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Mohamed on October 9, at 9: Pls let me know.
I have two circuits. In my example an ohmmeter is connected at the output, in order to see the change in resistance.
The firehose by day and forty beers by night, An engineer may never sleep and still be just as bright. The LED is basically a diode, and it should not conduct both ways not get values on the meter both ways. Please correct the pin numbers in image.
electronic components kp1010 817b
Here I want to show you how to check if an optocoupler is working. Low Cost Bare Die Version.
Your email address will not be published. Siroos on October 14, at If the input is at 2V DC, then the output resistance should be around — ohms. Muhammad Akhlaq on May 30, at 9: Mihai on September 17, at Data Book 1 High accuracy and high sensitivity enable the dedication in automotive applications as well as consumer products.
Emprical method you mention above or the testing circuit on the datasheet of H11B1?
Wade on February 5, at 9: BAP are important parameters to compute the air-fuel ratio provided to the engine and. 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. Hi, Both methods are correct. It depends on the 2nd circuit you are supplying the voltage on collector of the optocoupler, optocoupler will never transfer the voltages of circuit1 to circuit2, it decreases resistance between your supplied voltages at collector and emitter on the input of circuit2.
,p1010 Hi, maybe a stupid question: Sunil on March 3, at 3: I hope it helps. Blumen on October 26, at 7: Mihai on July 15, at 8: This site uses Akismet to reduce spam. Michael on January 21, at 3: For the triac pins 4 and 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, and this resistance should go down lower than ohms when voltage is applied to the LED, and should remain datashest even if the voltage is no longer present on the LED.
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Nupra on March 18, at 6: The purpose of an optocoupler is to transfer datahseet from one circuit to another yet keep them galvanically isolated. 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. Mihai on February 6, at The optocoupler is FL C F, should i just datasheeet the emittor and collector pins?