Circuit & System Protection


Latest Articles

Protection thyristor
13 November 2013, Altron Arrow
Littelfuse has introduced an ultra-low-capacitance protection thyristor in the SOT23-6 package. The SDP Series SIDACtor provides robust over-voltage protection for broadband/xDSL telecommunications equipment ...

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Bypass diode protects solar junction boxes
13 November 2013, EBV Electrolink
Texas Instruments has introduced a smart bypass diode in a standard surface-mount package with 15 A current handling capability and very low power dissipation. In a typical application, each SM74611 lowers ...

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Noise suppressing chip beads
23 October 2013, Electrocomp
TDK has extended its MMZ portfolio of Gigaspira beads with the MMZ1005-V series, which reportedly features the world’s highest impedance peak frequency in the 2,5 GHz range. The EMC components enable ...

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Board level shields
23 October 2013, Actum
Tech-Etch has introduced SlimShield, a low-profile, two-piece board level shielding line with a dimpled cover that snaps into etched holes on the fence and offers shield heights as low as 1,5 mm. According ...

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SLIC over-voltage protector
23 October 2013, Altron Arrow
Bourns announced the release of a new programmable over-voltage protection device designed to protect SLICs (subscriber line interface circuits) against over-voltage conditions on the telephone line. The ...

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High-temperature varistors
9 October 2013
AVX has added several new high-temperature varistors to its radial leaded TransGuard automotive series. Based on patented multilayer varistor (MLV) technology, the new components are rated for -55°C to ...

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White-body open LED protectors
9 October 2013, Altron Arrow
A new addition to Littelfuse’s PLED open LED protection devices lineup is the PLEDxSW Series LED protector which, unlike earlier PLED devices from Littelfuse that had black moulded bodies, is moulded ...

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EMC filters for power electronics
9 October 2013, Electrocomp
TDK has introduced a new series of EPCOS EMC filters. The B84142A*166 series of 2-line filters features types designed for rated currents of 10 A, 16 A and 30 A at a rated voltage of 250 V a.c. (50/60 ...

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Raspberry Pi heatsink
9 October 2013, Electrocomp Express
A new heatsink is available from element14 for those applications where a Raspberry Pi single-board computer is in need of cooling. It measures 13 x 13 x 10 mm (H x W x D), weighs just 5 pgrams, and features ...

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Tiny ESD protection diode
9 October 2013, EBV Electrolink
Vishay unveiled a new bidirectional symmetrical (BiSy) single-line ESD protection diode for portable electronics in the ultra-compact CLP0603 package. Measuring only 0,6 by 0,3 mm with a very low height ...

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Transient voltage suppressors
9 October 2013, MB Silicon Systems
Central Semiconductor has released two new transient voltage suppression (TVS) devices in compact surface mount packages with 5,0 V operation and 0,9 pF capacitance. The CMYTVS5-2 is a 2-line TVS diode ...

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Waveguide gaskets
9 October 2013, Connector & Wire Services
W.L. Gore and Associates has evolved its Gore-Shield range of waveguide flange gaskets for enhanced EMI and pressure sealing. Manufactured from a conductive expanded PTFE, which is much thinner than alternative ...

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Surge-tolerant fuses
18 September 2013, Altron Arrow
The new 328 and 688 Series fuses from Littelfuse offer protection superior to that of circuit breakers, providing short circuit and overload protection and ensuring long-term reliability for outdoor applications ...

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Repetitive voltage surge suppressors
4 September 2013
STMicroelectronics has launched the STRVS series of transient voltage suppressor (TVS) devices which are specified against repetitive over-voltages in high-temperature conditions. In applications, over-voltage ...

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EMI absorbing heat shrink
4 September 2013, Conical Technologies
Wave-X Heat is a heat-shrinkable EMI absorber from ARC Technologies, designed to integrate seamlessly with wire and cable assemblies, neatly sealing junctions and connector interfaces while absorbing ...

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PoE surge arrestor
21 August 2013, Surge Technology
Copa’s COP907 surge arrestor provides surge protection for indoor 100/1000 Base-T Ethernet networks. The unit is fully compatible with industry-standard Power-over-Ethernet (PoE) devices, providing ...

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Ferrite cable cores
21 August 2013, Actum
These ferrite-based product families preserve signal integrity by filtering EMI generated by active components, coupling from DC power lines and broadcasting from the ambient environment. The company ...

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Weatherproof adhesive vents
21 August 2013, Connector & Wire Services
W. L. Gore & Associates has expanded its line of protective vents with a new product specifically engineered to increase the reliability of outdoor electronic enclosures that are commonly exposed to changing ...

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High-current DC filters
21 August 2013
Schurter has expanded its FMER series of high-current filters with a model for high power. The entire series is now available without grounding capacitors for safety-related applications. Photovoltaic ...

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EMC shield clamps
24 July 2013, Radél
SKL shield clamps from Icotek are used where a cable’s shielding must be connected to the ground potential. To enhance strain relief, they include a notch to accommodate a cable tie via which they are ...

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