Electronic Manufacturer, Part no, Datasheet, Electronics Description. NEC, PSD-1, DIP PHOTOCOUPLER OPERATING AMBIENT TEMPERATURE °C. The description of this item has been automatically translated. If you have any questions, please feel free to contact us. Optocoupler D. NEW AND. D datasheet, cross reference, circuit and application notes in pdf format. Abstract: nec D photocoupler PSDL-1 PSDL-1Y-V-A D .

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It depends on the 2nd circuit you are supplying the voltage on collector of the optocoupler, optocoupler will never transfer the voltages of circuit1 optocooupler circuit2, it decreases resistance between your supplied voltages at collector and emitter on the input of circuit2.

Please correct the pin numbers in image.

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Mihai on June 10, 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.

Mohamed on October 9, at 9: Mihai on February 2, at 5: Good design is as little design as possible. Wade on February 5, at 9: Mihai on August 27, at I was wondering if i could just bypass the optcoupler and see if it works. The optocoupler is FL C F, should i just join optocopuler emittor and collector pins?


With no voltage applied to the LED pins 1 and 2and with an open base pin 6there should be a high resistance between pins 5 and 4. Michael on January 21, at 3: Ado on November 14, at Mihai on July 15, at 8: The purpose of an optocoupler is to transfer signals from one circuit to another yet keep them galvanically isolated.

D datasheet & applicatoin notes – Datasheet Archive

Thank you for the information… and i have one more clarifications. I guess, it should work mostly the same as a normal triac. I hope it helps. These information are very good indeed. The question is which one is the right testing method? Here is the web site. I have two circuits.

Siroos on October 14, at What if there is photo-Triac instead of Photo-transistor, How to test then? I was referring to the junction resistance. Evis on November 12, at 7: Thx and best regards, Geert. For response time or frequency response data, check the datasheet.

Mihai on November 20, at 1: Sarfaraz on November 8, at 9: First of all thanks for sharing such an useful information. You helped me understand how to use a tester on a optocoupler Thanks. Thank you for the information.

Geert Van Droogenbroeck on November 18, at Learn how your comment data is processed. How can i test them?

If you get a optocouplre either way or no value at all, then certainly there is a problem with the LED, and you should find another optocoupler. Mihai on March 6, at 2: Mihai on September 17, at optocopler Leave a Reply Cancel reply Your email address will not be published.


Hi, maybe a stupid question: Mihai on March 18, at There is no law governing all things. I use analog ohmmeter with 2 internal batteries, 3V to turn on LED pins 1 and 2and digital V-metar on diode tester mode on transistor side.

If i give the input of V DC what will be the response of this optocoupler…. Hi, Both methods are correct. 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 optocouple ways if the phototransistor is good.

Hi, First of all thanks for sharing such an useful information. But what i want to mention is there is a different testing circuit on the datasheet of H11B1.

The alcohol never solved anything, but neither did water or milk.

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.