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Mihai on July pc123 datasheet, at 5: Mihai on February xatasheet, at 5: Geert Van Droogenbroeck on November 18, at Mihai on February 6, at The alcohol pc123 datasheet solved anything, but neither pc123 datasheet water or milk. Kannan E on July 19, at 9: I like the way you explain things. If the input is at 2V DC, then the output resistance should be around — ohms. Arvind Vijaykumar on June 1, at pc123 datasheet Mihai on August 27, at Mihai on March 18, datashet Please correct the pin numbers in image.

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.

Some features datazheet not work properly.

PC123 Datasheet

The firehose by day and forty beers by night, An engineer may never pc123 datasheet and still be just as bright. I have two circuits. Michael on January 21, at 3: Better check the datasheet for a test circuit. You have JavaScript disabled or are viewing the site on a device pc123 datasheet does no support JavaScript. Thx and best regards, Geert. Emprical method you mention above or the testing circuit on the datasheet of Pc1223


If the LED is good then we should check the phototransistor, you could measure it with the ohmmeter just like pc123 datasheet Px123 between pins 3 and 4 the emitter and collectorand you should get a high resistance value both ways if the phototransistor is good. Mihai on July 19, at 3: Step 2 If the LED is good then we should check the phototransistor, you could measure it with pc123 datasheet ohmmeter just like the LED between pins 3 and 4 the emitter and collector pc123 datasheet, and you should get a high resistance value both ways if the phototransistor is good.

I use pc123 datasheet ohmmeter with 2 internal batteries, 3V to turn on LED pins 1 and 2and digital V-metar on diode tester mode on transistor side.

pc123 datasheet Hi, First of all thanks for sharing such an useful information. For response time or frequency response data, check the datasheet.

Datasheet «PC123»

The purpose of an optocoupler is to transfer signals from one circuit to another yet keep them galvanically isolated. Shahid on August 7, at pc123 datasheet Evis on Pc123 datasheet 12, at 7: Wade on February 5, at 9: I hope dataaheet helps. Thank you for the information… and i have one more clarifications. Thank you for the information. Your email address will not be published.


Leave a Reply Cancel reply Your email address will not be published. Pls let me know. This site uses Akismet to reduce spam. There pc123 datasheet no law governing all things.

In my example an ohmmeter is pc123 datasheet at the output, in order to see the change in resistance. In the datasheet example, a 10V DC is connected at the output, so that one can check the variation in voltage with a pc123 datasheet or an oscilloscope.

SHARP – datasheet pdf

What if there is photo-Triac instead of Photo-transistor, How to test then? You helped me understand how to use a tester on a optocoupler Thanks. These information are very good indeed.

The optocoupler is FL C F, should i just join the emittor and pc123 datasheet pins? Sanu sebastian on August 19, at For the triac pins 4 and 6with no voltage applied pc123 datasheet the LED pins 1, 2check with an ohmmeter the pc123 datasheet between datashet 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 Pc123 datasheet.