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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However, there might be problems with the other parameters of this optocoupler. Post as a guest Name. Pls let me know. Hi, First of all thanks for sharing such an cp123 information.

SHARP – datasheet pdf

Sign up using Email and Password. I totally forgot the connection speed, it seems to be reasonable to buy an appropriate optocouper instead. Mihai on October 28, at Shahid on August 7, at 1: I think that the maximum ratings are acceptable but maybe I’m missing some details.

So when current flows through the LED, the triac is triggered and optoxoupler conducts both ways until the main current drops below a certain level.

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An optocoupler or pptocoupleris a device that contains a light-emitting diode LED and a photosensor photodetector, such as a photoresistor, a photodiode, a phototransistor, …etc. Mihai on August 27, at Mihai on July 16, at 5: Here I want to show you how to check if an optocoupler is working. Viliam on September 7, at 1: I like the way you explain things.


The LED is basically a diode, and it should not conduct both ways not get values on the meter both ways. Thank you for optocouoler information… and i have one more clarifications.

Sign up using Facebook. Thank you for the information. Some features may not work properly. Geert Van Droogenbroeck on November 18, at Did you reffer to isolation resistance when you mention some phototransistors have high resistance?

Mihai on July 19, at 3: I have a PC optocoupler by Sharp lying around, so I’d like to use it in the circuit. Iptocoupler voltage is 5V used in combination with 0V to create a bitstream of data.

The firehose by day and forty beers by night, An engineer may never sleep and still be just as bright.

Mihai on March 18, at Mohamed on October 9, at 9: When Firefox stops working, you fire up Chrome. Your email address will not be published. The optocoupler is FL C F, should i just join the emittor and collector pins?

arduino – Use a PC optocoupler for MIDI input – Electrical Engineering Stack Exchange

This site uses Akismet to reduce spam. Hi, maybe a optoccoupler question: The input uses 5V. Mihai on March 6, at 2: Home Questions Tags Users Unanswered. First of all thanks for sharing such an useful information.


Mihai on February 2, at 5: Hi, Both methods are correct. If the input is at 2V DC, then the output resistance should be around — ohms. If you get a value either way or no value at all, then certainly iptocoupler is a problem with the LED, and you should find another optocoupler.

What if there is photo-Triac instead of Photo-transistor, How to test then?

Any help would be apreciated. Learn how your comment data is processed. I use analog ohmmeter with 2 internal batteries, 3V to turn on LED pins optocoipler and 2and digital V-metar on diode tester mode on transistor side. I only have a digital multi meter. Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

I was referring to the junction resistance.