Circuit & System Protection


Latest Articles

World's densest solid-state coupler
30 June 2004, Products & Solutions
NVE has introduced a high-speed five-channel spintronic coupler. Using NVE's patented spintronic giant magnetoresistors (GMR) combined with CMOS circuitry, IsoLoop couplers in 3,8 mm by 10,2 mm 16-pin ...

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High-current fuseholder for board-mounting
16 June 2004, Retron, Products & Solutions
Schurter has developed a new PCB-mounting fuseholder approved for currents up to 16 A (VDE) or 20 A (UL). The FUP fuseholder has a 4 W power rating at 16 A and an ambient temperature of 23°C. The FUP ...

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Circuit protection avalanche diode line provides high power
2 June 2004, Altron Arrow, Access Control & Identity Management
Littelfuse offers an extensive line of transient voltage suppression (TVS) diodes designed to suppress over-voltage transients induced by EFT, inductive load switching and lightning for use in automotive, ...

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Filter series extended
2 June 2004, Electrocomp
EPCOS is widening its range of EMC filters. The tried and tested SIFI family has now been joined by the new SIFI-G types, which make up a cost optimised modular line of six series altogether. The enlarged ...

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Innovative bus-bar ferrite noise suppression products
19 May 2004, News
In industry, there are increasing needs to both improve performance and speed of electronic systems, as well as cut assembly costs. The requirements are doubly important for power transmission, IGBT ...

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Spike-suppression mains filters
5 May 2004, Electrocomp
Supprescraft spike-suppression filters are designed to protect sophisticated electronic and electrical equipment from the spikes and surges of current and voltage overloads and from noise, from the AC ...

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Reliable and safe - protection components: Part V
5 May 2004, Electrocomp
In this, the final article in the series on protection components, we note that Epcos offers not only the world's largest selection of EMC components, but also a full range of EMC services, including ...

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Power entry module with line filter rated to 3,5 kW
5 May 2004, Retron
The increasing requirements for power supplies of electronic systems require higher power density, better response and better performance. The C20F from Schurter is an IEC 320/C20 power entry module with ...

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High capacity GDT surge suppressors
21 April 2004, Altron Arrow
Littelfuse has introduced a proprietary family of gas plasma overvoltage protectors that it says provide significantly improved performance over traditional gas discharge tubes (GDT). Designed for use ...

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Reliable and safe - protection components: Part IV
21 April 2004, Electrocomp
In Part III we saw that PTC thermistors protect against overcurrent and excessive temperatures. In Part IV of this series from Epcos, one of the few varistor suppliers worldwide to offer the complete ...

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Better filtering in less space
21 April 2004
Better EMI filtering in less space is claimed to be possible with new arrays of Murata common mode choke coils. Two high impedance filters in an EIA 1206 package, only 1,15 mm high, are achieved by thin-film ...

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ESD protection diodes for high speed applications
7 April 2004
Royal Philips Electronics' new series of electro static discharge (ESD) protection diodes have a very low diode capacitance, ultra low leakage current and reverse stand voltages of 3,3 V and 5,0 V - all ...

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Reliable and safe - protection components: Part III
7 April 2004, Electrocomp
Epcos, a world leader in passive components, is one company that has years of experience, competence and innovation in developing and designing protective components such as gas-filled surge arresters, ...

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Smaller safety capacitors
7 April 2004, Information Security
Murata's revision of safety recognised leaded capacitors reduces the number of different types needed, increases mounting density and introduces what it says is the world's smallest class Y1 capacitors. Values ...

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Surge protection for terrestrial, cable and satellite signals
7 April 2004, Phoenix Contact
To provide suitable surge voltage protection for the wide range of end devices and installation possibilities used in consumer electronics, Phoenix Contact has expanded its adapter connector and socket ...

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Metal oxide varistors
7 April 2004, Electrocomp
Supprescraft has specifically developed metal oxide varistors to meet the requirements of TRMSCAAP 2 Rev 2:1994 'Specification for indoor arresters for protection of electricity dispensers'. These varistors ...

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Telecom Circuit Protection Selection Guide
7 April 2004, Technical Literature
Bourns guide is divided into three sections encompassing multifuse resettable fuses, TISP thyristor surge protectors, gas discharge tubes, surge line protection modules and Telefuse Telecom fuse product ...

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Four EMI filters on one chip
24 March 2004
EMI filtering of general and high speed signal lines is now easy says Murata, with its BLA2AA range of four element arrays of ferrite bead inductors that are 2 mm by 1 mm and only 0,5 mm high. Impedance ...

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'Brute force' panel protection
24 March 2004
Where brute force protection is required, Citel says that its economical M160 Series AC surge protector can be used. This low profile device provides protection for all critical modes and is housed in ...

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Resettable PTC protectors now smaller
24 March 2004, Altron Arrow
Littelfuse's new series of surface mount positive temperature coefficient (PTC) resettable circuit protection devices, the 1206 Series, is one-third the size of the 1812L series, previously its smallest ...

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