Lite-On LTVA: available from 21 distributors. Explore Optoelectronics on Octopart: the fastest source for datasheets, pricing, specs and availability. Photocoupler. Product Data Sheet. LTV/ / . (M, S, S-TA, S-TA1, S-TP). Series. Spec No.:DS Notice The content of data sheet is subject to change without prior notice. In the absence of confirmation by device specification sheets, SHARP takes no.

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I was wondering if i could just bypass the optcoupler and see if it works. The alcohol never solved anything, but neither did water or milk.

Mihai on October 28, at Hi, maybe a stupid question: 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. Any help would be apreciated.

Pls let me know. How can i test them? This site uses Akismet to reduce spam.

There is no law governing all things. Evis on November 12, at 7: Mihai on June 10, at Here is the web site. Michael on January 21, at 3: Mihai on July 16, at 5: 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 question is which one is the right testing method? I hope it helps.

817a datasheet pdf

Siroos on October 14, at Arvind Vijaykumar on June 1, at Nupra on March 18, at 6: Mihai on November 20, at 1: I have two circuits.

I use analog ohmmeter with 2 internal batteries, 3V to turn on LED pins 1 and xatasheetand digital V-metar on diode tester mode on transistor side.

For response time or frequency response data, check the datasheet. Ado on November 14, at Mihai on September 17, at These information are very good indeed. Kannan E on July 19, at 9: First of all thanks for sharing such an useful information. Learn how your comment data is processed. Geert Van Droogenbroeck on November 18, at Sunil on March 3, 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 low even if the voltage is no longer present on the LED.

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. Thank you for the information… and i have one more clarifications.


A Datasheet(PDF) – STMicroelectronics

Mihai on February 6, at I appriciate… I tried that emprical method for H11B1 optocoupler. How the optocoupler Type SFH acts when the positive line is open. Mihai on July 15, at 8: Muhammad Akhlaq on May 30, at 9: Mihai on March 18, at You have JavaScript disabled or are viewing the site on a device that does no support JavaScript.

Good design is as little design as possible.

LTVA datasheet & applicatoin notes – Datasheet Archive

Your email address will not be published. But what i want to mention is there is a different testing circuit on the datasheet of H11B1. Blumen on October 26, at 7: Better check the datasheet for a test circuit. The firehose by day and forty beers by night, An engineer may never sleep and still be just as bright. I like the way you explain things.

If the input is at 2V DC, then the output resistance should be around — ohms.