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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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. Kannan E on July 19, at 9: Hi, maybe a stupid question: Thank you for the information… and i have one more clarifications. Opotcoupler, Both methods are correct.

The question is which one is opocoupler right testing method? The LED opocoupler basically a diode, and it should not conduct both optocouller not get values on the meter both ways. This site uses Akismet to reduce spam. Blumen on October 26, at 7: Good design is as little design as possible.


Did you reffer to isolation resistance when you mention some phototransistors have high resistance? Here I want to show you how to check if an optocoupler is working. Mihai on February 6, at I guess, it should work mostly the same as a normal triac. Geert Van Droogenbroeck on November 18, at When Firefox stops working, you fire up Chrome. I was wondering if i could just bypass the optcoupler and see if it works.

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You helped me understand how to use a tester on a optocoupler Thanks. But what i want opgocoupler mention is there is a different testing circuit on the datasheet of H11B1.

The optocoupler is FL C F, should i just join the emittor and collector pins? Thank you for the information.

How the optocoupler Type SFH acts when the positive line is open. 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. Mihai on June 10, at Mihai on September 17, at I appriciate… I tried that emprical method for H11B1 optocoupler. First of all thanks for sharing such an useful information.

Please correct the pin numbers in image.


Some features may not work properly. Mihai on October 28, at Here is the web site.

I have two circuits. Mihai on August 27, at Learn how your comment data is processed. Muhammad Akhlaq on May 30, at 9: Wade on February 5, at 9: Mihai on March 18, at The nice thing about standards is that you have so many to choose from.


For the triac pins 4 and 6 optocouller, with no voltage applied to the LED pins 1, 2check 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 otocoupler 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.

Viliam on September 7, at 1: There is no law governing all things.

Sanu sebastian on August 19, at