Circuit & System Protection


Latest Articles

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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Modular surge arresters
25 January 2012, Surge Technology
The modular surge arresters of the DEHNguard M ... CI family with their functional Red/Line design combine short-circuit protection and surge protection in a single protection module. The protective circuit ...

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3-line EMC filters
25 January 2012, Electrocomp
A new series of 3-line EMC filters for frequency converters and other power electronics applications is available from TDK-EPC. The use of improved materials has led to a particularly cost-effective design ...

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SMD chip and resettable fuses
25 January 2012, Hi-Q Electronics
Wayon offers a broad range of SMD and PPTC fuses for over-current protection. The SMD chip fuses are available in two types; namely the slow blow and fast blow series. Packages that are covered are ...

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ESD protection array
25 January 2012, EBV Electrolink
Vishay has rolled out a new 4-line ESD-protection array in the new ultra-compact LLP2510 package. Featuring a compact 2,5 by 1,0 mm footprint and ultra-low profile of 0,55 mm, the VBUS54ED-FBL offers ...

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LED lighting protectors
25 January 2012, Altron Arrow
Heat, handling/vibration, electrostatic discharge (ESD), electrical fast transients (EFT), lightning-induced surges and ageing threaten the reliability of LED lighting designs. High-brightness LEDs are ...

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