009 4:46 am | Product Releases | Comments

Based on optical insulation technology and sigma-delta modulation, Avago Technologies' ACPL-785J Series isolation amplifiers integrate short circuit and overload detection. The 10.3-mm × 10.2-mm × 3.5-mm SO-16-packaged components allow direct measurement of motor phase currents in power inverters. The devices demonstrate 1-µV/°C offset change vs. temperature, CMR of 25 kV/µs at 1,000-V VCM, and a min. bandwidth of

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