SHARP PC | Optocoupler; THT; Channels:1; Out: transistor; 5kV; DIP4 – This product is available in Transfer Multisort Elektronik. Check out our wide range of . Here I want to show you how to check if an optocoupler is working. So I’ve chosen one of the most commonly used optocouplers (PC – 4 pins) for the. Space distance. PC PCF. 8mm or more. 8mm or more. Symbol. Ratings. Unit. Input. IF. mA. IFM. 1 Distance Photocoupler. 1. Conform to European.

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If the input is at 2V DC, then the output resistance should be around — ohms.

Your email address will not be published. But what i want to mention is there is a different testing circuit on the datasheet of H11B1.

Sign up using Email and Password. Mihai on July 16, at 5: Mihai on March 18, at Siroos on October 14, at Mihai on June 10, at Good design is as little design as possible.

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. Mihai on November 20, at 1: The problem is, that I’m not quite sure if this optocoupler can be used for this circuit. I think that the maximum ratings are acceptable but maybe I’m missing some details.


Mihai on August 27, at The LED is basically a diode, and it should not conduct both ways not get values on the meter both ways.

Hi, maybe a stupid question: Mihai on October 28, at 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. Thanks for the clarification. Please correct the pin numbers in image.

Pls let me know. Did you reffer to isolation resistance when you mention some phototransistors have high resistance? For response time or frequency response data, check the datasheet.

SHARP – datasheet pdf

Evis on November 12, at 7: In my example an ohmmeter is connected at the output, in order to see the change in resistance. There is no law governing all things. Thx and best regards, Geert. However, this is nothing I would recommend you rely on.

Arvind Vijaykumar on June 1, at Nupra on March 18, at 6: You have JavaScript disabled or are viewing the site on a device that does optocouplsr support JavaScript. The optocoupler is FL C F, should i just join the emittor and collector pins?


I like the way you explain things. Ado on November 14, at The alcohol never solved anything, but neither did water or milk.

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Thanks for the easy to follow explanation of how to rest an optocoupler. Leave a Reply Cancel reply Your email address will not be published.

I was referring to the junction resistance. Mihai on July 19, at 3: Shahid on August 7, at 1: This is the schematic as shown by the MIDI specification: Some features may not work properly. Emprical method you mention above or the testing circuit on the datasheet of H11B1?

To do that, I need an optocoupler, that secures the internal circuits from damage.

Better check the datasheet for a test circuit.