Passive Components


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Fully sintered soft ferrite powders
9 July 2008, Sivan Electronic Supplies
Cosmo Ferrites is offering newly developed, fully sintered MnZn ferrite powder for applications such as:    * Magnetic shield casing/enclosures, encapsulation of circuits, gap fillers and electronic potting ...

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Higher temperature rating for MLCCs
9 July 2008
Following strong demand from the plasma cell flat panel display and power supply markets, Murata has extended the maximum operating temperature rating of its popular HiCap series from 85°C to 125°C. This ...

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Series of low-ESR capacitors
25 June 2008
The T520 KO Cap series from Kemet features polymer cathode technology to achieve enhanced product specifications. The low-ESR capacitors are offered in capacitances from 15 to 1000 μF, with voltage ratings ...

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SMT MLCC range extended
11 June 2008
Kemet has added two new HiCV part types to its surface mount X5R MLCC product portfolio. Values added to the portfolio include a 4,7 μF/4 V part type offered in an EIA 0402 case size, as well as a 22 μF/10 ...

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High-temperature toroidal inductor
11 June 2008, EBV Electrolink
Vishay has announced a new toroidal, high-current, high-temperature inductor that offers high rated and saturation current, and low inductance and DCR. With a high operating temperature rating to +200°C ...

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Heatsinks reduce hot spots
28 May 2008, Sivan Electronic Supplies
Semiconductors in TO 220 and TO 218 case designs are usually secured to the selected heatsink by means of a screwed connection for the requisite cooling. This results in spot contact pressure in the area ...

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3 W shunt resistors down to 100 μΩ
28 May 2008
Vishay has announced a new Power Metal Strip meter shunt resistor that offers 3 W capability in the 5515 size package, with extremely low resistance values down to 100 μΩ. The WSMS5515 resistor features ...

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Chip inductors in tiny 0402 package
28 May 2008
Murata has released the BLM15P series of chip ferrite bead inductors in 0402 packages. These tiny parts measure 1,0 by 0,5 by 0,5 mm, achieving a footprint that is over 60% smaller than the 0603 types ...

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MLCCs added to flex mitigation portfolio
28 May 2008, Electrocomp
Kemet has launched its FE-CAP product line to complement its flex mitigation portfolio. The FE-CAP is a surface mount multilayer ceramic capacitor (MLCC) which utilises a floating internal electrode design, ...

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Ferrite offers good saturation over wide temperature range
28 May 2008
L Material from Magnetics is a MnZn power ferrite with a permeability of 900, which is optimised for transformer and inductor applications from 500 kHz to 3 MHz. Within this range, AC core losses are ...

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High-current DC transducers
14 May 2008
LEM has expanded its range of HAZ Series high-current DC current transducers, offering full-scale calibration from 4000 to 20 000 A. Hall effect measurement techniques are employed, providing galvanic ...

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Expanded range of toroidal cores
14 May 2008
In an effort to bridge the design gap between 26 μ and 60 μ toroids, Magnetics has expanded its Kool Mμ toroid line to include 40 μ cores. These toroids meet the needs of designers who require greater ...

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Capacitors aimed at EMI filter designs
14 May 2008, Electrocomp
With its new B3292*E/F series, Epcos now offers X2 safety class capacitors with capacitances up to 45 μF. The components were developed for across-the-line applications at 305 V a.c. and 110°C, and are ...

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SMD 0603 resistors rated at 0,20 W
30 April 2008, EBV Electrolink
Vishay has released a new Power Metal Strip resistor featuring a high 0,20 W power rating in the compact 0603 package size. With double the power capacity of the standard WSL0603-type device, the WSL0603... ...

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High power wire-wound resistors
16 April 2008
Royal Ohm has introduced the new KNP series of wire-wound resistors targeted for applications requiring large amounts of power dissipation. The components feature a high alumina content ceramic rod, ...

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First ever 35 V SMT tantalum chip capacitor
2 April 2008
Kemet has announced the release of what is said to be the first ever 35 V rated surface-mount polymer tantalum chip capacitor. Since their introduction in the 1990s, polymer tantalum capacitors have ...

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Wire-wound inductors employ innovative design
2 April 2008
Taiyo Yuden has released its NR6045T series of 6 x 6 x 4,5 mm height wire-wound power inductors for DC-DC converter choke coil applications in LCD/plasma TVs and other flat panel displays (FPDs). The ...

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Compact current sense transformers
2 April 2008, Electrocomp
Epcos has developed two series of current sense transformers that – thanks to their space-saving SMT design – are particularly suitable for compact DC-DC converters. They have dimensions of only 8,33 ...

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Ferrous alloy E-cores have benefits
19 March 2008
Kool Mμ powder cores from Magnetics are made of a ferrous alloy powder (Al, Si, Fe composition), which has low losses at elevated temperatures. They have a distributed air gap that makes them ideally ...

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Position sensor for harsh environments
19 March 2008
Vishay has released a new single-turn, bushing-mount position sensor featuring Hall-effect technology for applications in harsh environments. The 351 HE offers all electrical angles up to 360° with no ...

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