wts // electronic - News

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Knowles, Brand Syfer

Some say the 1806 3 terminal ‘C’ filter is obsolescent, but not Knowles Precision Devices

“The rate of component obsolescence has increased over the last 15 years”, says Steve Hopwood, Senior Application Engineer at Knowles Precision Devices (KPD). “Component manufacturers are discontinuing more part numbers per year for a variety of reasons, including manufacturing changes, changes in die dimensions and other technology changes.” mehr ...

Veröffentlicht am 24.07.2018

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Knowles, Brand Syfer

SYFER branded EMI Filters for Hi-Rel Applications from Knowles Precision Devices

Manufacturers of electronic equipment for Hi-Rel applications often struggle to meet stringent EMC and safety standards. Knowles Precision Devices (KPD) has a range of EMI components, under the SYFER brand, that particularly appeal to designers in the medical implantable and space sectors as well as industrial, automotive, aerospace and telecom applications. mehr ...

Veröffentlicht am 22.02.2018

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Knowles, Brand Syfer

Knowles Capacitors launch 500Vac rated Surge & Safety MLCCs from Syfer

Developed at the specific request of industrial electronics customers, Knowles brand Syfer can now offer MLCC’s, for nonsafety critical applications, up to 500Vac, 50/60Hz continuous. mehr ...

Veröffentlicht am 04.12.2017

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Knowles, Brand Syfer

Valuable extension to ‘HiT’, high temperature MLCC, range by Knowles Capacitors

One year on from the initial launch of a new range of high temperature MLC chip capacitors, Knowles capacitor brands Novacap and Syfer Technology have jointly announced a significant extension to the product offering. As with the initial launch, this announcement coincided with another IMAPS event – the HiTEN 2017 symposium in Cambridge UK. mehr ...

Veröffentlicht am 21.08.2017

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Knowles, Brand Syfer

Multilayer Ceramic Capacitors in Automotive

Modern EV's, HEV's and PHEV's are sparking a revolution in the capacitor technology used in the control electronics. Higher temperatures inside the control circuits mean that conventional plastic film capacitors are no longer suitable for all applications and ceramics MLCC's are now being increasingly used, with the added benefits that MLCC's are generally surface mount direct to boards, yielding greater efficiency of assembly and allowing shorter circuit tracks with lower inductance. In many cases this last point allows lower capacitance values to be used, meaning that smaller components or less components can be used. mehr ...

Veröffentlicht am 23.05.2017

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Knowles, Brand Syfer

Knowles X8R MLCCs go non-mag with new dielectric formulation

Knowles Capacitors is pleased to announce that their ongoing material development process has qualified an X8R dielectric material to be Lead (Pb) free. This is part of Knowles environmental commitment to continuously develop materials that are more environmentally friendly, as well as ensuring continued compliance to the existing requirements along with potential future changes to the EU RoHS directive. mehr ...

Veröffentlicht am 09.03.2017

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Knowles, Brand Syfer

Knowles (Brand Syfer) stellt neue Serien vor

Passive elektronische Komponenten stehen aktiven Bauelementen in der Entwicklung in nichts nach. Der Kondensatorhersteller Knowles gehört bei der Entwicklung zu den Spitzenreitern. Die beiden aktuellen Entwicklungsschwerpunkte sind Elektrofahrzeuge und die kommende Evolution auf 5G - beide im Fokus von Knowles. mehr ...

Veröffentlicht am 08.03.2017

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Knowles, Brand Syfer

Knowles Capacitors new ‘H’ series MLCCs are Ultra High Q for high temperature, high frequency applications

Knowles Capacitors brand, Syfer, has just released a new addition to its range of High-Q MLCCs. Designated as the “H” series they are manufactured from a very stable, X8G High Q ceramic dielectric to provide Ultra-low ESR, with excellent low loss performance and low power consumption, in high environmental temperature and high frequency systems. They exhibit no ageing effects, with stability under voltage and very low drift. mehr ...

Veröffentlicht am 28.07.2016

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Knowles, Brand Syfer

Bessere MRT-Scans mit nicht-magnetischen MLC-Kondensatoren

Für den Einsatz in medizinischen Geräten stellt Knowles / Brand SYFER zwei innovative Baureihen, bedrahtet und SMD, nicht-magnetischer Hochspannungskondensatoren vor.

