Germany’s Fraunhofer Institute for Applied Solid State Physics IAF says it has developed the world’s first 600-V half-bridge circuit monolithically integrated on one chip. Fraunhofer used gallium nitride (GaN) to do the job. The half-bridge circuit comprises two GaN high-electron mobility transistors (HEMT) and two integrated freewheeling diodes. The HEMTs have a breakdown voltage of […]
Power Components
Drum-core inductors target SPS, EMI filtering apps
Premier Magnetics introduces its new line of low-cost, high-performance drum core inductors designed for EMI filtering and switch mode power supply applications. With a product offering of over two dozen models with inductance values from 100 to 10,000 µH, the new PM-R Series boasts low dc resistance (DCR), providing low-temperature rise at high peak currents. Their […]
DC current shunt resistor line expanded up to 10,000 A
Riedon, a specialist manufacturer of cutting-edge power and precision resistors, has expanded its portfolio of precision current shunts to provide one of the broadest range of current ratings available today. Responding to increases in the output levels from renewable energy sources, higher capacity batteries that require shorter charging times, and the widespread electrification of heavy […]
All-metal current sense chip resistors offer high efficiency power management
Stackpole offers low-value resistors constructed with metal foil technology. This precision design allows Stackpole to achieve tolerances down to 0.5%, TCR’s of 50 ppm TCR in resistance values down to 0.25 milliohms. These low resistance values are ideal for power management applications where high efficiency is a priority allowing design engineers to dissipate less power […]
Top power electronics threads on EDAboard.com – April
(editor’s note: Intrigued by these power electronics problems? Have a question or another solution? Then click the “Read more” link and follow the conversation on EDAboard.com or log in to EDAboard and participate in the power electronics forum threads.) Cheap mains conducted emissions tester? – Our direct drive, 100W offline, non-isolated LED driver failed EMC […]
Metal-foil-on-ceramic-chip resistors sense 1 to 10 A
TT Electronics launched the MFC series of metal foil chip resistors for current sensing duties in power electronics applications. The resistors’ small size makes them an ideal choice for designers of highly compact power conversion circuits in industrial and medical applications. Providing a combination of high power density, tolerance of surge conditions and stability, the […]
Flyback transformer optimized for motor control, inverter apps
TT Electronics, a global provider of engineered electronics for performance critical applications, today introduced the HM210-05K060LFTR flyback transformer designed for use with Avago’s ACPL-32JT/302J IGBT chipset. With its high level of isolation, the transformer is optimized for use in demanding industrial motor control and inverter applications. The HM210-05K060LFTR flyback transformer offers a higher saturation current […]
Hermetic high-temperature SMD tantalum capacitors get a longer lifetime
AVX Corporation has doubled the lifetime of select THH 230ºC Hermetic Series high-temperature SMD tantalum capacitors. Four of the six ratings currently available now offer 2,000-hour lifetimes at 230ºC and 0.5VR, and all six recently completed mechanical shock and vibration testing to MIL-STD-202 at 230ºC with 20g peak, ensuring robust, high-reliability performance in harsh, extreme application […]
Intelligent, energy-saving power supplies for smart home applications
ZETTLER electronics , a manufacturer and distributor of electromagnetic and electronic components, introduces its new AZ SR131 series. The miniature power solar relays are capable of switching up to 35 A at 277 VAC. Coil voltages range from 5 up to 48 VDC. The relay is designed for the use in solar inverter applications according IEC […]
High-power precision shunt resistors incorporate bulk metal foil technology
The VPG Foil Resistors product group of Vishay Precision Group announced the global market launch of the Alpha Electronics FNP Series, a family of high-power precision shunt resistors. Design of the Alpha Electronics FNP Series incorporates VPG’s own proprietary Bulk Metal Foil technology for a low-temperature coefficient of resistance (TCR) down to 0±1 ppm/°C, depending […]