Spotlight on Passive Components
Jul 1, 2007
Wet Tantalum Capacitor Vishay Intertechnology's HE3 wet tantalum high-energy capacitor features a case design with SuperTan technology for improved reliability and performance in high-energy applications....
Nichrome Resistors Deliver Reliability at Lower Cost
Aug 1, 2006
An alternative to expensive tantalum nitride
resistors, these precision, moisture-resistant
components can perform voltage division or
setting of gain in power-supply circuits....
New Products
May 1, 2006
PWM Controller The IR3624 from International Rectifier is a 600-kHz single-phase synchronous buck PWM controller IC designed for high-density, 10-A nonisolated...
PolySwitch Device Enhances Overcurrent Protection
Apr 1, 2006
Where resettable overcurrent protection is a requirement, PolySwitch polymeric positive temperature coefficient (PPTC) devices offer a highly effective...
New Products: March 2006
Mar 23, 2006
This issue of Power Electronics Technology features analog switches, buck regulator for GPUs, LED driver, SMT inductor/transformer......
New Products: February 2006
Feb 1, 2006
This issue of Power Electronics Technology features battery-charger ICs, rectifiers, thick film resistors and inductors...
Specifying Resistors for Motor Control Applications
Nov 1, 2005
Motor controllers used to power, stop and control the speed of a variety of motors must deal with a wide variety of surges due to switching events. When...
Top 10 Tidbits of Battery Wisdom
Jul 28, 2005
By avoiding common design errors, designers can extend the runtime of their battery-powered portable products....
SPICE Analog Behavioral Modeling of Variable Passives
Mar 1, 2005
Very often when simulating an electrical circuit in SPICE, there is a need for a variable passive element such as a resistor, a capacitor or an inductor....
Sensorless Control For PMDC Motors
Feb 1, 2005
A technique for controlling motor speed without
Hall sensors or other signal-generating devices
saves wear on bearings and brushes, decreases
motor noise, and reduces no-load current....
Passive Current Sharing Boosts Power and Reliability
Jan 1, 2005
Passive current sharing is a method of paralleling the outputs of two or more power supplies or dc-dc converters so that they share the load near equally....
Foil Technology Yields Low Power Coefficient Resistors
Jun 1, 2002
A new Z-based foil technology reduces resistor sensitivity, enabling improvements in ambient temperature and self-heating effects, with increased accuracy for fixed resistor applications....
Thin-Film Resistors Shrink Electronic Systems
Feb 1, 2002
High reliability resistor applications usually tend toward the use of thin-film rather than thick-film technology. Thin film is the technology of choice because of its ability to produce components with greater stability over frequency and time....