Bei scannenden Geräten, wie MRT-Systemen, geht der Trend zu stärkeren Magnetfeldern, um immer höher aufgelöste Bilder liefern zu können. Infolge dessen gewinnt die Verwendung von nichtmagnetischen Bauteilen in solchen Geräten an Bedeutung. Selbst geringe magnetische Bauelemente könnten die Bildqualität entscheidend beeinträchtigen.
mehr ...

Veröffentlicht am 04.05.2016

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Knowles, Brand Syfer

Keramische X7R-Vielschichtkondensatoren mit hoher Restkapazität

Die Kondensatoren der Baureihe VC1 von Syfer Technology, einer Marke von Knowles Capacitors, zeigen eine definierte Kapazitätsänderung in Abhängigkeit von der anliegenden Spannung. Diese keramischen X7R-Vielschichtkondensatoren mit hoher Restkapazität sind darauf ausgelegt, von ihrem Kapazitätswert bei 1 V(eff) und 1 kHz um nicht mehr als 50% abzufallen – bis zur vollen Nenngleichspannung bei Raumtemperatur. mehr ...

Veröffentlicht am 08.02.2016

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Knowles, Brand Syfer

Web based CapCad™ capacitor modelling software

Syfer's web based CapCad™ capacitor modelling software has been developed to provide customers with an easy to use and readily accessible comparison tool for choosing the best Multilayer Capacitors to suit the customer's needs. mehr ...

Veröffentlicht am 21.12.2015

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Knowles, Brand Syfer

Syfer extends AEC-Q200 qualified devices

Knowles capacitor brand Syfer Technology has improved its offering of AEC-Q200 qualified devices in order to meet increasing demands from the automotive market by extending its ranges of Multilayer Ceramic Capacitors (MLCC’s) and EMI filter products.
An important characteristic in automotive applications tends to be package size. Starting with the miniature 0603 size, and going up to a 3640 footprint, MLCC's in C0G and X7R dielectrics will now be offered in capacitances ranging from 100pF to 4.7µF, with operating voltages from 50V to 3kVdc. mehr ...

Veröffentlicht am 29.07.2016

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Knowles, Brand Syfer

Non-Magnetic Ribbon Leaded Capacitors

Syfer has developed a range of non-magnetic ribbon leaded capacitors, which facilitates assembly directly onto coils. Available in 2225 and 4040 sizes, working voltages range from 200V to 7kV, with maximum capacitance values up to 10nF. mehr ...

Veröffentlicht am 24.02.2016

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Knowles, Brand Syfer

Bend it, shape it, don’t break it.

FlexiCap™ polymer termination. Multilayer ceramic chip capacitors are renowned for their reliability but can be vulnerable to cracks when affected by PCB flexing. The resulting damage may not manifest itself immediately, but may ultimately result in field failure. mehr ...

Veröffentlicht am 02.06.2016

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Knowles, Brand Syfer

StackiCap! Hohe Spannung, kleine Bauform, hohe Kapazität.

Knowles, Brand Syfer, der innovative Hersteller für Chipkondensatoren aus England, stellt mit der Familie StackiCap neue Hochspannungs-X7R- Vielschicht-Chipkondensatoren vor. mehr ...

Veröffentlicht am 08.09.2016

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Knowles, Brand Syfer

KNOWLES: Radiale Hochspannungs-Kondensatoren mit hohen Kapazitäten

Standard Radial Leaded Capacitors by Knowles, Brand Syfer:

Knowles, Brand Syfer produces a wide range of dipped radial capacitors. These are available in rated voltages of 50V up to 12kV. COG/NP0 X7R and X8R dielectrics. The larger case sizes and high voltage versions are particularly in demand, especially for mil/aero and medical power supply applications.

High Temp Radial Leaded Capacitors by Knowles, Brand Novacap:

A range of High Temp Radial Leaded Capacitors availabe in sizes 1515 to 7565 designed to operate from -55°C to 200°C in COG/NP0 and Class II dielectrics with voltage ratings of 25V to 4kV.

mehr ...

Veröffentlicht am 08.09.2016

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