Circuit protection devices
(a sub category of Passive components)
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Circuit protection devices
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Latest articles from 'Circuit protection devices'
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Showing 351-375 of 553 articles
Diodes protect against ESD and surges
Toshiba has expanded its family of diode protection devices with new 5.6 and 6.2V parts that integrate multiple Zener diodes into ultraminiature packaging.
News from Toshiba Electronics Europe, Jan 27, 2004
Thermal circuit breakers fit standard cutouts
Featuring a compact, trip-free, rocker-actuated design, W51 thermal circuit breakers are available in 5 to 20A ratings.
News from Tyco Electronics UK, Jan 21, 2004
SMD isolators suit Tetra handsets
A range of SMD isolators is the first in a projected series of new microwave components for the growing European digital personal mobile radio market.
News from Temex, Jan 16, 2004
Smaller suppressor provides big protection
Transtector Systems has expanded its I2R Series of suppressors with the addition of the new silicon "Storm" model, designed for confined space and DIN mount applications.
News from Smiths Interconnect - Transtector Systems, Jan 12, 2004
Protection for broadband wireless and satellite
The MDS+24-F-F lightning protector is designed for broadband wireless and satellite applications from 300MHz to 2.5GHz.
News from Smiths Interconnect - Polyphaser, Jan 9, 2004
Terminator suppresses transients from earth
The Ground Transient Terminator is the world's first UL approved filtering device to safely install in series with the ground line of electronic equipment to completely eliminate ground transients.
News from 9 Corporation, Jan 8, 2004
Resettable fuses aim for telecomms protection
HVR250 series PPTC fuses are optimised to provide overvoltage and overcurrent protection for telecomms and networking equipment.
News from Littelfuse UK, Jan 7, 2004
Overvoltage protector withstands bigger surges
The NCP346 is a novel overvoltage protection circuit optimised for applications with an external AC/DC adapter, a car charger accessory and/or a battery recharger.
News from ON Semiconductor, Dec 12, 2003
ESD protection diodes cut size and capacitance
A new series of ESD protection diodes can protect consumer and communications applications from electrostatic discharge and other voltage induced transient pulses.
News from Philips Semiconductors, Dec 11, 2003
Power controller is switch and breaker combined
A novel remote power controller combines the capability of an electronic switching relay with self-limiting and overcurrent protection similar to that of a high quality circuit breaker.
News from E-T-A Circuit Breakers, Dec 8, 2003
Small outline for triac driver optocouplers
Nine new random-phase triac driver optocouplers in 4-pin, mini-flat packages provide designers flexibility and space-saving benefits in industrial and consumer applications.
News from Fairchild Semiconductor, Dec 1, 2003
Chip fuses shrink to 0402 size
A new range of chip fuses includes the smallest devices of their type.
News from Littelfuse UK, Nov 14, 2003
Thermal fuses cut out lead and cadmium
In response to pending European regulations on hazardous substances, Microtherm now offers an eco-friendly thermal fuse with more temperature ranges and more rated currents.
News from Microtherm, Nov 5, 2003
Thermal circuit breakers cut costs
Based on a new economical design, the W54 and W57 series thermal push-to-reset-only thermal circuit breakers provide a cost-effective solution.
News from Tyco Electronics UK, Nov 5, 2003
Polished performance from space-saving fuses
Applications of Wickmann's popular space-saving TR5 and TE5 ranges of subminiature fuses have been broadened by the introduction of series with enhanced performance.
News from Littelfuse UK, Nov 4, 2003
Compact chip varistors replace TVS diodes
The LVS series is metal oxide base chip varistor for transient voltage suppression.
News from Rhopoint Components, Oct 27, 2003
Space-saving optocouplers reject noise
The FODM452 and the FODM453 are the first in a new family of high-speed transistor optocouplers providing the highest common mode noise rejection available, as well as the lowest package profile.
News from Fairchild Semiconductor, Oct 24, 2003
Magnetic isolators overcome opto limitations
A range of high-speed IsoLoop magnetic isolators is now available from stock from Rhopoint Components.
News from Rhopoint Components, Oct 17, 2003
Multilayer chip varistor protects portable devices
TDK has begun volume production of the industry's first 0201 type multilayer chip varistor.
News from TDK Electronics Europe, Oct 14, 2003
Diodes provide fast-acting two-way protection
The CeraDiode uses innovative multilayer varistor technology to provide bidirectional protection in one component, replacing a dual transient voltage surge or zener diode array.
News from Epcos, Oct 10, 2003
Optocouplers cut power consumption
Fairchild Semiconductor has expanded its family of split Darlington optocouplers with five new products in both single and dual-channel configurations offering 3.3 or 5V operation.
News from Fairchild Semiconductor, Oct 9, 2003
High-speed couplers suit 10Mbit/s systems
Two new high-speed optocouplers from NEC are designed for use in systems running at up to 10Mbit/s.
News from Sunrise Electronics, Oct 9, 2003
Breakers certified for avionics applications
The corporate quality management system of E-T-A's group headquarters has been accredited to EN9100:2000/AS9100:2001 which address the requirements of the aircraft industry.
News from E-T-A Circuit Breakers, Oct 8, 2003
Protectors survive lightning and nuclear pulses
An extensive range of LEMP (lightning) and NEMP (nuclear electromagnetic pulse) protectors provide optimised protection and performance.
News from Huber+Suhner, Oct 8, 2003
Transient suppressor meets latest comms specs
The Semtech LC03-3.3 is the communications industry's only Telcordia GR-1089-compliant surge protection device for 10/100/1000 Ethernet interfaces.
News from Pulsar Electronics, Sep 26, 2003
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Circuit protection devices
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What is it?
Circuit protection devices:
Circuit protection devices safeguard electrical circuits from over-voltage and over-currents. Examples of these devices include voltage regulators, varistors, electrostatic discharge protection devices, switch/circuit breakers and thyristor surge protection devices.
Featured articles

- ChipSESD devices help to protect mobile phones
Tyco's 0201- and 0402-size ChipSESD devices help to protect: mobile phones, digital cameras and camcorders, computer I/O ports, keypads, low-voltage DC lines, speakers, headphones and microphones. - System enables reset and battery-monitoring apps
With improved temperature characteristics and a tighter detect voltage tolerance, the XC6126 series offers a more accurate, lower-cost solution for simple reset and battery-monitoring applications.
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