Circuit & System Protection


Latest Articles

Small DFN electronic circuit breaker eliminates sense resistor
2 November 2005
Traditionally, an electronic circuit breaker (ECB) comprises a MOSFET, a MOSFET controller and a current sense resistor. The LTC4213 from Linear Technology is a new electronic circuit breaker that does ...

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40 MHz filter
2 November 2005
Murata's BGS filter is an ultra-compact 40 MHz unit. The MKFCC40M0CD0P00 measures 3,0 x 3,0 x 1,15 mm, has an IL of 8,0 dB max, 20 dB min. at ±5 MHz.   

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Filtering and protection functions included in switched inlet module
2 November 2005, Communica
Schurter's product line with the model numbers FKH, FKI, FKHD, FKID, comprise a type C14 appliance inlet rated to IEC 60320-1, with a one- or two-pole fuse holder for 5 x 20 mm fuse links, and a two-pole ...

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Modular jacks with lightning strike protection
2 November 2005, Actum
Erni has developed a broad range of modular jacks, with integrated magnetics, for 10/100 Ethernet. These jacks are right-angle, single-port configurations meeting IEC60603-7 performance requirements and ...

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Compact fuse terminal for quick potential distribution
2 November 2005, Phoenix Contact
The compact UT 4 HESI fuse terminal (5 x 20) from Phoenix Contact with 4 mm² screw connections features a double bridge shaft, which is designed to fit all UT terminal blocks in-line. This enables quick ...

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PFC out of the box
2 November 2005, Electrocomp
With its PhaseMod family, Epcos is taking a completely new approach to power factor correction. This elegant and comprehensive solution features a high degree of integration, substantial savings in space, ...

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Resettable fuses for telecom line protection
2 November 2005, Communica
Wickmann offers an extensive line of resettable and blow-type overcurrent protectors for telecommunications and networking equipment. The new radial-leaded Polymer Polyfuse HVR250 and HVR600 Series are ...

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Safety limit switches
2 November 2005, Retron
Microprecision Electronics' MP800 Series of safety switches offer features for industrial equipment manufacturers who require position detection of protective guards or doors. The limit switches are made ...

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Noise suppressor chips
2 November 2005
Murata offers ultra-compact 'noise suppression' chip ferrite beads. The BLM03AG601SN1 series, which has a 600 Ω impedance (at 100 MHz), have been added to the company's general-purpose product line-up. ...

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Thin EMI suppression cores for flat cables
2 November 2005
Murata offers a series of ferrite cores for flat ribbon cable. Ribbon cable with a thickness of less than 4 mm can pass through these cores. This series is getting thinner, smaller and more lightweight. ...

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Protector for telecom applications
2 November 2005, Communica
With the new Protector 950, Wickmann has expanded its range of overcurrent protection components for telecommunication applications. Designed to protect telecom lines against overcurrents, the lead-free ...

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Design consequences of geometry 'shrinks'
2 November 2005, Tempe Technologies, Altron Arrow
As we all know, the process geometries of both digital and analog integrated circuits are continually shrinking - with the clear advantages of lower power requirements, silicon areas and prices. However, ...

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Dual ESD suppression devices in low-profile package
19 October 2005
ON Semiconductor has introduced the μESD dual series of high performance, micro-packaged electro-static discharge (ESD) protection diodes. The μESD dual series is designed to protect voltage sensitive ...

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Lightning arresters
19 October 2005, Amphenol International
In regions of high levels of lightning, basic spark-gap (carbon block or gas tube) protectors installed in buildings are inadequate to protect modern electronic equipment. Supplementary lightning protectors ...

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Protection IC has integrated battery disconnect
19 October 2005, CST Electronics, Electrocomp
Maxim has introduced overvoltage protection controllers that have an integrated battery disconnect switch with a current-limit range of 0,525 A to 1,1 A, depending on which part is used. The MAX4880-MAX4884 ...

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High-speed varistor a drop-in replacement for TVS diode
5 October 2005, Electrocomp
Epcos has extended its CeraDiode CDS4 series with a 3 pF type that has the same solder pad dimensions (2,5 x 0,8 mm) as a TVS diode in a SOD 323 package. The new type CDS4C16GTH can therefore be used ...

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Protection against transients
5 October 2005, Electrocomp
Yageo has introduced a new range of surface-mount multilayer chip varistors (MLV) under its Phycomp brand. The products are available in case sizes 0603 and 0402, with a working voltage range from 5,5 ...

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Filters for high-end power supplies
5 October 2005, Retron
High-end power supplies for distributed systems require high safety against disturbance emission and imission. Schurter's FSW is designed expressly for this purpose. It is a compact two-stage line filter ...

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SMD fuse block accepts dual-sized cartridge fuses
5 October 2005, Retron
Schurter has extended its OGD series to include a version for SMD mounting. Like the original OGD through-hole design, the SMD version uses dual fuse clips that accept either five x 20 mm or ¼ x one ¼" ...

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Surface mount fuse with high breaking capacity
21 September 2005, Retron
Schurter has extended its range of surface mount fuses with the USF 0603, the smallest fuse in the company's range to date. The USF 0603 thin-film fuse is only 1,6 mm long, 0,8 mm wide and 0,6 mm high. ...

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