Circuit & System Protection


Latest Articles

High-speed digital isolators
27 February 2002
IsoLoop is the trademark name for NVE's family of isolation products. IsoLoop devices are created with giant magnetoresistive materials or GMR. When magnetic thin film layers separated by nonmagnetic ...

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Composite sealing gaskets for enclosures
27 February 2002
Laird Technologies' composite EcE/sponge profile gaskets are comprised of an electrically conductive elastomer bonded to a nonconductive silicone sponge. This gasket provides a cost-effective method for ...

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Cellular band quarter-wave arrestors
13 February 2002, Accutronics
Low-cost lightning protection is now available in Narda's coaxial T-junction that provides quarter-wave, short-circuit-to-ground for the branches. Model N53GK50700 rejects any signal outside the full ...

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Multilayer varistor in smaller 0603 size
7 November 2001, Electrocomp
BCcomponents has extended its range of varistors with the launch of the new smaller 0603 size multilayer varistor (MLV). This MLV is designed for surge suppression applications and electrostatic discharge ...

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Surge arrestors for surface mounting
7 November 2001, Electrocomp
Overvoltages are the greatest threat to sensitive electronic circuitry in telecom and datacom equipment. They can be caused by atmospheric discharges (lightning), inductive coupling from power lines, ...

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ESD protection for VGA circuits
7 November 2001, MB Silicon Systems
California Micro Devices' PAC VGA105, a new video graphics adapter (VGA) port protector, incorporates seven channels of electrostatic discharge (ESD) protection for signal lines commonly found in a VGA ...

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EMC filters get UL and CSA approval
10 October 2001, Electrocomp
The following Epcos filters are used in frequency converters and other power electronics applications. EMC filters of series B84143-B**-S20 (for 150 to 600 A, 480 V), B84143-B**-S21 (150 to 600 A, 760 ...

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Power supply units
10 October 2001, Sivan Electronic Supplies
Cosel's new ACE series power supplies have a flexible modular system architecture and provide various output configurations. With a universal input (85-264 V a.c.) they also include a harmonic attenuator ...

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Low profile hook-on EMI gaskets
10 October 2001
Laird Technologies' line of low profile beryllium copper shielding fingerstocks has simple installation accomplished by hooking one end of the gasket onto the edge of the housing. The other end is secure ...

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Lightning protectors for wireless local loop
12 September 2001
Two new lightning protectors for wireless local loop micro filter protection have been introduced by Webb Industries. The new PolyPhaser Micro LSX is for the 5,8 GHz ISM band and the new Micro PSX is ...

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Gas discharge tubes
12 September 2001
Gas discharge tube (GDT) products protect both human and property from lightning and transient voltage disturbances. GDTs have high surge currents and low capacitance ratings. Current ratings can be as ...

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Modular LV surge protection systems for AC installations
12 September 2001
Since installation requires a unique protection solution, a user needs to be able to choose from a number of solutions in each case. Surge protection specialist Citel has developed the modular DS range ...

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Card cage shielding
12 September 2001
Laird Technologies offers three unique products designed to shield the front panels of card cages. These three products accommodate the IEEE standard 1101.10, commonly referred to as Dot-10. This front ...

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ESD (electrostatic discharge) and ESD protection
12 September 2001, MB Silicon Systems
Everyone has encountered electrostatic discharge (ESD) after walking across a room with a woollen carpet and touching a metal doorknob. The experiment with cat fur and a resin rod is also a good demonstration ...

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High current base-mount filters
12 September 2001
Recently added to Bulgin's filter range is an extensive selection of base-mounting types. These high current filters are designed largely for industrial applications, with current handling capabilities ...

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Self-resetting TVS devices feature negligible capacitance and offer accurate protection
12 September 2001
Designed to handle surge currents as high as 3000 A, Teccor Electronics has introduced its complete line of TVS components. Designated the SIDACtor Series these TVS suppressors utilise patented ion implant ...

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Termination and filtering solution for keyboard/mouse port
15 August 2001, MB Silicon Systems
California Micro Devices' PACTMKBME, is a keyboard or mouse filter for use in computers. Using the company's patented P/Active technology, the device provides EMI/RFI filtering, termination and ESD protection ...

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Bourns introduces gas discharge tube product line
1 August 2001, Electrocomp
Bourns has announced the launch of its gas discharge tube (GDT) product line. Bourns obtained the GDT product line through the acquisition of the Communication Protection Product lines from Joslyn's JESC ...

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Low height 100 A dual surge protectors
1 August 2001, Altron Arrow
Power Innovations' high current telecom surge protector, the TISP3xxxH3SL, provides guaranteed 200 A 10/700 and 100 A 10/1000 overvoltage protection in the lowest height through-hole package currently ...

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Micro-miniature axial fuses
29 August 2001
Newly appointed and future new distributors for British-based Camden Electronics now have the opportunity to offer their electronics industry customers a new range of very fast-acting micro-miniature ...

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