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OPI7000 Series Isolators
Apr 2007
Optek Technology, Industrial Sensing & ControlRequest Info
CARROLLTON, Texas, April 23, 2007 -- Providing design engineers with an extended range of isolators for applications that require 6 kVDC electrical isolation, sensor maker Optek Technology has expanded its line of optically coupled isolators. Designated the OPI7000 series, the isolators consist of an infrared-emitting diode coupled to an NPN silicon phototransistor or photodarlington.

OPTEKIsolators.jpgAccording to Bob Procsal, applications engineer for Optek Technology, the OPI7000 series isolators were designed to meet the needs of applications that require 6-kVDC electrical isolation.

"In the new devices, the emitter and collector pin-out is reversed, providing direct pin-for-pin replacement of a variety of lower isolation voltage 4-pin dual in-line optocouplers," said Procsal. "This allows the isolators to be mounted on existing PC boards designed with 4-pin dual in-line packages rated for lower voltages, thus providing design engineers with an easy, inexpensive way to upgrade their existing circuit designs."

The OPI7000 series isolators are ideal for applications that require high voltage isolation between input and output, as well as electrical isolation in dirty environments, including industrial, medical and office equipment, Optek said.

The isolators feature an input-to-output isolation voltage of ±6 kV and a power dissipation rating of 100 mW. LED peak wavelength is 890 nm for the OPI7002 and OPI7010 devices and 890 nm or 935 nm for the OPI7320 and OPI7340 isolators. The OPI7002 and OPI7010 versions feature a current transfer ratio (CTR) of 20 percent and 100 percent, respectively, while the OPI7320 and OPI7340 versions with a photodarlington sensor feature CTRs of 200 percent and 400 percent, respectively. Operating temperature range is -40 °C to +85 °C.

The LED and sensor are enclosed in a high dielectric plastic housing, and the 0.30 pin spacing is compatible with standard dual in-line packages. Optek will also produce devices to meet specific customer requirements. Custom electrical specifications, wire and cabling, and connectors are also available.

Pricing for OPI7000 series isolators is $3.25 each in quantities of 1000. Lead-time, if stock is not available, is from 4 to 6 weeks.

For more information, visit:; e-mail:

Optek Technology
1645 Wallace Dr.
Carrollton, TX 75006
Phone: (972) 323-2200
Fax: (972) 323-2396


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Exhibiting the characteristic of materials that are electrical insulators or in which an electric field can be sustained with a minimum dispersion of power. They exhibit nonlinear properties, such as anisotropy of conductivity or polarization, or saturation phenomena.
A device intended to prevent return reflections along a transmission path.
A Darlington current amplifier consisting of two separate transistors, of which a phototransistor is the input device.
The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
1. A generic term for detector. 2. A complete optical/mechanical/electronic system that contains some form of radiation detector.
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