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Looking for optoisolator with neon bulb input

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simo

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optoisolator

hi guys
i need optoisolator for my circuit design,i do need the input as the neon bulb and the out put anything,transitors or triac or....i do care about the input becaus i have ac voltege and around 90v ac.
thanks guys
 

Re: optoisolator

u can use 2 pcs TLP521 but you have to connect led section anti parallel( cathode to anode and anode to cathode).

anti-parallel Leds can be connected by series RC to High voltage.

...and TRs section is emitter to emitter and collector to collector.
 

Re: optoisolator

Hi

Is this kind of optocoupler suitable for your app ?

h**p://www.fairchildsemi.com/ds/HC/HCPL-3700.pdf

* = t
 

Re: optoisolator

thanks guys for your help.\
about the RC circuit that i need for the optoisolator to work in high voltege is the RC circuit used as hight pass or low pass.i mean RC or CR .
thanks
 

RC will be series to LED section which is I mentioned. Max current while limited by R while C is charging.
 

Re: optoisolator

thanks for your help.
do you have values for C AND R?
thanks
 

optoisolator

USE Mct2e IC AND TRAC BT136.
 

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