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Hybrid Couplers Target Wireless Band Applications

February 13, 2009 6:48 am | Product Releases | Comments

MECA’s 705 Series 3-dB, 90° hybrid couplers cover wireless band applications from UHF through UMTS (0.400 GHz to 2.200 GHz) with power levels to 500 W. The components are suitable for use as a duplexer for DAS head end systems or combining amplifiers for antenna sharing applications with high isolation. The units are equipped with

LISTED UNDER: Passive & Discrete Devices

Current-Sense Resistors Exhibit Low Resistance

February 12, 2009 6:45 am | Product Releases | Comments

Showing resistance shifts of <0.5% and < 0.25% for short time overloads, Stackpole Electronics’ BR Series bare-metal current-sense resistors exhibit resistance values down to 1 mOhm. The RoHS-compliant devices offer typ. inductance of =1 nH, sizes of 1 W, 3 W, and 5 W, TCR from 100 ppm to 20 ppm, and tolerances of

LISTED UNDER: Passive & Discrete Devices

Mini Transistors Drive Portable Applications

February 12, 2009 5:14 am | Product Releases | Comments

Well-suited for portable battery-powered applications, the CMLT3820G (NPN) and CMLT7820G (PNP) Low VCE(SAT) transistors from Central Semiconductor are provided in an SOT-563 SMT package with a maximum profile of 0.6 mm. The NPN CMLT3820G has a VCE(SAT) of 115 mV at 100 mA, and 280 mV at 1.0 A, while the

LISTED UNDER: Passive & Discrete Devices
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Winged Inductor Achieves Frequency Range up to 5 MHz

February 11, 2009 9:24 am | Product Releases | Comments

With a frequency range up to 5 MHz, the IHLW-5050CE-01 winged inductor from Vishay is intended for voltage regulator module (VRM) and dc-to-dc converter applications in end products. The inductor offers an inductance range from 0.10 µH to 10 µH, a saturation current range from 14.0 A up to 84 A, typical DCR from 0.8 mO to 30.4 mO, and maximum DCR from 0.96 mO to 34.0 mO

LISTED UNDER: Passive & Discrete Devices

Silicon Resistor Chips Target Hi-Rel Applications

February 10, 2009 6:58 am | Product Releases | Comments

Using a self-passivating and moisture-resistant tantalum-nitride resistor element, OnChip Devices’ TX, TL, and TR silicon resistor chips perform in medical, aerospace, military, communication, and instrumentation applications. The TX components exhibit a die size of 20 mm × 20 mm, resistance from 10 Ohm to 1 MOhm, absolute tolerance of

LISTED UNDER: Passive & Discrete Devices

Attenuators Come in Rugged SMA Housing

February 9, 2009 4:58 am | Product Releases | Comments

Exhibiting signal attenuation from 1 dB to 20 dB, Crystek’s CATTEN Series attenuators are designed in a rugged SMA housing for in-line connection and operation in test equipment, RF lab use, and other embedded applications. The devices offer frequency ranges from DC to 3 GHz, power dissipation of 1 W (0.5 W for

LISTED UNDER: Passive & Discrete Devices

Surge Protectors Target ADSL and VDSL Applications

February 6, 2009 5:29 am | Product Releases | Comments

Based on TISP overvoltage protection technology, Bourns’ TISP4CO15L1N, TISP4CO20L1N and TISP4C025L1N thyristor surge protector devices (TSPDs) provide protection for ADSL, ADSL2, ADSL2+, VDSL, and VDSL2 ports in modems or telephone exchanges. The feed-through-packaged devices are designed to

LISTED UNDER: Passive & Discrete Devices

Power Splitters Intended for Broadcast Applications

February 5, 2009 10:36 am | Product Releases | Comments

With wraparound or single- sided terminals, 1-W two-way resistive power splitters from International Manufacturing Services (IMS) are intended for broadcast applications. These resistive power splitters have 6-dB evenly split attenuation and operate from DC to 20 GHz. The devices have an attenuation accuracy of ±0.5 dB and a VSWR of 1.3:1

