IRVINE, USA: Toshiba America Electronic Components Inc. (TAEC) announced the addition of the TLP290-4 (AC input) and TLP291-4 (DC input) to its family of optocouplers. Suitable for general purpose applications requiring isolation, including power supplies and motor controllers, the new optocouplers from Toshiba feature a quad configuration in a double - molded package and a wider creepage distance, improved performance and higher operating temperatures (110 degrees Celsius).
The Toshiba TLP290-4 and TLP291-4 both consist of a photo transistor that has been optically coupled to a gallium arsenide infrared emitting diode. The devices are housed in a low profile SO16 package, making for extremely small and thin couplers. The TLP290-4 and TLP291-4 feature a wide operating temperature (Ta=-55 to 110 degrees Celsius), making them suitable for high-density surface mounting applications such as programmable controllers and hybrid ICs.
According to Joseph Tso, business development manager for Toshiba's optoelectronics discrete business unit, "This new family of quad couplers can be used in the same socket as our popular TLP280-4 and TLP281-4 series of optocouplers, offering higher performance and greater creepage distance for designs in which package height is of a lesser concern."
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