Circuit & System Protection


Latest Articles

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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Smallest fuse for secondary overcurrent protection
21 March 2007, Retron
Schurter says that its new electronic chip fuse, the USF 0402, offers a very quick-acting characteristic with rated current values up to 5 A. The low voltage drop generates less heat dissipation than ...

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1 pF barrier broken for DVI and HDMI interface ESD protection
7 March 2007
STMicroelectronics has introduced a new device that it says allows, for the first time, high-speed interfaces such as DVI (digital visual interface), HDMI (high definition multimedia interface), USB 2.0, ...

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High current noise suppressors
7 March 2007, Products & Solutions
Optimised performance of products working in the 1,0 MHz to 1,0 GHz range can be achieved by using Murata's BNX022 LC filters, which minimise EMI without significantly attenuating the signals. The new ...

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Chip-cap filtered D-sub connectors
7 March 2007
Spectrum Control’s new Series 100 Chip-Cap filtered connector is designed as a low-cost filtering method for the elimination of electromagnetic interference (EMI). These connectors incorporate chip ...

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Protection solutions surge ahead
21 February 2007
Webb Industries′ PolyPhaser product platform, which addresses, amongst others, the performance requirements for shelter-based, broadband wireless and wireless LAN installations, has proven to be a winner ...

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New devices help protect DC power ports and downstream electronics
21 February 2007, Altron Arrow
Raychem Circuit Protection has introduced its PolyZen polymer enhanced, precision Zener diode micro-assembly. Designed to meet the growing need for overcurrent and overvoltage protection on portable equipment ...

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ESD flooring to protect your manufacturing facilities
21 February 2007, Actum
Electrostatic discharge is a problem that electronic manufacturers should not ignore. The sudden discharge of what was once a static charge can destroy or degrade highly sensitive and expensive microcircuits. ...

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Temperature sensor for memory modules
7 February 2007, CST Electronics, Electrocomp
Maxim has introduced a small and low-cost temperature sensor designed for thermal monitoring in DDR memory modules. The MAX6604 device accurately measures temperature (±1°C), converts the temperature ...

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Noise filters for power lines
7 February 2007, Sivan Electronic Supplies
Cosel offers high-voltage, high-attenuation type noise filters. The leakage current is selectable, and the push-down style terminal block prevents screw drop-out and cover loss. The NAP seriesare DIN ...

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Surge voltage protection with a thermo-fuse
7 February 2007, Electrocomp
Epcos has developed new combined components of the ETFV (EPCOS ThermoFuse varistor) series to protect domestic appliances and switched-mode power supplies from surge voltages. They consist of a disk varistor ...

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