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VCO Delivers 9 dBm Output Power

September 29, 2008 5:15 am | Product Releases | Comments

Operating from 75 MHz to 85 MHz with a control voltage from 0.5 V to ~4.5 V, Crystek’s CVCO55FL-0075-0085 VCO displays a typical output power of 9 dBm. The 0.5” × 0.5” SMT-packaged oscillator has a typical phase noise of -123 dBc/Hz at 10 KHz offset, input voltage of 5 V, and a maximum current consumption of 25 mA. Pulling and

LISTED UNDER: Passive & Discrete Devices
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Ceramic Capacitors Offer Strain Relief

September 26, 2008 7:11 am | Product Releases | Comments

Intended for power supply and surge protection applications, the SMC Series of stacked multilayer ceramic capacitors from HolyStone International have strain relief provided by the lead frame design. Available with capacitance values of up to 27 uF in both NP0 and X7R dielectrics, the devices accept from 25 to 500 VDC, with an operating temperature range from –55º to +125ºC

LISTED UNDER: Passive & Discrete Devices

Yagi Antennas Operate at 2,500 MHz

September 25, 2008 6:48 am | Product Releases | Comments

Fulfilling moderate to high gain directional requirements at 2.4 GHz, Astron Wireless Technologies’ P2400 Series yagi antennas demonstrate a frequency range from 2,375 MHz to 2,500 MHz. The devices include 4 levels of gain, a wideband design for coverage without

LISTED UNDER: Passive & Discrete Devices

Sensing Chip Resistor Offers Low Absolute TCR

September 24, 2008 10:40 am | Product Releases | Comments

Using Z-Foil technology, Vishay Intertechnology’s VCS1625Z SMT current sensing chip resistor demonstrates an absolute TCR of ±0.05 ppm/°C from 0°C to 60°C and ±0.20 ppm/°C from -55°C to 125°C with a 25°C ref. The device exhibits power coefficient ("?R due to self heating") of ±5 ppm at rated power, a tolerance of ±0.20%, and load-life stability of

LISTED UNDER: Passive & Discrete Devices

Silicon Carbide Power Transistors Offer Improved Performance

September 23, 2008 12:09 pm | Product Releases | Comments

Operating in motor drives, DC/DC conversion, welding systems and power electronics, TranSiC’s silicon carbide (SiC) BITSIC-1220 and BITSIC-1206 NPN power bipolar junction transistors operate at 225°C, have negligible storage time delay, provide independent switching, handle short-circuits and have immunity to cosmic rays. The 3.40 mm × 1.85 mm BITSIC-1206 offers collector current from 6 A to 20 A

LISTED UNDER: Passive & Discrete Devices

Inductors Suit Power Line Filtering

September 17, 2008 6:03 am | Murata Power Solutions Inc. | Product Releases | Comments

Producing inductances from 1.2 µH to 22 µH with currents up to 2.9 A, Murata Electronics’ LQH55P Series power inductors accommodate power line filtering with regard to DC/DC converter applications including digital cameras and hard disk drives for laptops. The 5.8 mm × 5.2 mm components exhibit DC resistance from 0.021 O ±20% to

LISTED UNDER: Passive & Discrete Devices

RFID Tags Cover UHF Band

September 16, 2008 10:15 am | Murata Power Solutions Inc. | Product Releases | Comments

Applying directly on the PCB like other SMT components, Murata Electronics’ LXMS31 Series MagicStrap tags provides coverage and impedance matching in the UHF band from 850 MHz to 965 MHz. The 3.2 mm × 1.6 mm × 0.7 mm components are inductively

LISTED UNDER: Passive & Discrete Devices

Resistor Offers Low TCR

September 15, 2008 9:55 am | Product Releases | Comments

Exhibiting 25°C ref., Vishay Intertechnology’s VPR220Z Z-Foil resistor provides an industrial-grade absolute TCR of ±0.050 ppm/°C from 0°C to 60°C and ±0.200 ppm/°C from -55°C to 125°C. The TO-220-packaged component presents a power rating up to 8 W at 25°C per MIL-PRF-39009 (1.500 W in free air), power coefficient ("?R due to self heating") of

LISTED UNDER: Passive & Discrete Devices

Arrays Combine Ceramic Components

September 15, 2008 9:25 am | Product Releases | Comments

Integrating a custom selection of individual ceramic components into a single SMT package, NOVACAP’s Cap-Rack Series component arrays consist of multilayer ceramic capactiors (MLCCs) and/or a combination of MLCCs with dissimilar capacitance values and dielectrics. The devices can be configured to include ceramic resistors and inductors in applications such as

LISTED UNDER: Passive & Discrete Devices

Power Resistors Exhibit High Tolerances

September 15, 2008 9:21 am | Product Releases | Comments

Possessing a temperature coefficient of resistance or 25 or 50 ppm, Thin Film Technology’s line of chip power resistors present resistance tolerances of less than ±1% by sinking heat to the board. The 0.25” × 0.12” RoHS-compliant devices handle 16 W of power

LISTED UNDER: Passive & Discrete Devices

VCXOs Offer Wide Frequency Range

September 15, 2008 9:18 am | Product Releases | Comments

Exhibiting frequency stability from ±25 to ~±50 ppm, Jauch Quartz America’s JVD75A and JVD75B voltage-controlled LVDS quartz oscillators operate in a frequency range from 12 MHz to 700 MHz. The JVD75A includes a quartz crystal in MESA technology and the JVD75B uses a standard AT-cut blank and a low jitter frequency multiplier. The 7 × 5 × 1.6

LISTED UNDER: Passive & Discrete Devices

Frequency/Time Standard Uses GPS and OCXO Technology

September 15, 2008 9:14 am | Product Releases | Comments

Having PCB mountability with a MMCX antenna connection on the side, Suntsu Frequency Control’s SGPS2 Series frequency and time standards combine a 16-channel GPS receiver with Suntsu’s OCXO technology in a 2” × 2” × 1.25” package. The OCXO frequency is disciplined with timing signals from the GPS satellites to maintain frequency accuracy to

LISTED UNDER: Passive & Discrete Devices

Filter Targets High Voltage Applications

September 15, 2008 9:04 am | Product Releases | Comments

Extending its SineFormer Series of EMC output filters, Epcos has designed its B84143V*R290. This filter is designed for applications up to a voltage of 760 V and is available in current stages of 95 A, 180 A, and 320 A. Depending on their type, they are operated at clock frequencies from 205 kHz. The technology allows there to be no shielded motor

LISTED UNDER: Passive & Discrete Devices

Varistor Eliminates Fire Danger

September 15, 2008 8:46 am | Product Releases | Comments

Eliminating the risk of fire or explosion resulting from overvoltages or leaky currents, the SFS14K385E2 from Epcos, is a varistor designed with a plastic coating to prevent smoke from developing. In the event of a fault, no other components

LISTED UNDER: Passive & Discrete Devices

Ferrite Material Designed for Power Applications

September 15, 2008 8:41 am | Product Releases | Comments

Two ferrite materials are designed by Epcos for power range typical of SMPS and current meters. The N95 is distinguished by a high flux density of 525 mT at 25°C and 410 mT at 100°C. A specific feature is its low power dissipation at 100°C; it is only 250 kW/m³ at 500 kHz and has a flux density of 50 mT. It has an optimum operating frequency range

LISTED UNDER: Passive & Discrete Devices

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