Circuit & System Protection


Latest Articles

Single-chip termination and filtering solution for USB port
18 July 2001, MB Silicon Systems
California Micro Devices offers the PACUSB-U1/U2/U3, a USB (universal serial bus) termination and filtering product, for use in PDAs, two-way pagers, and Internet appliances. It is available in a 6-pin ...

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Balanced SMT protective device
23 May 2001
The new balanced protector from Teccor Electronics is designed to offer customers a surface mount alternative to its traditional modified TO-220 package. Based on a 6-pin SOIC package, Teccor's balanced ...

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Fuses with BS approval
9 May 2001, Actum Electronics
ELU has announced that its time-lag fuse-links to IEC 60127-2/3 (low breaking capacity) as well as to IEC 60127-2/5 (high breaking capacity) are now approved by British Standards Institution. The BSI ...

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Surge protectors for use with Ericsson SLICs
9 May 2001, Altron Arrow
Power Innovations' TISPPBL programmable telecom surge protectors provide an assured route to international standards compliance for designers using Ericsson PBL3xxx series SLICs, backed by the endorsement ...

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10BaseT/100BaseT surge protectors
25 April 2001
Citel offers a product line designed to protect data-processing equipment from voltage surges carried on twisted pairs by a 10 or 100 Mbps Ethernet network (10BaseT or 100BaseT). These protectors have ...

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2-pair plug-in surge protector for power supply
25 April 2001
The E280A and E280AV modules from Citel are designed to protect the power supplies or remote power supplies of equipment that is sensitive or might be disrupted by transient overvoltages. E280A modules ...

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Chip scale packaged EMI/RFI filter arrays
25 April 2001, MB Silicon Systems
California Micro Devices is offering three new filter network devices: WLP200, CSPRC030, and CSPRC032. The WLP200 is an evaluation RC filter network ideally suited for mobile equipment such as cellular ...

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ZnO varistor range
25 April 2001
A metal oxide varistor is a voltage dependent, symmetrical, nonlinear resistor whose resistance decreases with the increase in voltage. Varistor resistance is a nonlinear inverse function of the applied ...

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Increased interference suppression with screen terminal blocks
25 April 2001, Phoenix Contact
Phoenix Contact offers screen terminal blocks that effectively prevent electromagnetic interference with the high contact quality of the screen interface. They are characterised by reliable, large-area ...

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Surge protector boxes for AC
25 April 2001
Citel offers a full line of single-phase surge protection boxes. These units are designed to protect a single-phase input and are recommended for mounting on a board or in a utility box. A suitable product ...

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Gas tube coaxial surge protector
25 April 2001
The P8AX surge protector series from Citel uses gas discharge tubes and is intended for the protection of 50 W coaxial antenna lines. Available with N, BNC, TNC and 7116 connections, P8AX surge protectors ...

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Overvoltage arrester with thermal disconnect
25 April 2001
The VTC is a protection varistor module for mounting on printed circuit boards as independent protection units. The transparent casing provides visual checking of reliable operation. Should the contact ...

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Card handle shielding
25 April 2001
Instrument Specialties-APM 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 ...

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Absolute surge protection
25 April 2001
Sidactors are solid-state crowbar devices designed to protect telecom equipment during hazardous transient conditions. Capitalising on the latest in thyristor advancements, Teccor designs its Sidactors ...

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SMT fuse eliminates need for power resistors and PTCs
25 April 2001
Teccor Electronics has introduced the TeleLink surface mount fuse specifically for use with telecommunications equipment. Designed to be used in conjunction with the SIDACtor transient voltage suppressor ...

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Multiport line protector
25 April 2001
A new multiport line protector designed to offer customers a monolithic solution for protecting multiple twisted pairs from overvoltage conditions is offered by Teccor. Based on a 6-pin SOIC package, ...

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Metal oxide varistors
25 April 2001, Electrocomp
Varistors are voltage-dependent ceramic resistors (VDRs) that reliably protect electronic systems against overvoltages by limiting surge voltages or currents and by absorbing the energy. The Epcos SIOV ...

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Locally manufactured surge arresters
25 April 2001, Surge Technology
The locally manufactured DEHNguard-T lightning surge arresters from Surge Technology are DIN-rail mounted and can withstand surge currents of up to 40 kA. The pluggable units consist of a base section ...

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'Safe 'n sure' fuses
25 April 2001, Actum Electronics
In its modern factory, using sophisticated and especially developed precision equipment, ELU produces fuses and fuseholders which conform to various DIN-Semko-VDE-UL and CSA specifications. ELU components ...

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Multifuse product line continues to grow
11 April 2001, Electrocomp
Bourns, a leading manufacturer of passive components, recently expanded its Multifuse product line. The new products were launched at electronica 2000:       Miniature fast-reacting SMT PPTCs The MF-USMD ...

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