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Photocoupler achieves 8mm creepage distance

Posted: 02 Jun 2010 ?? ?Print Version ?Bookmark and Share

Keywords:photocoupler? LED? photo detector?

PS2381-1 photocoupler

Renesas Electronics Corp. has launched the PS2381-1, a compact, slim photocoupler achieving long creepage distance of 8mm required by worldwide safety standards.

The new product is mounted in a 4-pin LSOP in which the shortest distance between the LED side pin and the photo detector side pin along the package surface (the creepage distance) is 8mm. This package achieves an insulation thickness of 0.4mm, which is the shortest distance between the LED device and the photo detector device that are isolated within the package. In addition to these features, the new photocoupler is designed to provide package thickness of 2.3mm, reduced by 40 percent from the existing 4-pin DIP.

Renesas' new photocoupler also features an increased operating ambient temperature of 115C by optimizing materials. The new photocoupler also provides high insulation voltage of 5000Vrms by adopting the highly-reliable double-molded structure used in existing photocoupler products. These features enable system designers to easily develop further miniaturized and thinner systems that comply with worldwide safety standards.

The new PS2381-1 photocoupler is currently available for samples priced at $0.5 per unit. Mass production started today and is expected to reach 2,000,000 units per month from Q4.

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