Circuit & System Protection


Latest Articles

4-line bus port protection array
29 October 2008, EBV Electrolink
Vishay has released a compact new 4-line ESD-protection array designed to provide a low capacitance with a high surge current for the protection of dual high-speed USB ports, or up to four other high-frequency ...

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Circuit protection using PTC resettable fuses
29 October 2008
It is frequently necessary to separate a part of a circuit from the power source while maintaining the integrity of the remaining circuit in a working status. In instances where a part of a system could ...

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Zero-sequence harmonic filter
29 October 2008
APC has extended its range of equipment to improve power quality with the introduction of MGE CleanWave, a filter which reduces zero-sequence harmonics in the neutral line. Increased non-linear loads ...

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Netshield SA moves beyond conventional surge protection
29 October 2008
Electronic research and development house, Netshield SA, has released a new third-generation managed and isolated surge protection system (SPS) that replaces mechanical circuit breakers and incorporates ...

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DC front-end filter for military use
29 October 2008
Vicor has introduced a new DC front-end module that provides EMI filtering and transient protection. The M-FIAM9 (Military Filter Input Attenuator Module) enables designers using Vicor’s Maxi, Mini, ...

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Single-chip system monitor
15 October 2008
IDT has introduced a single-chip solution for system monitoring solutions in the industrial and computing markets, capable of monitoring multiple computing processes simultaneously. The 9WDV3501 is designed ...

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Thermal and EMI shielding boost design reliability
1 October 2008, Actum Electronics
Advances in the miniaturisation of electronic components has intensified the need for manufacturers to solve multiple problems simultaneously and earlier in the design process. Solving the issues quickly ...

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Digital isolators for data and power
17 September 2008
Analog Devices is expanding its family of digital isolation products with a series of four-channel devices that isolate both data and power. Each device integrates the company’s iCoupler digital isolation ...

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Digital temperature sensor
3 September 2008, CST Electronics
Maxim has introduced a highly accurate digital temperature sensor and thermostat with non-volatile EEPROM memory. The integration of non-volatile EEPROM enables the DS7505 to power-up with a user-defined ...

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Over-voltage protection for USB charging
6 August 2008
ON Semiconductor has introduced the NCP361 – an integrated over-voltage protector dedicated to USB charging applications for portable and consumer devices, such as cellphones and MP3 players, set-top ...

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Intelligent 19-inch fan trays
6 August 2008, Vepac Electronics
Verotec has extended its range of 19-inch 1U standard fan trays. Two depths are available, a 250 mm deep unit fitted with three fans and a 350 mm deep unit with six fans. All sizes are offered with a ...

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Dry packaging bags
23 July 2008, Altico Static Control Solutions
Surface mount technology has created devices which are increasingly sensitive to the damaging effects of moisture, corrosion and ESD. Actum Electronics' ESD product division, Altico, supplies a range ...

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EMI filters now with metric threads
9 July 2008, Electronic Industry Supplies
Spectrum Control has introduced a new series of feed-through filters with metric thread sizes. This new range of EMI filters offers M3 x 0,5 thread sizes with feed-through capacitors and M4 x 0,7 versions ...

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Broadband SAW filter for cable modems
9 July 2008, Electrocomp
Epcos has introduced the B1642 SAW filter for broadband TV and Internet access via cable modems. It has been developed specifically for the new international DOCSIS 3.0 standard (Data Over Cable Service ...

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ESD protection for USB 2.0
9 July 2008
STMicroelectronics has met the complete ESD (electro-static discharge) protection requirements for High-Speed USB, including Vbus, in a QFN-6 device measuring 1,0 x 1,45 x 0,65 mm. With 0,85 pF maximum ...

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EMC filters offer high attenuation
9 July 2008, Electrocomp
Epcos has extended its 3-line EMC filters with a high-performance series for frequency converters. It is distinguished by outstanding attenuation properties that offer advantages especially with long ...

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Chip ceramic thermistors protect power supplies
9 July 2008
The latest addition to Murata’s PRF family of chip ceramic thermistors is the PRF18xx5RB series, designed for overheat detection of power FETs in point of load (POL) DC-DC converters and other power supply ...

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EMC power line chokes for high currents
9 July 2008, Electrocomp
Epcos has extended its range of EMC power chokes with new types designed for high currents. Its double power line chokes now attain current capabilities of up to 54 A. The new B82725S* and B82726S* series ...

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Sub-1 pF multilayer varistor
9 July 2008, Altron Arrow
AVX has expanded its AntennaGuard series of low capacitance multilayer varistors (MLVs) to include a sub-1 pF version. Designed to provide a one chip solution for protecting high speed digital interfaces, ...

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Low profile EMI filters
11 June 2008
Vishay has released six new four-, six-, and eight-channel EMI filters in ultra-compact LLPXX13 leadless packages. With a low profile of 0,6 mm, the new VEMI filter series is designed to save board ...

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