AutomationDirect.com    Cumming, GA 30040-9905
Aug 02, 2012 Providing 1,800 V optical isolation, Model FC-ISO-C is designed with 3 complementary open collector outputs rated for 5-36 Vdc that can be used in single-ended configurations, while Model FC-ISO-D features 3 differential line driver outputs rated for 5 Vdc. Modules have 3 complementary inputs rated for 4.5-7.5 and 12-26 Vdc with frequency response up to 1 MHz. Both include integral 35 mm DIN rail mounting adapter, LED indication, and removable screw terminal blocks.

IXYS Integrated Circuits Division    Aliso Viejo, CA 92656
Jul 23, 2012 Available in 8-pin surface mount or DIP package, Model CPC5002 isolates 2 logic signals, and supports 10 Mbaud data rates for digital communications over optical barrier while providing 3,750 Vrms of galvanic isolation. Unit utilizes CMOS photodetector, requires 1.5 mA LED drive current, and operates from 2.7-5.5 V. Unlike magnetically isolated digital isolator ICs, Model CPC5002 requires no internal clocking and supports direct coupled logic-level isolation without refresh clocks.

TT electronics IRC Wirewound and Film Technologies Division    Boone, NC 28607
Dec 22, 2010 Featuring 20 KV isolation and 2 Mbps data transmission rates, IP65-rated OPI1268S Series complies with ATEX and ICEex certifications for electrical equipment used in hazardous areas. Explosion-proof unit comprises GaAIAs LED with peak wavelength of 850 nm, optically coupled to photodiode that detects incoming modulated light and converts it to proportionate current. Measuring 27.94 x 6.35 x 8.89 mm, device operates from 7 V supply with 40 mW power dissipation.

Optek Technology, Inc.    Carrollton, TX 75006-6905
Sep 03, 2010 Enabling military electronics design engineers to optically isolate sensitive circuit elements, 4N2x and 4N4x Series respectively consist of 935 or 890 nm wavelength IR-emitting diode and NPN silicon phototransistor mounted in hermetically sealed SMT 6-pin LCC or through-hole TO-78 metal can. Each provides up to 1 kV electrical isolation and is processed to TX and TXV MIL-PRF-19500/486 and /548 specifications. Minimum current transfer ratio ranges from 25%-100% (4N2x) and 50%-200% (4N4x).

Optek Technology, Inc.    Carrollton, TX 75006-6905
Feb 26, 2010 Designed for power isolation in high-voltage PCB circuits in industrial electronics systems, medical electronic equipment, and office machines, OPI1268 delivers AC and DC voltage isolation up to 16 kV while achieving digital data transmission rates of 2 Mbd. GaAlAs LED with 850 nm peak wavelength is optically coupled to Photologic® photodiode in output IC. UL-recognized device comes in 27.94 x 6.35 x 8.89 mm opaque, high dielectric plastic housing with 5-lead configuration.

Avago Technologies    San Jose, CA 95131
Oct 14, 2009 ACPL-M61L/061L/064L/W61L/K64L optocouplers operate in -40 to +105°C tempertures from 2.7-5.5 V supply. Combining LED and integrated high gain photo detector, 10 Mbd devices have forward drive current at 1.6 mA, allowing designers to interface optocoupler input directly from microcontroller output - eliminating use of buffers to drive LED. Slew-rate controlled output controls voltage rise and fall times over wide range of load capacitances.

AMS Technologies AG    Munich 82152  Germany
Aug 14, 2008 Isolators rated for up to 30 W are offered with Large Mode Area (LMA) Single Mode (SM) fiber pigtail on one side and collimated free-space beam on other. Alternatively, 50 W design is available as free-space version. Both versions are suited for use in fiber lasers, amplifiers, and CATV systems. Further isolators, fiber coupled and free-space, are available for lower powers and wavelengths from 488-1,600 nm.

Optek Technology, Inc.    Carrollton, TX 75006-6905
Nov 12, 2007 UL-approved OPI120 and OPI123 Series, rated to 15 kV, have hermetically sealed IR LED packaged with phototransistor or photodarlington output. Designed to provide high-voltage isolation between input and output as well as electrical isolation in dirty environments, solutions feature LED with peak wavelength of 890 or 935 nm, forward dc current of 150 mW, and power dissipation rating of 200 mW. Depending on series, minimum collector-emitter voltage for output photosensor is 25 or 20 V.

B & B Electronics Mfg. Co.    Ottawa, IL 61350
Sep 21, 2006 Available for RS-232 and RS-422/485 data circuits, I-linx stand-alone optical isolators in industrial DIN rail mount cases offer 2,000 V protection. Converters change RS-232 format data signals to RS-422 for increased range, or RS-485 for increased range and multi-drop capability. Model FOSTCDRI converts RS-232, RS-422, or RS-485 to transmit over fiber optic cable, which allows range up to 2.5 miles.

Optek Technology, Inc.    Carrollton, TX 75006-6905
May 11, 2006 Providing electrical isolation and data transfer, Series OPI1270 consists of visible LED emitter and phototransistor detector housed in separate opaque molded plastic housings and coupled by shrouded optical cable for noise immunity. LED emits red light with peak wavelength of 645 nm, while phototransistor exhibits max collector current of 50 mA. Offered in standard lengths of 32, 40, and 80 mm, RoHS-compliant units feature operating temperature of -20 to +85°C.

Optek Technology, Inc.    Carrollton, TX 75006-6905
Jun 01, 2005 Surface mountable on ceramic or printed circuit board, Series HCC240 and HCC242 consist of GaAlAs LED and silicon phototransistor in hermetically sealed, leadless chip carrier. When coupled, Series HCC240 exhibits on-state collector current of 6.0 mA typical, while Series HCC242 is 15.0 mA typical. With collector-emitter saturation voltage of 0.30 V max, both devices are compatible with soldering process and are rated for operation from -55 to +125ºC.

Del Mar Ventures    San Diego, CA 92130
Sep 02, 2004 Faraday Optical Isolator allows propagation of linearly polarized light in one direction, but blocks light in reverse direction. It consists of Faraday rotator, 2 polarizers, and housing body. Rotator's magneto-optical rod is cut from glass with parallelism better than 10 arc-sec. Isolator is offered with reverse isolation of 38 dB or 60 dB and is factory aligned for central wavelength of 800 nm. Changing position of rod allows tuning over wavelength range from 765-835 nm.

Optek Technology, Inc.    Carrollton, TX 75006-6905
Jun 17, 2004 Consisting of infrared LED and photologic sensor, Model OPI1268 is capable of DC and AC voltage isolation between input and output circuitry while providing TTL signal integrity. Maximum isolation voltage is 16 kV with propagation delays less than 200 ns. Isolator is packaged in opaque plastic housing with transmissive internal light pipe between LED and photologic sensor. High level output current is typically 0.25 µA with max of 15 µA.

Absolute Process Instruments Inc.    Libertyville, IL 60048
Jul 17, 2003 IsoSplitterâ„¢ 4393 dc/dc transmitter accepts one dc voltage or current input and provides 2 optically isolated dc voltage or current outputs. Input and output ranges can be independently configured to requirements. Unit includes LoopTracker® LEDs for input/output monitoring and functional-test button for testing output, independent of input signal. It is suitable for systems with multiple devices on same process loop, including PLCs, DCS, BAS, panel meters, and recorders.