Mini opto-relay has 1.2kV output transistor

Panasonic has produced a 6pin DIP-style opto-relay that can switch 1.2kV at 750mA. Called AQV209G, it comes in through-hole and surface-mount versions and has a single ac-dc output with two mosfets that can be wired back-to-back series to switch ac (‘A’ connection), or in parallel to switch dc at higher current (‘C’ connection). In this ...

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Superconducting coil transmits 5kW contactless

A team led by Technical University of Munich (TUM) physicists Christoph Utschick and Prof. Rudolf Gross has succeeded in making a coil with superconducting wires capable of transmitting power on the order of more than five kilowatts contactless and with only small losses. Conceivable applications include autonomous industrial robots, medical equipment, vehicles and even aircraft. ...

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Five contracts awarded to accelerate space technology

Five UK organisations have been awarded a total of £300,000 from the UK Space Agency to speed up the development of innovative space technology. Recipients include the University of Leeds, which will develop 3D printing methods and liquid-crystal technology, similar to that in our television screens at home, to develop far-infrared sensors for studying climate ...

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Nasa turns to Blue Origin for lunar gravity testing

Nasa is partnering with Jeff Bezos’ Blue Origin to help simulate lunar gravity conditions closer to Earth, below the Kármán line. The US space agency is looking to take advantage of new testing capabilities in the company’s reusable suborbital rocket system, dubbed New Shepard (pictured). Currently, Nasa says, it can approximate the Moon’s gravity on ...

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GaN Systems and Silanna Semi offer ref design for ACF charger

GaN Systems and Silanna Semiconductor hsve come up with a new reference design for a GaN-based 65W Active Clamp Flyback (ACF) charger. The reference design is now available at Silanna Semiconductor and provides a design for ACF USB-C PD GaN chargers. This design claims to remove the difficulties of an ACF topology design, which typically has ...

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