Circuit & System Protection


Latest Articles

Lightning current/surge arresters
2 September 2009, Surge Technology
DEHN’s Red/Line multipole DEHNventil M combined lightning current/surge arresters are designed for protecting low voltage installations and terminal devices against surges, even during direct lightning ...

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SAW filter for Bluetooth and WiFi
2 September 2009
Murata has developed a new SAW filter whose high power capability means it can be used as a top filter, replacing two interstage filters with a single component. In addition, the filter’s external matching ...

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Over-voltage protection IC
2 September 2009, Altron Arrow
STMicroelectronics has introduced new over-voltage protection IC offering a choice of four threshold voltages suitable for battery chargers up to 6,8 V. The STBP120 protects the charging-control circuitry ...

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Tiny ESD protection ICs
2 September 2009, EBV Electrolink
New from ON Semiconductor are two electrostatic discharge (ESD) protection devices housed in its new, ultra-small 0201 Dual Silicon No-Lead (DSN-2) package measuring just 0,6 x 0,3 x 0,3 mm. The company’s ...

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Surge protection for four signal wires
2 September 2009, Phoenix Contact
The new Linetrab surge protection devices from Phoenix Contact protect up to four signal wires with diameters of 6,2 mm. When connected in the appropriate manner, it is possible to provide surge protection ...

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EMI gaskets
2 September 2009, Connector & Wire Services
Gore-Shield GS500 from WL Gore & Associates is an EMI gasket material consisting of expanded polytetrafluoroethylene (ePTFE) that has been filled with a highly conductive carbon particle. This material ...

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Cable fire protection system
2 September 2009
Legrand has extended its cable management portfolio to include a new fire protection system that conforms to stringent fire protection standards and adheres to relevant building safety regulations that ...

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Low-profile EMI/RFI shielding gaskets
2 September 2009, Actum
Tech Etch is offering four low-profile BeCu gaskets in both stick-on and hook-on mounting configurations. With EMI/RFI shielding effectiveness over 100 dBz attenuation, the gaskets measure from just 1,5 ...

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Surge arresters protect 230 V equipment
5 August 2009, Phoenix Contact
Phoenix Contact’s Blocktrab arresters offer type 3 surge voltage protection for 230 V equipment. This universal arrester has been conceived to be directly fitted into junction boxes or installation sockets, ...

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Equipment leakage circuit breakers
22 July 2009, Vepac Electronics
The PD-Series SmartGuard circuit breaker from Carling Technologies is an equipment ground fault protection device that functions as a standard high-quality hydraulic/magnetic circuit breaker, offering ...

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Low-capacitance TVS arrays
22 July 2009, Tempe Technologies
RailClamps from Semtech are low-capacitance TVS arrays designed to protect high-speed data interfaces. This series has been specifically designed to protect sensitive components which are connected to ...

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Single-IC USB isolator
8 July 2009
Analog Devices has introduced a single-IC USB isolator (universal serial bus isolator), which simplifies isolated USB port implementation in system-critical medical and industrial equipment. Leveraging ...

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EMI/RFI shielding vents and filters
24 June 2009, Actum
Tech-Etch manufactures a range of EMI shielded honeycomb vents, fan vents, quiet vents and air filters from prototype to high volume in all shapes and sizes. In-house plating improves shielding effectiveness ...

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EMI/ESD filter arrays
24 June 2009, EBV Electrolink
Vishay has announced the release of two new four- and eight-channel LC EMI/ESD filter arrays with input loss of less than 1 dB in compact LLP1713 and LLP3313 leadless packages. With a low profile of 0,6 ...

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Exploring the IEC 60335-1 standard
10 June 2009, Retron
The IEC 60335-1 standard, in its 4th edition, ensures even better fire protection in unattended electrical household appliances. To achieve this goal, the demands placed on glow wire resistance of the ...

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IC protects USB 2.0 ports
10 June 2009, Altron Arrow
ON Semiconductor has introduced the NCP362, proclaiming it to be the industry’s first overvoltage protection (OVP) device with both integrated current protection and high-speed electrostatic discharge ...

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ESD chairs with drag chain
10 June 2009, Actum
Actum Electronics is supplying a range of ESD chairs with a moulded PU seat and back foam that are ergonomically contoured for enhanced safety and comfort. The method of foam production employed ensures ...

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Bus port protection arrays
10 June 2009, EBV Electrolink
New from Vishay are two compact 2-line and 4-line ESD protection arrays with low capacitance and leakage current for the protection of high-speed data lines against transient voltage signals. Featuring ...

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Gas discharge tubes
10 June 2009
Bourns now offers an economical three-electrode surface mount gas discharge tube (GDT). The 2054 series is designed for board level protection of broadband applications due to its low capacitance, giving ...

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Schurter develops MOV range
13 May 2009, Retron
Adding to its existing protective element offering of fuses and filters, Schurter has released a range of radial leaded varistors, also referred to as MOVs (metal oxide varistors), which help to protect ...

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