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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The firehose by day and forty beers by night, An engineer may never sleep and still be just as bright.
Sunil on March 3, at 3: Mihai on July 16, at 5: I only have a digital multi meter. Opotcoupler you reffer to isolation resistance when you mention some phototransistors have high resistance? This site uses Akismet to reduce spam. Thank you for the information. I have two circuits. Hi, First of all thanks for sharing such an useful information. I was wondering if i could just bypass the optcoupler and see if it works.
The nice thing about standards is that you have so many to choose from. Pls let me know. 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 both ways if the phototransistor is good.
For response time or frequency response data, check the datasheet. Thx and best regards, Geert. Hi, Both methods are correct. I hope it helps.
Good design is as little design as possible. Here is the web site.
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First of all thanks for sharing such an useful information. I guess, it should work mostly the same as a normal triac. Mihai on July 15, at 8: The LED is basically a diode, and it should not conduct both ways not get values on the meter both ways. I like the way you explain things. Better check the datasheet for a test circuit. Hi, maybe a stupid question: Nupra on March 18, at 6: 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.
The alcohol never solved anything, but neither did water or milk. Mihai on February 2, at 5: If i give the input of V DC what will be the response of this optocoupler….
D datasheet & applicatoin notes – Datasheet Archive
Blumen on October 26, at 7: The purpose of an optocoupler is to transfer signals from one circuit to another yet keep them galvanically isolated. If you get a value either way or no value at all, then certainly there is a problem with the LED, and you should find another optocoupler. The question is which one is the right testing method?
So when current flows through the LED, the triac is triggered and it conducts both ways until the main current drops below a certain level.
You helped me understand how to use a tester on a optocoupler Thanks. 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.
Kannan E on July 19, at 9: Mihai on March 6, at 2: When Firefox stops working, you fire up Chrome. Mihai on July 19, at 3: Michael on January 21, at 3: How can i test them?
Learn how your comment data is processed. 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 both ways if the phototransistor is good. I use analog ohmmeter with 2 internal batteries, 3V to turn on LED pins 1 and 2and optocouupler V-metar on diode tester mode on transistor side.
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