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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You helped me understand how to use a tester on dafasheet optocoupler Thanks. It transforms useful input signal into light, sends it across the dielectric channel, captures light on the output side and transforms it back into electric signal.

Mihai on July 16, at 5: Good design is as little design as possible. Blumen on October 26, at 7: How can i test them? Your email address will not be published.

Thank you for the information. Mihai on February 6, at The actual product may vary with the picture shown. I hope it helps.

EL817 Phototransistor Photocoupler

A photocoupler, or optical isolator or an opto – isolator is a component that transfers electrical signals between two isolated circuits by using light. This site uses Akismet to reduce spam. Some features may not work properly. Viliam on September 7, at 1: First of all thanks for sharing such an useful information. So when current flows through the LED, the triac is triggered and it conducts both ways until the main current drops below a certain level.


The optocoupler is FL C F, should i just join the emittor and collector ratasheet In my example an ohmmeter is connected at the output, in order to see the change in resistance.

EL(S1) 规格书,Datasheet 资料_百度文库

Michael on January 21, at 3: RM Business days. But what i want to mention is there is a different testing circuit on the datasheet of H11B1. Thank you for the information… and i have one more clarifications.

Evis on November 12, at 7: Mihai on June 10, at Arvind Datasheet on June 1, at For the triac pins 4 and 6with no voltage applied to the LED pins 1, 2check with an datxsheet the resistance between pins 4 and 6, it should be high open circuit or at least greater than 1 megohm both ways, and this resistance should go down lower than ohms when voltage is applied to the LED, and should remain low even if the voltage is no longer present on the LED.

It depends on the 2nd circuit you are supplying datsheet voltage on collector of the optocoupler, optocoupler will never transfer the voltages of circuit1 to circuit2, it decreases resistance between your supplied voltages at collector and emitter on the input of circuit2.

Everlight Optocoupler EL – EL

Hi, Both methods are correct. An optocoupler or optoisolatoris a device that contains a light-emitting diode LED and a photosensor photodetector, such as datashheet photoresistor, a photodiode, a phototransistor, …etc. Kannan E on July 19, at 9: Hi, The MOC, is a phototriac coupler, meaning that instead of the phototransistor, it has a phototriac, which is basically a triac with the gate driven by the LED.


The firehose by day and forty beers by night, An engineer may never sleep and still be just as bright. I have two circuits. I was wondering if i could just bypass the optcoupler and see if it works.

Mihai on February 2, at 5: Mihai on March 18, at In the datasheet example, a 10V DC is connected at the output, so that one can check the variation datasneet voltage with a voltmeter or an oscilloscope. These information are very good indeed. Sarfaraz on November 8, at 9: Please correct the pin numbers in image. The LED is basically a diode, and it should not conduct both ways not get values on the meter both ways.

Mihai on October 28, at Add to Wish List Compare this Product. Thanks for the easy to follow explanation of how to rest an optocoupler. If i give the input of V DC what will be the response of this optocoupler…. Pls let me know.