Circuit & System Protection


Latest Articles

New family of tiny resettable fuses
19 September 2007
The new F-PSMF Series of multifuse polymer PTC resettable fuses from Bourns consists of 2012 size surface mount devices which are now Bourns' smallest resettable fuses and claimed to be the smallest PTCs ...

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Advanced new output filter for frequency converters
5 September 2007, Electrocomp
With its new SineFormer, Epcos is introducing a new output filter technology for frequency converters. In contrast to conventional filter topologies, the new SineFormer simultaneously converts the phase-to-phase ...

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Over-voltage protection regulator and inrush current limiter
8 August 2007
Linear Technology's LT4356 is an over-voltage protection regulator, with over-current protection and inrush current limiting for high availability systems. In applications where electronic systems must ...

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Compact EMC filters for medical applications
25 July 2007, Electrocomp
The new, compact 2-line filters of Epcos' SIFI-F (B84111F*M) series are now also available in medical versions. Not only do they offer all the advantages of the standard version, they also boast an extremely ...

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World's smallest BAW filter
25 July 2007
In the market for GSM capable products, modularisation of RF (radio frequency) components is continually progressing, not least of all filters. Currently, multipackage modules containing RF IC plus ...

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150 amp contactor for AC or DC
11 July 2007, Denver Technical Products
Gigavac has released its new multipurpose sealed contactor for switching from 12 to 750 volts AC or DC at 150 amps.    Important features of this new contactor are:    * Chassis level UL508 sized power ...

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Extended-temperature Gigabit discrete isolation transformer modules
11 July 2007
Pulse has introduced a dual-port and the first quad-port extended-temperature gigabit discrete isolation transformer modules. With an operating temperature range of -40 to 85°C, these modules are well-suited ...

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AC and DC feedthrough EMC filter for up to 300 A
11 July 2007
Spectrum Control has developed a comprehensive range of AC and DC feedthrough EMC filters achieving performance from 150 kHz to 10 GHz. Circuit styles of Pi and C are included in the series which offers ...

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Regulators offer improved system reliability
27 June 2007, Altron Arrow
According to Intersil, the ISL6422B and ISL6423B LNB (low noise block) supply and control voltage regulators, optimised for satellite set-top boxes, are the industry's first to use an I²C interface to ...

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New protection diode with ultra low capacitance
13 June 2007, Altron Arrow, EBV Electrolink
The new VCUT0714A-02Z BiAs (bidirectional asymmetrical), single-line ESD protection diode from Vishay offers extremely low capacitance in the very small SOD923 package. With a compact 0,6 mm x 1 mm footprint ...

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Varistors with higher surge current capability
2 May 2007, Electrocomp, Integrated Solutions, AI & Data Analytics
EPCOS has developed the new LS41 and LS42 series of varistors with higher surge current capability. They are designed for surge voltage protection in industrial and consumer electronics. Both series have ...

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8-diode ESD protection array is ultra-compact
2 May 2007, Altron Arrow
Vishay has released what it claims is the industry's first ESD protection array to integrate eight diodes in the very small, leadless LLP1713 package. With an extremely low profile of 0,55 mm, the VESD05A8A-HNH ...

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Lowest power temperature sensor
2 May 2007
STMicroelectronics is offering a temperature sensor it claims has the lowest power consumption of similar devices on the market. The ultra low current STLM20 analog temperature sensor is available in ...

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Permanent-magnet AC contactors
4 April 2007
The ACR1 series permanent-magnet AC contactor is developed and manufactured by Andeli. This series of contactor is not only fairly quiet, but also designed to save energy. The ACR1 series is suitable ...

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Ultra-large-bandwidth ESD protection for HDMI connections
21 March 2007, Altron Arrow
STMicroelectronics has enlarged its portfolio of ultra-low-capacitance protection ICs for the high-definition video market. The new device allows a high definition multimedia interface (HDMI), to operate ...

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Automatic backup and archiving system
21 March 2007, Sivan Electronic Supplies
Ceiborg Data Storage has introduced what it says is a low cost solution for huge data storage on standard disks, that will never be altered by viruses or electric failures. This powerful backup and ...

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Isolation transformer modules smaller by half
21 March 2007
Pulse has introduced what it claims to be the industry's smallest gigabit quad and dual port discrete isolation transformer modules. 50% smaller than currently available modules, PCB designers can fit ...

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Dedicated ESD protection in tiny package for USB 2.0
21 March 2007
STMicroelectronics has introduced a low capacitance ESD protection device - available in a tiny SOT-666 package as well as in the SOT-23 - which protects the two data lines and the power rail of a USB ...

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Resettable Zener/PPTC assemblies offer multistage protection
21 March 2007, Altron Arrow
Raychem's PolyZen is a polymer-enhanced, precision Zener diode micro-assembly. This device is designed to meet the growing need for over-current and over-voltage protection on portable equipment that ...

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10 Gb Ethernet connector modules feature enhanced EMI performance
21 March 2007
Pulse’s new line of 10-gigabit (10 Gb) small-form-factor pluggable (XFP) modules offer enhanced EMI protection for 10 Gb Ethernet applications. They have a cage and connector that comply with the Multisource ...

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