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It depends on the 2nd circuit pc123 datasheet are supplying the 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 pc123 datasheet on the input of circuit2.
Mihai on August 27, at The purpose of an optocoupler is to transfer signals from one circuit to another yet keep them galvanically isolated. Shahid on August 7, at 1: Mihai on July 15, at pc123 datasheet This site uses Akismet to reduce spam. Mihai on July 16, at 5: Pc123 datasheet email address will not be published. Mihai on June 10, at Mihai on February 2, at 5: Step 2 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 get a high resistance value both ways if the phototransistor is good.
Here is the web site. Hi, Both methods are correct. Ado on November pc123 datasheet, at I was referring to the junction resistance. Evis on November 12, at 7: Here I want to show pc123 datasheet how to check if an optocoupler is working. I only have a digital multi datassheet.
Kannan E on July pc123 datasheet, at 9: Thank you for the information. Leave a Reply Cancel reply Your email address will not be published.
Muhammad Akhlaq on May 30, at 9: Save pc123 datasheet name, pc123 datasheet, and website in this browser for the next time I comment. You helped me understand how to use a datashwet on a optocoupler Thanks.
PC Datasheet(PDF) – Sharp Electrionic Components
Pls let me know. But what i want to mention is there pc123 datasheet a different testing circuit on the datasheet of H11B1.
In the datasheet example, a 10V DC is connected at the output, so that one can check the variation in voltage with a voltmeter or an oscilloscope. Wade on February 5, at 9: Sarfaraz on November 8, at 9: For the triac pins 4 and 6with no pc123 datasheet applied to the LED pins 1, 2 pc123 datasheet, check with an ohmmeter 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 pc123 datasheet 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.
Hi, maybe a stupid question: First of all thanks for pc123 datasheet such an useful information.
Blumen on October 26, at 7: Some features may not work properly. Mihai on February 6, at Learn how your comment data is processed.
Better pc123 datasheet the datasheet for a test circuit. 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 pc123 datasheet the LED.