directivecompliant. ▫ Agencyapprovals/Compliance. 1. Recognized by UL (Double protection isolation), file No. E (as model No. PC). 2. SHARP PC | Optocoupler; THT; Channels:1; Out: transistor; 5kV; DIP4 – This product is available in Transfer Multisort Elektronik. Check out our wide range of . PC PCF. ± ± ± ± ± ± ± ± Epoxy resin. ± ± ± MIN.

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The firehose by day and forty beers by night, Pc1223 engineer may never sleep and still be just as bright. The alcohol never solved anything, but neither did water or milk. I use analog ohmmeter with 2 cp123 batteries, 3V to turn on LED pins 1 and 2and digital V-metar on diode tester mode on transistor side.

Here I want to show you how to check if an optocoupler is working. These information are very good indeed. Sign up using Email and Password.

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

I like the way pcc123 explain things. Hi, First of all thanks for sharing such an useful information. Mohamed pd123 October 9, at 9: Please correct the pin numbers in image. Here is the web site. 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. If you don’t want to buy a suitable optocoupler like the 6N, 6N, or H11L1, you could cp123 to use additional circuitry to prevent the phototransistor from saturating and to amplify its signal:.


Geert Van Droogenbroeck on November 18, at Post Your Answer Discard By clicking “Post Pv123 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. How the optocoupler Type SFH acts when the positive line is open.

The voltage is 5V used in combination with 0V to create a bitstream of data. With the Arduino’s Schmitt trigger inputs, and a portion of luck, you might actually be able to get the signal out, so you might as well try it.

PC123 – Photocoupler IC

Siroos on October 14, at I was wondering if i could just bypass the optcoupler and see if it works. But what i want to mention is there is a different testing circuit on the datasheet of H11B1.

Mihai on July 15, at 8: Post as a guest Name. There is no law governing all things.

Hi, The MOC, pc12 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. Thx and best regards, Geert. Leave a Reply Cancel reply Your email address will not be published. Learn how your comment data is processed. For the triac pins 4 and 6with no voltage applied to the LED pins 1, 2check with an ohmmeter the resistance between pins p123 and 6, it should be high open circuit or at least greater than 1 megohm both ways, and pc23 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.

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However, this is nothing I would recommend you rely on. The LED is basically a diode, and it should not conduct both ways not get values on the meter both ways. To do that, I need an optocoupler, that secures the internal circuits from damage.


An optocoupler or optoisolatoris a device that contains a light-emitting diode LED and a photosensor photodetector, such as a photoresistor, a photodiode, a phototransistor, …etc.

Sunil on March 3, at 3: For response time or frequency response data, check the datasheet. The problem is, that I’m not quite sure if this optocoupler can be used for this circuit. Mihai on July 16, at 5: 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.

What are the midi in voltage levels? Sign up using Facebook. If i give the input of V DC what pc23 be the response of this optocoupler….

Mihai on June 10, at The MIDI specification calls for a high-speed optocoupler. Im trying to connect a MIDI input cable to an arduino. What if there is photo-Triac instead of Photo-transistor, How to test then?

I appriciate… I tried that emprical method for H11B1 optocoupler. Any help would p123 apreciated.

If the input is at 2V DC, then the output resistance should be around — ohms. Blumen on October 26, at 7: Thanks for the clarification. Sanu sebastian on August 19, at