Circuit & System Protection


Latest Articles

Tiny gas discharge tubes
29 January 2014, Altron Arrow
Littelfuse has introduced the SE series of gas discharge tube (GDT) devices in a square, miniature EIA 1206 package, making it the smallest GDT device on the market. Their ultra-low capacitance helps ...

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Polymer PTC resettable fuses
29 January 2014
Bourns announced the launch of the MF-RM series of Multifuse polymer PTC (positive temperature coefficient) resettable fuses. This radial through-hole series is Bourns’ first family of PTCs that can ...

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Bidirectional TVS diode
29 January 2014, Altron Arrow
The ESDAXLC6-1BT2 from STMicroelectronics is a bidirectional, single-line TVS diode designed to protect data lines or other I/O ports against ESD (electrostatic discharge) transients. The device is ideal ...

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ESD protection diodes
29 January 2014, iCorp Technologies
Brightking has released two new ESD protection devices covering a variety of application scenarios. The UAD8C05L01, in a small SOD-882 package, features ultra-low capacitance and low clamping voltage, ...

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Ceramic transient voltage suppressors
29 January 2014, Electrocomp
The Epcos range of ceramic transient voltage suppressors from TDK are voltage-dependent resistors with symmetrical V/I characteristic. Their resistance value decreases with increasing voltage, effectively ...

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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 Electronics
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 Electronics
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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