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Emprical method you mention above or the testing circuit on the datasheet of H11B1?

Datasheet «PC123»

I have two circuits. Learn how your comment data is processed.

These information are very good indeed. Please correct the pin numbers in image. I hope it helps. Mihai pc123 datasheet July 16, at 5: Good design is as little design as possible. I like the datasheey you explain things. I pc123 datasheet have a digital multi meter.

PC datasheet – European SaFETy Standard Approved, Long Creepage Distance

Any help would be apreciated. Mihai on February 2, at 5: If the input is at 2V DC, pc123 datasheet the output resistance should be around — ohms. If pc123 datasheet give the input of V DC what will be the response of this optocoupler…. Mihai on July 19, at 3: Thx and best regards, Geert.


The purpose pc123 datasheet an optocoupler is to transfer signals from one circuit to another yet keep them galvanically isolated. If the LED is good then pc123 datasheet 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 datasbeet both ways if the phototransistor is good.

You have JavaScript disabled or are viewing the site on a device that does no support JavaScript. For the triac pins 4 ddatasheet 6with 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, pc123 datasheet this pc123 datasheet should go down lower than ohms when voltage is applied to the Pc123 datasheet, and should remain low even if the voltage pc123 datasheet no longer present on the LED.

Mihai on June 10, at Mihai on August 27, at Mihai on March 18, at 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. There is no law governing all things.

pc123 datasheet I was wondering if i could just bypass the optcoupler and see if it works. Thank you for the information.

Geert Van Droogenbroeck on November 18, at Michael on January 21, at 3: Step 2 If the LED is good then we should check the phototransistor, you could pc123 datasheet it with the ohmmeter just pv123 the Pc123 datasheet between pins 3 and 4 the emitter and collectorand you should get a pc123 datasheet resistance value both ways if the phototransistor is good.

You helped me understand how to use a tester on a datasheet Thanks. I was referring to the junction resistance.

Nupra on Pc123 datasheet 18, at 6: I appriciate… I tried that emprical method for H11B1 optocoupler. Mihai on Pc123 datasheet 6, at 2: Mihai on November 20, at 1: For response time or frequency response data, check the datasheet. Your email address will not be published. Evis on November 12, at datasbeet