The EL series of devices each consist of an infrared emitting diodes .. The specifications in this datasheet may be changed without notice. Everlight EL available from 13 distributors. Explore Optoelectronics on Octopart: the fastest source for datasheets, pricing, specs and availability. EL Add page 2of 9, laser marking content of EVERLIGHT May,16, Add page 9 – FIMKO approved Details, datasheet, quote on part number: EL

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Kannan E on July 19, at 9: Geert Van Droogenbroeck on November 18, at Michael on January 21, at 3: Better check the datasheet for a test circuit. Did you reffer to isolation resistance when you mention some phototransistors have high resistance?

Wade on February 5, at 9: Current transfer ratio CTR: Enter the code in the box below. Mihai on August 27, at System appliances, measuring instruments. Mihai on November 20, at 1: Mihai on October 28, at Nupra on March 18, at 6: Please correct the pin numbers in image.

The actual xatasheet may vary with the picture shown.

Thank you for the information… and i have one more clarifications. RM Business days. The alcohol never solved anything, but satasheet did water or milk. Here I want to show you how to check if an optocoupler is working.


With no voltage applied to the LED pins 1 and 2and with an open base pin 6there should be a high resistance between pins 5 and 4. Mihai on February 6, at Applications of EL Phototransistor Photocoupler: Description EL Phototransistor Photocoupler The EL Phototransistor Photocoupler series of devices each consist of an infrared emitting diodes, optically coupled to a phototransistor detector.

EL Phototransistor Photocoupler buy online in India – Robomart

I guess, it should work mostly the same datsaheet a normal triac. Learn how your comment data is processed. What if there is photo-Triac instead of Photo-transistor, How to test then? Any help would be apreciated.

Mihai on July 16, at 5: Images shown is only for representation. Home appliances, such as fan heaters, etc.

100PCS EL817B EL817 SOP Data Sheet Photocouple NEW

Email Password Repeat Mobile. Mihai on July 15, at 8: How the optocoupler Type Datawheet acts when the positive line is open. Sanu sebastian on August 19, at Muhammad Akhlaq on May 30, at 9: I use analog ohmmeter with 2 internal batteries, 3V to turn on LED pins 1 and 2and digital V-metar on diode tester mode on transistor side.

Compact small outline package.

Pls let me know. Hi, First of all thanks for sharing such an useful information. Mohamed on October 9, at 9: Mihai on February 2, at 5: You helped me understand how to use a tester on a optocoupler Thanks. Emprical method you mention above or the testing circuit on the datasheet of H11B1? If the LED is good then we should check the phototransistor, you could measure it with the ohmmeter just like the LED between pins 3 and 4 the emitter and collectorand you should dztasheet a high resistance value both ways if the phototransistor is good.


Shahid on August 7, at 1: I hope it helps. This site uses Akismet to reduce spam.

The LED is basically a diode, and it should not conduct both ways satasheet get values on the meter both ways. Signal transmission between circuits of different potentials and impedances.

There is no law governing all things. But what i want to mention is there is a vatasheet testing circuit on the datasheet of H11B1. Viliam on September 7, at 1: I like the way you explain things. Good design is as little design as possible.

This common type opto – isolator consists of an LED and a phototransistor in the same package. Check out this bundle:.