It pays to know the distinguishing features of electrolytic, film, and super capacitors when planning applications where energy efficiency is important. MORRIE GOLDMAN, ILLINOIS CAPACITOR INC. RENEWABLE ENERGY SYSTEMS all have a common need for high-efficiency power circuits. Whether the original source of energy is light, heat, or mechanical motion, ancillary circuitry will probably either […]
AC filter capacitors cover 250 to 400 Vac with capacitance range of 1 to 70 µF
TDK Corporation has extended its EPCOS B32754 to B32758 series of AC filter capacitors. They now cover a range of voltages from 250 V AC to 400 V AC and offer capacitances of between 1 µF and 70 µF. The capacitors comply with IEC 61071: 2007 and are extremely robust, even at high humidity. This […]
Conduction cooled capacitors include direct mounting options
Illinois Capacitor has expanded their lineup of their HC and LC Series Conduction Cooled Capacitors, to include new direct mounting options on the HC Series. These devices are a fit for resonant power circuitry having very high current demands. With the rugged appearance of mechanical components, they have ratings of up to 1,200 amps RMS and […]
Wet tantalum supercapacitors now rated for 175°C max operating temp
AVX Corp. has increased the maximum operating temperature for its TWD High-Temp Max-Cap (HTMC) Series axial leaded, hermetically sealed wet tantalum capacitors from 125°C to 175°C. Based on a well-established wet tantalum design, the newly improved TWD HTMC Series capacitors provide the highest DC capacitance and the highest operating temperature of any T4-case capacitor available […]
Three-phase capacitors for filter apps cover 250 to 850 Vrms
TDK Corporation now offers the extensive B3237 series of EPCOS MKD three-phase capacitors for filter applications. The capacitors cover a voltage range from 250 VRMS to 850 VRMSin 10 stages and are available with capacitances of between 3 x 10 µF and 3 x 400 µF. Depending on the type, the capacitors are designed for currents of up to 60 A. Internally, the […]
Power Electronics Top Talks in June on EDABoard.com forums
Peer-to-peer, engineer-to-engineer questions and answers from the EDABoard.com engineering community around power electronics. Click the “Read more” link and follow the entire conversation and maybe add your two cents by logging in to EDAboard.com Design precaution of 78xx and 79xx series regulators – I am looking into using these old regulators. My main concern is the […]
Going solderless – Press-Fit capacitors bring multiple benefits to circuit assembly
Solderless assembly of electronic components can deliver significant benefits in terms of simplicity, repeatability and some key electrical and mechanical considerations. However, to be acceptable, technologies such as Press-Fit need to satisfy stringent operational and performance requirements stipulated for the specific application and by standards bodies such as IEC. MARYANN FULTON, KEMET The need for […]
Wet electrolytic tantalum caps handle 230°C
AVX Corporation, a manufacturer and supplier of advanced electronic components and interconnect, sensor, control, and antenna solutions, has launched a new high-temperature wet electrolytic tantalum capacitor series. Designed for use at 230°C, the new TWA-X Series wet electrolytic tantalum capacitors feature a high-capacitance cathode system that achieves high CV performance in standard case sizes and a […]
Power film capacitors for high power, high frequency applications
KEMET announced two new series of power film capacitors that meet the requirements of AEC-Q200. The C4AQ series is suited for industrial, automotive and power supply designs for DC link, DC filtering and energy storage applications, while the C4AF series addresses similar applications, but is specifically designed for harsh environments. The new RoHS compliant capacitors […]
AC capacitors for filter applications range from 2 µF to 50 µF
TDK Corporation presents a new series of EPCOS MKP AC capacitors for filter applications. The components of the B33331V series are designed for a rated voltage of 460 VRMS, corresponding to a peak voltage of 650 V, and cover a capacitance range from 2 µF to 50 µF. Both the cans and the tops are constructed of aluminum, making […]
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