Passive Components


Latest Articles

Inductors ready for VDSL2
12 July 2006, Electrocomp
Epcos has developed a new series of SMT transformers to meet the requirements of VDSL2 networks. The transformers support high transmission rates of up to 100 Mbps and offer a large 138 kHz to 17 MHz ...

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Very flat SMD power chokes
12 July 2006, Hi-Q Electronics
Wurth offers a new magnetically-shielded SMD power choke in its WE-PD series: type XS. These chokes have the smallest dimensions in the WE-PD group with a surface area of only 6 mm² and a height of 3,3 ...

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Low-profile high-current inductors
12 July 2006
Vishay Intertechnology is extending its IHLP family of low-profile, high-current inductors with new devices in the 2525-size footprint offering inductance values from 10 μH down to 0,56 μH. Claimed ...

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Wafer-level packaged BAW filters cut cellphone manufacturing costs
12 July 2006, Electrocomp
At the MTT International Microwave Symposium, Infineon Technologies announced the extension of its BAW (bulk acoustic wave) filter product portfolio for cellphones. The complementary pair of new duplexer ...

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Resonator replaces crystal oscillators
14 June 2006
For some years now, the only advantage the crystal oscillator (XO) had over the resonator was frequency stability. The XO is bigger, heavier and uses more power. Murata has been reducing that difference. ...

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Ultra-low profile wire-wound chip coil
31 May 2006
Murata has manufactured for commercial use a wire-wound type, ultra-low profile chip coil, claimed to be the lowest profile wire-wound type for DC-DC converter circuits in the industry. The LQH2MC series ...

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SAW resonator line-up improved
17 May 2006
Murata Manufacturing has strengthened its current line-up of SAW resonators, with the industry's smallest product (3 x 3 mm) being mass-produced for remote keyless entry (RKE) applications. Characterised ...

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Filters for microwave frequencies
17 May 2006, RF Design
Lorch Microwave offers a range of RF and microwave signal processing components and systems: The model 8WG-38910/R620-WR28 is a new waveguide filter with a centre frequency of 3 8910 MHz. Insertion loss ...

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Aluminium capacitors achieve maximum impedance at 100 kHz
17 May 2006
Vishay has released a family of surface-mount aluminium capacitors with very low impedance, high ripple current, long useful life, and solderability under lead (Pb)-free conditions. The new 150 CRZ capacitors ...

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Power capacitors for residential power factor correction
17 May 2006, Electrocomp
Epcos developed the HomeCap series of capacitors for power factor correction (PFC) in private residences. The ready-to-connect PFC capacitors are designed for single-phase power networks. The current ...

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First coupled inductors for step-down DC-DC voltage regulators
17 May 2006
Pulse has introduced the industry's first family of coupled inductors for non-isolated step-down DC-DC voltage regulators. These bring a faster transient response, lower ripple current per phase and increased ...

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X2/Y2 capacitors for mains
3 May 2006
Wima offers RFI capacitors with polypropylene dielectric in addition to the metallised paper series. The Wima MKP-X2 and Wima MKP-Y2 series are available with capacitance values from 1000 pF through ...

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SAW filters now in smaller ceramic packages
3 May 2006, Electrocomp
Epcos now offers SAW filters and two-port resonators as SMDs in ceramic packages on quartz substrate with a footprint of 3 x 3 mm. This represents a reduction in area of 40% against the previous package's ...

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Low ESR capacitors for next generation processor families
3 May 2006
AVX has increased its range of voltage offerings by developing both higher voltage and lower voltage, maximum capacitance and ultra low ESR capacitors that provide high ripple current rating. Designated ...

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Single-section coilformers
3 May 2006, Sivan Electronic Supplies
Norwe's ETD-Series lr coilformers series is a completely new design from the company, and is based on its existing ETD-series (ETD 19 to ETD 59). These coilformers feature a reduced weight and also a ...

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Off-the-shelf transformers for PoE applications said to be highly efficient
19 April 2006
Pulse is offering a series of high efficiency, small footprint, off- the-shelf power transformers for powered device side Power over Ethernet (PoE) products. They meet IEEE standard 802.3af and have ...

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Comparators and antenna feed assemblies
19 April 2006
UK-based Micro Metalsmiths is a leading comparator supplier and has many projects to its credit, ranging from S Band to Ka Band. The company is a leader in the field in waveguide components and assemblies ...

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New material for high-frequency circuit fabrication
19 April 2006, RF Design
Rogers introduced its new RO4450B-dx Bondply, a high fill/flow version of its RO4450B series high frequency circuit material, at this year's Del Mar Electronics Show. RO4450B Series circuit material ...

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Sample kit of ceramic capacitors
19 April 2006, Electrocomp
Epcos has put together a new sample kit containing ceramic capacitors of the MLSC, Advanced and High-CV series for automotive electronics designers (www.epcos.com/ceramic_capacitors). Made of ceramic ...

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Additions to coilformer range
19 April 2006, Sivan Electronic Supplies
Norwe has expanded its innovative range of EFD-SMD2 coilformers with new surface mount coilformers in low-profile. These coilformers are fitted with U-shaped terminals. The two sides of the terminal allow ...

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