Circuit & System Protection


Latest Articles

Securing the smart grid
30 May 2012
As the nations of the world race to implement smarter electricity delivery systems, how to secure those systems is an important topic. Despite the fact that few standards exist for smart grid security, ...

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Conductive elastomers shield enclosures
30 May 2012, Actum Electronics
Electrically conductive elastomers are used for shielding electronic enclosures against electromagnetic interference (EMI). They provide environmental sealing and excellent mechanical and electromagnetic ...

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ESD protection diode
30 May 2012, EBV Electrolink
Vishay announced a new bidirectional symmetrical (BiSy) single-line ESD protection diode in the new ultra-compact CLP0603 silicon package. The VCUT05D1-SD0 provides low capacitance of 10 pF for signal ...

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High-speed ESD protector
30 May 2012
The new ESD7004 from ON Semiconductor is specifically designed to preserve signal integrity in high-speed applications such as USB 3.0 (5 Gbps) and eSATA (up to 6 Gbps). The device offers an ultra low ...

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Cable-shielding ferrites
30 May 2012, Actum Electronics
Ferrite shielding materials are widely accepted as providing a simple, convenient and cost-effective solution for radio frequency interference (RFI) problems in cables and connectors. Furthermore, they ...

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Lightning sensor IC
30 May 2012, NuVision Electronics
Austriamicrosystems introduced what it claims is the world’s first lightning sensor IC, the AS3935 Franklin Lightning Sensor with an embedded intelligent algorithm. The device utilises a sensitive RF ...

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Common-mode filters
16 May 2012, Electrocomp
KEMET announced the expansion of its KO-CAP conductive polymer portfolio with the release of the T522 reduced leakage polymer tantalum series. T522 series capacitors are an ideal solution for applications ...

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ESD protection diode arrays
16 May 2012
Comchip Technology has developed a 3,3 V unidirectional 4-line electrostatic discharge (ESD) protection diode array that meets the immunity requirements of IEC 61000-4-2 level 4 (±20 kV air, ±15 kV contact ...

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Over-voltage protectors
16 May 2012, CST Electronics
The new MAX14606 and MAX14607 from Maxim are advanced over-voltage protectors which handle up to 3 A of continuous current for today’s high-power electronics.    The devices feature reverse bias blocking ...

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Low-EMI isolation for medical equipment
2 May 2012, NuVision Electronics
Electromagnetic interference (EMI) is defined as any electromagnetic disturbance that interrupts, obstructs or otherwise degrades or limits the effective performance of electronic equipment. Unfortunately, ...

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ESD protection devices
2 May 2012
The LXES series of ceramic and silicon-based ESD protection devices from Murata features high suppression levels, high repetition durability and ultra-low capacitance. Silicon-based parts feature a ...

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PV surge protection sets
2 May 2012, Phoenix Contact
The new photovoltaic (PV) sets from Phoenix Contact for multi-string inverters protect PV systems with two or three independent strings against surge voltages up to 1000 V d.c. State-of-the-art inverters ...

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TVS diodes
2 May 2012, Altron Arrow
Littelfuse has introduced the SMF series 200 W transient voltage suppression (TVS) diode, designed specifically to protect sensitive electronic equipment from voltage transients induced by lighting or ...

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Board-level shielding products
2 May 2012, Actum Electronics
Laird Technologies manufactures a range of board-level shielding solutions, including one-piece shields, multi-compartmental shields and precision contacts. Standard surface-mount shields are available ...

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EMI filter for DC-DC converters
2 May 2012
Vicor announced the introduction of the Picor QuietPower QPI-21 active EMI filter for DC-DC converters. Supporting 48 V DC-DC converter designs up to 14 A for data communications and telecommunication ...

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Power line filters
2 May 2012
With current ratings ranging from 3 A up to 30 A and with low leakage current, TE Connectivity’s Corcom HZ series of power line filters complies with strict medical industry standards. The 30 A version ...

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Varistors with integrated thermal fuse
2 May 2012, Electrocomp
TDK-EPC has released a new series of EPCOS ThermoFuse varistors (ETFV) that are protected from overload and thus prevent fires. The ETFV series consists of a disk varistor of the AdvanceD series connected ...

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Floating surge stopper
2 May 2012, Altron Arrow
Linear Technology’s new LTC4366 is an over-voltage protection controller for electronic systems. Operating from 9 V to greater than 500 V, the device utilises an adjustable floating topology to enable ...

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Low-profile clamp filters
21 March 2012, Electrocomp
TDK-EPC has developed the ZCAT-D series of TDK clamp filters. The new low-profile filters are especially suited for EMI suppression by eliminating noise in the power lines of flat-screen TVs, in speaker ...

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Shielded filter windows
8 February 2012, Actum Electronics
Optolite shielded filter windows have been designed for electronic displays, combining a high level of electromagnetic shielding with excellent contrast enhancement. They are used to minimise radio frequency ...

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