Circuit & System Protection


Latest Articles

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
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
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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AC axial fans
8 February 2012
Orion Fans has developed a new line of ‘green’ AC fans with a smart thermal control. Designated the OA109AP111TB03 (TEMP Control) series, the axial fans feature a ball-bearing design, measure 120 x 120 ...

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ESD suppressors
8 February 2012, Hi-Q Electronics
The WPESD1-0402-xx range from Wayon are PulseClamp polymer ESD suppressors that help protect sensitive electronic equipment against electrostatic discharge (ESD). They are targeted at high-speed, high-frequency ...

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Low-current fuses
25 January 2012, Future Electronics
AVX has extended the current rating of the Accu-Guard II low-current series to include 200 mA, 150 mA, 125 mA, 100 mA, 75 mA, 62,5 mA and 50 mA versions in a 0603 package. The miniature fuse utilises ...

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Inrush current limiters
25 January 2012
TDK-EPC has extended its range of EPCOS inrush current limiters (ICL). The P11 series (B57211P*) covers a resistance range from 4 to 25 Ω (R25). These types are designed for currents from 2,5 to 5 A in ...

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Anti-static chemical
25 January 2012, Actum
Staticide is an inexpensive, easy-to-use topical antistatic solution which provides a highly effective method of long-term static control. It is widely used in a broad range of industries, as well as ...

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