Circuit & System Protection


Latest Articles

High-performance cooling fans
29 January 2014, Communica
The increasing construction of large load circuits for drives and controllers results in the use of larger and higher performance electronic assemblies like IGBTs and similar devices. In these performance ...

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Board-level EMI shield
29 January 2014, Actum
New from Laird Technologies is a low-profile, two-piece board-level shield offering a patent pending EMI shielding solution for compact electronics with tight space requirements. The shield incorporates ...

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RFI shield cans and clips
29 January 2014, Electrocomp Express
Sensitive electronic circuits need to be fully protected from extraneous EMI and RFI. This has typically been achieved by mounting metal shields, or ‘cans’, directly to the PCB, fully shrouding the required ...

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IP rated all-metal AC fans
29 January 2014
Orion Fans has expanded its offering of IP55- and IP56-rated all-metal fans, satisfying size, power and compatibility issues for design engineers. The new fans feature a dual ball bearing design, impedance ...

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NTC thermistors for inrush current limiting
13 November 2013, Electrocomp Express
Ametherm has introduced a new series of inrush current limiting NTC (negative temperature coefficient) thermistors designed to withstand high steady-state currents from 6 A to 50 A and 250 J to 800 J ...

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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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