I am posting a circuit diagram of simple circuit of phototransistor driving a relay. This is a simple circuit i have found yet. I am new to phototransistors. The diagram i am posting includes npn phototransistor . BUT at this time i have pnp phototransistor302C 40. There is no datasheet of this phototransistor availiable on the internet. So i want to ask if someone can help me with the same circuit implementing with a PNP 302C 40 phototransister. I shall be thankfull. I am in a urgent need.
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