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What is X capacitor?
An "X" capacitor is used in across-the-line applications. Typically between the hot and the neutral power lines in North American applications and between L-1 and L-2 in European and other power-line applications. The definition for "X" capacitor application is: "where damage to the capacitor will not lead to the danger of electrical shock." The X classification is divided into three sub-classifications, X1, X2, X3 as defined by IEC664 categories I, II III.
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2011-04-12 Signal filtering chip filters boast smaller package
Syfer Technology's E01 and E07 ranges of feedthrough 3 terminal 'C' signal filtering chip filters boast smaller package size, as small as 0603.
2009-11-02 RTC packs tuning fork crystal, oscillator
Micro Crystal has launched a SMD package real time clock (RTC) that typically draws just 130nA @ 3V.
2011-10-11 Research touts superior energy storage tech
Researchers from NUSNNI prepare a soft, foldable energy storage membrane that claims to outgo rechargeable batteries and super capacitors.
2005-04-01 Replacing halogen lighting with LEDs
Unlike halogen bulbs, LEDs don't suffer from the low efficiency, poor reliability and short lifetime.
2006-06-09 RC network provides space-saving, memory termination
TT electronics' resistor-capacitor network provides a space-saving termination for high-speed memory busses and decoupling for high-frequency data line drivers.
2006-07-12 RC chip networks save up to 50% PCB space
BI Technologies SMT Division has developed a series of resistor-capacitor chip networks promises to replace up to 16 discrete components, saving 50 per cent of PCB space.
2001-03-26 Protection, decoupling and filtering of Cypress CMOS circuits
This application note discusses how Zener diodes protect ICs against inadvertent voltage transients, and explains the importance of decoupling and HF-filtering capacitors.
2008-12-26 Programmable analogue high current source, PSoC style
The configuration of PsoC switched capacitor blocks allows construction of a programmable current source.
2009-04-02 Programmable analogue high current source in PSoC
Learn how to build a programmable current source using a single switched capacitor block.
2013-03-26 Power tip: Flyback primary switch snubber design
In this article, we examine how to design a flyback primary switch snubber.
2014-09-11 Power tip: Benefits of interleaving a flyback
Interleaving a flyback has several benefits. It reduces ripple current in input and output filter capacitors. This allows you to save cost by using fewer parts or to reduce ripple voltage of power supply.
2004-11-01 Power management trends in 3G cellphones
Manufacturers are now adopting switching regulators over the simpler, but less efficient, linear low-dropout regulators in 3G cellphones.
2005-05-02 PolyPhase for step-up conversion
The benefits of PolyPhase operation are now available for high-power step-up conversion. Read more
2010-02-04 PHR-ST capacitors come in large case sizes
Vishay has enhanced its 101/102 PHR-ST capacitors to offer a high rated ripple current to 49.1 A at + 85 °C, and a long useful life of 10,000 h to 15,000 h at + 85 °C.
2003-05-28 Packaging Options
This application note describes the different packaging options available for the company's line of ceramic capacitors.
2003-04-16 Package efficiency: A boost to power MOSFETs
DirectFET technology has radically reduced package resistance and inductance, and facilitated a large reduction in the thermal resistance.
2002-05-09 Output ripple filter
This application note describes a general-purpose ripple filter circuit that can reduce voltage ripple on some dc/dc converters up to 27dB.
2007-06-16 Negative swing eliminates 'pop' from audio
One of the major advantages of negative-swing systems is they can dramatically reduce the occurrence of audio pops and clicks associated with routing of audio signals.
2009-08-04 MPU supervisor suits low-voltage monitoring
The MAX16055 hex-voltage microprocessor supervisor from Maxim boasts integrated reset timing.
2010-10-19 Motherboard standardises system protection features
GIGABYTE Technology Co. Ltd standardises the Xpress Recovery 2, DualBIOS and solid capacitor features on all its motherboards offering better system protection.
2008-07-11 More power with PhaseCap
Harald Vetter explains the unique features of PhaseCap capacitor making it suitable for power factor correction.
2013-05-20 MLCCs tout 100nF capacitance, 630V rated voltage
The CGA series devices from TDK are automotive-grade C0G mid-voltage multilayer ceramic chip capacitors that operate from -55°C to 125°C with temperature coefficient of 0 ±30ppm/°C max.
2010-10-28 MLCCs offer 0.15mm thickness
AVX Corp. extends its UT series of multi-layer ceramic capacitor (MLCC) family with low profile, fine copper termination (FCT) devices.
2010-12-29 MLCC arrays promise enhanced EMI performance
AVX Corp. debuts a line of multi-layer ceramic capacitor (MLCC) arrays that it claims shrink the circuit footprint, enhance EMI performance and improve overall manufacturing speed.
2008-07-17 MKV capacitors: Rugged types for rough conditions
This application note discusses the features and benefits of the MKV self-healing capacitor technology.
2010-02-18 Low-ESR tantalum capacitors target safety-critical apps
Vishay Intertechnology Inc. rolls out a series of TANTAMOUNT solid tantalum chip capacitors with a low ESR of 0.25Ω at + 25°C and 100kHz.
2012-06-29 Low ESR MLCCs provide from 0.5pF to 240pF
Syfer Technology releases a range of RoHS compliant Multilayer Ceramic Chip Capacitors (MLCC) with equivalent series resistance down to 0.1Ω at 1GHz.
2002-05-06 LND1 Series: Off-line compact universal linear regulator
This application note illustrates an off-line compact universal linear regulator, its circuit description, calculations for component values and alternative applications.
2012-02-21 LMZ10503 / LMZ10504 demo board quick start quide
Learn about the features and applications of LMZ10503/4 Simple Switcher power module.
2011-06-20 LM8850 evaluation board application note
The LM8850 evaluation board is a working demonstration of a step-up DC-DC converter that has been optimised for use with a super-capacitor.
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