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Capacitor Series Features Large Current Discharge

January 5, 2009 1:36 pm | Comments

Featuring large current discharge ranging from 3.3 V to 0 V, the XH311HG capacitor series from Seiko Instruments comes in a 3.8 mm x 1.1 mm package. The series is Pb-free reflowable, and has 0.02-F Capacitance. The capacitors are RoHS compliant. Intended application is as backup energy for real-time clocks (RTC) and SRAM in

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Emitter Touts Lowest Forward Voltage in PLCC2 Package

January 5, 2009 1:24 pm | Comments

Featuring a viewing angle of ±60° with a high radiant intensity of 16 mW/sr at 100 mA, the VSMF4720 870-nm infrared emitter from Vishay is billed as having the industry's lowest forward voltage and highest radiant intensity of any such device in the PLCC2 package. The device offers high power output up to 1 A and 50-mW

Fan Tray Includes Replaceable Filter

January 5, 2009 9:42 am | Comments

Designed to mount directly into a 19” cabinet, the OMB5200-120 Series dual-fan tray blower assembly from Orion Fans has a cleanable/replaceable aluminum mesh filter. The 3U tray delivers 340 cfm of directed airflow with a noise level of 57 dB. Options include adding a thermistor control, a tachometer output, a PWM input, a constant

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Driver/MOSFET Module Boasts High Efficiency

January 5, 2009 8:15 am | Renesas | Comments

Integrating two high-side/low-side power MOSFETs and a driver circuit in a 6-mm² 40-pin QFN package, the Renesas R2J20651NP can operate at an efficiency as high as 96.5 percent. Able to produce an output from 0.8 VDC to 5 VDC from a 4.5-VDC to 16-VDC input, the 35-A device runs at a max operating frequency of 200 MHz and

GaN HEMT Microwave Transistor Supplies 120 W

January 5, 2009 7:24 am | Comments

Consisting of a single unmatched GaN HEMT die, Cree’s CGH40120F GaN HEMT microwave transistor delivers a minimum saturated output power of 120 W at 28 V. The component performs in general-purpose military and industrial applications, such as electronic warfare, tactical communications, radar, instrumentation, and

Automatic Fallback Switch Presents Remote Access

January 5, 2009 7:09 am | Comments

Using 10/100-Base-T connection and either Telnet commands or a GUI, Electro Standards Laboratories’ Model 7339 Cat5e RJ45 A/B automatic fallback switch can share one workstation or device among two other devices connected to the

Pulse Shaping/Measurement Systems Switch Between Measurements

January 5, 2009 6:33 am | Comments

Implementing autocorrelation, FROG, XFROG, and single-shot SPIDER measurements, Fastlite’s Phazzler pulse shaping and measurement systems can switch between a FROG and a SPIDER measurement by clicking a button without switching the optical alignment. The devices integrate an AOPDF or turn key Dazzler pulse shaping system with its associated RF arbitrary waveform generator and its acousto-optic crystal. The instruments

Filter Media Meets UL 94

January 5, 2009 6:06 am | Comments

Operating in medical, power-gen, military electronics, telecom and filter applications requiring flame safety and dust arrestance, Universal Air Filter’s 0.12” Quadrafoam filter media complies with the UL 94 HF-1 rating. The compressible product is available in 45 ppi, 60 ppi, and 80 ppi (pores per inch). The media can be bonded to interior chassis walls for insulation or circuit card stabilization purposes. The RoHS-compliant product also meets

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ESD Protection Arrays Offer Low Capacitance and Leakage Current

January 5, 2009 5:48 am | Comments

Protecting high-speed data lines against transient voltage signals, Vishay Intertechnology’s 2-line VBUS052CD-FAH and 4-line VIS054CD-FHI ESD protection arrays exhibit a load capacitance of 0.8 pF and max. leakage current of <1 µA at a working voltage of 5 V. The 0.6-mm high components present a typ. breakthrough voltage of

AC/DC Rocker Switches Resist Water

January 5, 2009 5:23 am | Comments

Having IP56 certification, Cherry Electrical Products’ KS, KG, KT, and KM Series AC/DC rocker switches suit panel-mount applications in which the switches will be exposed to dust and water. The KS devices exhibits a current rating of 16 A at 125 VAC, while the KG, KT, and KM units are rated at 20 A at 125 VAC. The products offer a current rating of 21 A at 14 VDC, UL approval on AC loads, and 0.25” (6.35-mm) quick-connect tab

Temperature Sensors Measure Substrate Diodes

January 5, 2009 5:07 am | Comments

Targeting notebook PCs, servers, and industrial and embedded systems, SMSC’s EMC141x and EMC107x families of temperature sensors measure the temperature of a substrate diode found on GPUs, CPUs, FPGAs, or ASICs. The devices incorporate automatic beta compensation that detects the requirements of a thermal diode and self-configures the measurement attributes. The components have resistance error correction that adjusts

Power Supplies Target Medical Engineering Apps

January 5, 2009 4:39 am | Comments

Receiving CB-Scheme and VDE approval acc. to EN 60 950-1 and EN 60 601-1, MTM Power’s PMmed and PCMDmed48 Series primary-switched power supplies serve Class 1 and Class 2 medical engineering applications. The CE-compliant modules exhibit an output power of 48 W, single output voltages 5 VDC, 12 VDC, 24 VDC, and

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Industrial-Grade Supply Delivers 175 W

December 31, 2008 10:36 am | Comments

Using a resonant topology, the CLC175 single-output open-frame AC/DC power supply from XP Power can deliver up to 175 W. The 3” × 5” × 1.25” device has a power density as high as 9.3 W/in.³ and an efficiency as high as 87 percent. Only 10 cfm of forced airflow is required for full power, and a 12-VDC 0.5-A fan output

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Integrated Switch and Schottky Diode Boost Regulators Offer Wide Input Range

December 31, 2008 8:42 am | Comments

Micrel introduced the MIC2605/6, two wide-input range integrated switch and Schottky diode boost regulators operating at 1.2 MHz (MIC2605) and 2 MHz (MIC2606).  Both devices supply up to 0.5 A switch current. The devices, which complement the company's MIC2601/2 family, are

Circular Connectors Withstand up to 5 PSI

December 31, 2008 8:04 am | Comments

Maintaining 0.050 contact spacing, miniature circular connectors from ITT Interconnect Solutions withstand up to 5 PSI. The connectors meet IP68 standards and all insulator and contact areas within the connectors are sealed against environmental elements. The 37-pin connectors feature a twist pin contact system

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