Passive Components


Latest Articles

Ceramic capacitors: new design tools online
1 November 2006
The S-parameters for simulating Epcos' current portfolio of ceramic capacitors are now available. The data was created in the CITI-file and Touchstone formats. The new S-parameters are for series and ...

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Termination chips handle higher powers
18 October 2006, Hiconnex
Radiall's new 100 W termination chip is made from aluminium nitride (AlN) and can handle up to 100 W over the DC-6 GHz frequency range without any compromise on the VSWR, according to the company. With ...

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Monolithic crystal filters are compact but hardy
18 October 2006, Altron Arrow
KDK's monolithic crystal filters (MCF) are available in a wide frequency range for receiving and transmitting applications. Some applications include: cellular radios, miniature pagers, synchronised multiplexers ...

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Series of impedance adapters
18 October 2006, Electronic Industry Supplies
Compel Electronics, a designer and manufacturer of interconnection systems and cable assemblies, has developed a new series of impedance adapters: baluns, which allow systems with different impedance ...

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2 mm square SMT trimmer potentiometer has lowest profile
18 October 2006, CST Electronics
Panasonic Electronic Devices has commercialised a 2 mm square low-profile SMT trimmer potentiometer, claimed to have the lowest profile in the industry. Sutable for adjusting circuits in electronic devices, ...

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Snap-in aluminium capacitors have high ripple ratings
4 October 2006, CST Electronics
Panasonic has developed what it claims is the highest ripple-current rated snap-in aluminium capacitors. The company's TS-EE series is suitable for the switching power supplies of white goods, industrial ...

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Compact long-life potentiometer
4 October 2006, CST Electronics
As today's equipment is becoming more and more compact, with improved integration and with more functions, the panel-mount type potentiometer as used for adjusting voltages, has been required to become ...

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Polymer aluminium capacitors with low ESL/ESR
4 October 2006, CST Electronics
Noise is a new issue in the recent digitalisation of audio-visual products. Panasonic has developed a new polymer aluminium capacitor that deals both with the noise problem and the stabilisation of power ...

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Higher-temperature rated solid tantalum chip capacitors
20 September 2006
Vishay Intertechnology has released new TH3 moulded solid tantalum chip capacitors, designed to provide high reliability with high-temperature capabilities of 150°C with 50% voltage derating. With a capacitance ...

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High-current inductors feature lowest DCR/μH for size
23 August 2006
Vishay has extended its IHLP family of low-profile, high-current inductors with new devices offering saturation currents up to 12 A and typical DCR values down to 3,4 mΩ in 2525 footprint. Key applications ...

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SMD PTC thermistors for power line voltages
23 August 2006, Electrocomp
Epcos has extended the SMD PTC series for overcurrent protection and now offers a chip PTC for maximum voltages up to 265 V for the first time. With a 1210 package, this PTC can handle rated currents ...

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SMD coilformers suitable for reflow
23 August 2006, Sivan Electronic Supplies
Norwe's EFD-SMD coilformers are made of glass-fibre reinforced polyphenylene sulphide PPS, rated to UL 94 V-0, temperature for longterm use at +220°C. They are suitable for reflow soldering. Pin material ...

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Low loss powder cores have benefits for a variety of applications
9 August 2006
The Magnetics Kool Mu powder cores are distributed air-gap toroidal cores made from a ferrous alloy powder for low losses at elevated frequencies. This 'near zero' magnetorestriction alloy makes Kool ...

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Coilformers for power conversion
9 August 2006, Sivan Electronic Supplies
Norwe offers coilformers made in glass-fibre reinforced polyphenylene sulphide PPS, rated to UL 94 V-0, and temperature for long-term use at 220°C. The coilformers are fitted with straight solder-pins ...

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Multilayer ceramic chip coil is smallest
9 August 2006, Altron Arrow
TDK's new MLG0402 chip coils are claimed to be the industry's smallest multilayer ceramic chip coils. The inductors, designed for ultra high frequency, represent a major breakthrough in miniaturisation ...

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Space-saving TP modules for DSL systems
26 July 2006, Electrocomp
EPCOS has integrated a filter choke and two PTC thermistors for surge-current protection in a single component. The new transformer protection (TP) module for DSL systems is a combination of the newly-developed ...

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Evaporator sensors with increased reliability
26 July 2006, Electrocomp
Epcos has developed a new evaporator sensor for airconditioning systems. NTC elements with glass passivation are coated with a special halogenated hydrocarbon polymer and packaged with a moisture-proof ...

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Small RF SAW filters for RFID
12 July 2006
Murata has completed the development of an RF SAW filter for the UHF RFID band for reader/writers. The SAFCH953MAA0X00 model utilises 2 MHz bandwidth between 952 and 954 MHz. Since cellular phones use ...

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Chip-sized trimmer caps offer wide tuning ranges
12 July 2006, RF Design
As circuit elements go, traditional trimmer capacitors can take up a generous portion of a printed-circuit board (PCB). With the continual shrinking of circuitry in handheld and mobile devices, however, ...

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X2 series film capacitors
12 July 2006, Electrocomp
Epcos' new series of X2 capacitors covering the upper capacitance range from 1,0 to 10 μF are particularly suited for applications such as filters, drives and UPS that require large capacitance values. ...

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