LISTED UNDER: Passive & Discrete Devices
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Z-Foil Resistors Achieve Thermal Stabilization in &lt;1 Second

February 4, 2009 11:56 am | Product Releases | Comments

The SMR1DZ and SMR3DZ Z-Foil molded surface-mount resistors from Vishay include thermal stabilization time of less than one second. The devices provide a low typical TCR of ±0.05 ppm/°C from 0°C to 60°C, 25°C Ref, and ±0.2 ppm/°C from -55°C to 125°C, 25°C Ref., tolerances to ±0.01%, load-life stability of 0.005%

LISTED UNDER: Passive & Discrete Devices

VCXOs Function over Wide Frequency Range

February 3, 2009 5:28 am | Product Releases | Comments

Adding to the XpressO oscillator series, Fox Electronics’ FVXO-PC72 2.5-V LVPECL VCXOs perform in a frequency range from 0.7500 MHz to 1 GHz. The 7-mm × 5-mm components employ a family of proprietary application specific integrated circuits (ASICs), as well as a third order Delta Sigma Modulator (DSM). The devices offer

LISTED UNDER: Passive & Discrete Devices

Crystal Oscillators Exhibit Low Jitter

February 2, 2009 5:55 am | Product Releases | Comments

Covering from 150 MHz to 220 MHz, Pericom Semiconductor’s 2.50-V and 3.30-V SX and SN Series, and 3.30-V SD and SH Series XP crystal oscillators demonstrate a typ. phase jitter of 0.25 ps rms for CMOS and PECL clock applications, respectively. The components present peak-to-peak jitter of 40 ps, max. power consumption of

LISTED UNDER: Passive & Discrete Devices

Vertical-Mount Wirewounds Use Bracket

January 30, 2009 5:29 am | Product Releases | Comments

Suiting power supplies in industrial power and control applications, Stackpole Electronics’ BVM Series vertical-mount wirewounds includes a bracket attached to the outside of the case, which also serves as one of the attachment leads. The RoHS-compliant devices offer sizes from 5 W to 25 W, standard tolerances of 1% and

LISTED UNDER: Passive & Discrete Devices

Chokes Address Renewable Energy Sector

January 28, 2009 4:44 am | Product Releases | Comments

Suitable as input and output devices for solar, wind, and fuel-cell inverter applications, Premo’s POT CORE Series chokes operate in the renewable energy sector and railway sector applications. The shielded components offer heights of 100 mm, 120 mm, and 180 mm, diameters of 100 mm and 120 mm, and availability to assembly in 1 or 2 cells. The inductive units exhibit current up to 44 Arms, operating frequencies up to 25 KHz, and

LISTED UNDER: Passive & Discrete Devices

Radial Inductors Address Low- and Medium-Current Applications

January 27, 2009 5:30 am | Murata Power Solutions Inc. | Product Releases | Comments

The 1100 R and 1300 R series of radial lead format inductors from Murata Power suit low and medium current applications. The 1100R series has overall dimensions of 4.0 mm diameter x 5.5 mm, is offered with inductance values ranging from 1.0 µH to 470 µH, and has a maximum current rating

LISTED UNDER: Passive & Discrete Devices

Programmable Oscillators Exhibit Low Power Consumption

January 26, 2009 7:46 am | Product Releases | Comments

Offering a start-up time of 3 ms, SiTime’s SiT8003, SiT8003XT, and SiT8033 programmable oscillators demonstrate typ. power consumption of <3.5 mA in active mode and <10 µA in standby mode. The devices can be programmed to operate at 1.8 V, 2.5 V, 2.8 V, or 3.3 V over frequencies from 1 MHz to 110 MHz with an rms jitter of

LISTED UNDER: Passive & Discrete Devices

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