NEW TAIPEI CITY, Taiwan, Nov. 11, 2014 — Featuring a wide operating temperature range, three new four-pin optocouplers have been announced by Everlight Electronics. A high breakdown voltage of 80 V and a wide operating temperature range from -55 °C to 110 °C enhance system reliability. The EL617 and EL101X models have a high isolation voltage of 5000 Vrms for improved insulation characteristics and a creepage distance of more than 8 mm, designed for power supply designers. The EL121N model features 3750 Vrms, targeting DC-DC converters. Other applications include programmable controllers, measuring instruments, telecommunication equipment, home appliance and signal transmission between circuits of different potentials and impedances.