Optocouplers feature isolation voltage of 3,750 Vrms.

Press Release Summary:

Including 11 halogen-free, Pb-free, and RoHS-compliant devices, EL3H7-G series 4-pin SSOP phototransistor optocouplers offer operating temperature range of -55 to 110°C, multiple current-transfer-ratio bins, and breakdown voltage of 80 V. Available in 2 mm package with 1.27 mm lead pitch, units have 5 mm creepage distance, and are suited for use in dc-dc converters, battery chargers, general-purpose switching circuits, and programmable controllers.

Original Press Release:

Everlight's New 4-Pin SSOP Optocouplers Offer Power Supply Designers the Best Combination of Features for Simplifying Designs, Improving System Performance

EL3H7-G series incorporates wide operating temperature range, tight CTR binning, high isolation voltage and high BVceo in an ultra-low-profile package

CARROLLTON, Texas -- August 15, 2008 -- Everlight Electronics Co. Ltd . (TSE: 2393) introduces 4-pin SSOP phototransistor optocouplers with the best available combination of key specifications sought after by power supply designers. These include a low-profile (2 mm) package, high isolation voltage (3750 Vrms), minimum creepage distance (5 mm), wide operating temperature range (-55 °C to +110 °C), multiple current-transfer-ratio (CTR) bins and high breakdown voltage (80 V). The new EL3H7-G series' 11 devices are well suited for use in DC-DC converters, battery chargers, general-purpose switching circuits and programmable controllers. Compared with conventional optocouplers, the EL3H7-G devices offer important features and benefits, including:

Smaller form factor (2 mm max. package height and 1.27 mm lead pitch) accommodates designs with limited board real estate

Higher temperature operation (110 °C vs. 100 °C) improves system reliability
Selectable CTR ranges characterized at low LED currents increase design flexibility
Higher isolation voltage (3750 Vrms vs. 2500 Vrms) improves insulation characteristics
Halogen-free, Pb-free and RoHS-compliant devices meet green environmental initiatives
The combined features provided by Everlight's new EL3H7-G optocouplers allow power supplies to deliver the maximum usable power over a wider temperature range. They also offer a wider margin of safety in applications and provide greater design flexibility for high-end applications.

"Everlight's EL3H7-G series enables power supply designers to now derate their boards up to 110 °C while using an ultra-low-standoff-height device that accommodates low-profile applications," said Krish Ramdass, Optoelectronics Marketing, Everlight Americas, Inc. "Because these 4-pin SSOP optocouplers are capable of reaching higher operating temperatures, they enable DC/DC converters to achieve higher efficiencies and power ratings, as well as improved thermal performance."

Price (each): $0.10 to $0.20 (in production quantities)

Availability: Now

Delivery: 4 weeks, ARO. (Sales contact information)

About Everlight Electronics Co. Ltd.

Everlight Electronics Co. Ltd is a fast-growing global manufacturer of LEDs, displays, infrared and optocoupler components serving various applications in the consumer, computing, automotive, telecommunication and industrial market segments. Everlight's annual growth rate of more than 20 percent over the past ten years is the combined result of its well-engineered products, highly efficient in-house manufacturing facilities and extensive global supply chain. Founded in 1983, Everlight today is a $300 million company headquartered in Taipei, Taiwan, with over 4,000 employees and operations in China, Asia, North America and Europe. Everlight Americas, the company's North American subsidiary, is based in Carrollton, Texas. For more information please go to: www.everlight.com.

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