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Optocoupler, Phototransistor Output, AC input. Features The KP/ KP/ KP consist of a phototransis- tor optically coupled to 2. The FOD consists of two gallium arsenide infrared As per DIN EN/IEC , this optocoupler is suitable for “safe electrical insulation” only .. “ Typical” parameters which may be provided in ON Semiconductor data sheets and/or. PC Series. PC Series. AC Input Photocoupler s Features PC Internal connection. PC diagram. CTR rank mark rank mark. PC PC

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Fairchild still makes it.

Sign up using Email and Password. Also, I’d like to know exactly what you mean by “detect line voltage.

PC SMD, AC (transistor output) – elpro Elektronik

Anyway what is the minimum current for H11AA? Now I could reduce the resistance, however the heat dissipated would be more which I don’t want. The output will be a HZ ripple on 60 HZ power lines. Email Required, but never shown. As long as there is AC input Vout is at close to zero volts. Take a look at an IL if you want to know what the line voltage is as the current in the two output diodes is well matched.

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Free shipping(10)PC814C PC814A PC814B PC814 optocoupler

Just saying “MCU” doesn’t tell me what it is for. While testing my circuit at various input voltages I found that the opto will start giving fluctuating output when my voltage is V. Sparky 11k 2 15 Ok H11AA seems to work on 1mA.

I changed R1 to K which greatly reduces heat. Sorry for the long story, I am still learning. Digikey is showing H11AA as obsolete.

PC 814 SMD

Sign up or log in Sign up using Google. Home Questions Tags Users Unanswered. Also H11AA seems to be obsolete.

Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies. To my question areyou able to help me with SFHA-3? Schematics you’ve tried would be nice. Post as a guest Name. This opto-coupler will work fine at 1 mA AC. H11AA is supplied by Digikey and Mouser. Or do you just want to know that AC of at least a certain rms voltage is there?


Sign up using Facebook. I am also not able to use a x-capacitor or use a transformer due to size constraints. What is the minimum current required for this opto. Yes, I see you wrote, “sense when there is line and otherwise.

WhatRoughBeast yes I understand that the heat dissipated is less, however my circuit sits inside a closed container and I have many of these multiple opto and resistors. By using our site, you acknowledge that you have read and understand our Cookie OptocoupoerPrivacy Policyand our Terms of Service.

Data Sheet HCPL AC Input Phototransistor Optocoupler High Density Mounting Type |

I calculated the voltage and found that for V AC and a series resistance of K, the current is just 0. Due to all these factors, someone suggested me to find another opto which works at very low current.

I am just trying to get the state of an electrical device, i. This would create lot of heat compared to the one with K and as mentioned in my query we cannot accommodate more heat.