This is the first article in a three-part FAQ series on capacitors used in power-handling applications. In this first article, we will consider safety capacitors for filtering electromagnetic interference (EMI, also called radio frequency interference, RFI) on ac power lines, for antenna coupling, and for providing voltage isolation in DC/DC converters. Part two will look […]
Power Components
Zero-cross detection IC optimized for appliance power supplies
ROHM announces the availability of BM1ZxxxFJ, an integrated zero cross detection IC series, optimized for home appliances such as vacuum cleaners, washing machines, and air conditioners. The rising demand for smart appliances and IoT applications has added communication functionality (i.e. Wi-Fi) to home appliances. As it is necessary for such devices to always be ON to […]
SMD power inductors handle high temperatures, high currents
Sumida continues the expansion of its AEC-Q200 qualified SMD inductors with the introduction of the CDEP13D**/T150 line. Consisting of ten standard types and ten high-power types, the new devices offer a combination of four key benefits, when compared to many other inductors. These are high temperature, high current, high-insulation voltage, and magnetic shielding. Inductance values range from […]
Weatherproof 300-W Li-ion battery charger for E-mobility apps
Calex Manufacturing Company, Inc. announces the addition of the 300 Watt CEV Series charger for li-ion batteries. The ruggedized packaging and thermal design make the AC-DC charger one of the most resilient on the market. The series can be used as either an external charging source or installed onboard a li-ion battery operated application. The CEV […]
Current-compensated dual choke filter inductors handle high currents
Bourns, Inc.introduced the Model DR334A Line Filter Series. These current-compensated dual choke filter inductors feature higher current capability than typical standard signal line common mode chokes, as well as high stray inductance and differential mode noise rejection. These capabilities make the Model DR334A series ideal line filter solutions for consumer, industrial and other market power […]
Efficient fanless supplies deliver 1 kW
Advanced Energy Industries, Inc. announced the availability of its Excelsys CS1000 fanless power supply series. Delivering up to 1000W with no fans, this convection cooled family of highly efficient power supplies eliminates acoustic noise, vibration and the need for baseplate cooling, making them lightweight and ideal for use in a wide range of medical treatment […]
Supercapacitors operate at 3 and 6 V
A new series of higher-voltage and high-energy-density supercapacitors, called DSF Supercapacitors, offer a notable jump in voltage rating over typical supercapacitors to 3.0 WVdc for a single component and 6.0 WVdc for a dual-pack device. This higher voltage spec results in greater energy densities, which in turn saves space and may reduce the number of […]
GaN-powered LED drivers target compact smart-lighting designs
Power Integrations announced a new member of the LYTSwitch-6 family of safety-isolated LED drivers for smart lighting applications – the LYT6078C. This new LYTSwitch-6 IC uses Power Integrations’ PowiGaN™ gallium nitride (GaN) technology to deliver efficiency and performance benefits, demonstrated by the new design example report (DER-920) the company is also announcing today. The PowiGaN-based LYT6078C […]
Metal terminal-type MLCCs handles high voltages
Murata Electronics announced the availability of two new metal terminal type multilayer ceramic capacitor (MLCC) series with temperature compensating U2J characteristics. The KCM line for automotive applications delivers low loss and excellent stability performance in high temperature, high voltages, and high frequencies. Similarly, the KRM was developed for general-purpose functions, with certain models rated at […]
Power capacitors handle ac filtering in three-phase delta connections
TDK Corporation presents two new series of EPCOS power capacitors for AC filtering in three-phase delta connection applications. The B32375 series is designed for the low to medium power range and covers a capacitance spectrum from 3 x 5 µF to 3 x 50 µF with rated voltages from 250 VRMS to 600 VRMS. The can […]