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The 4N25 family is an industry standard single channel phototransistor coupler. This family includes the 4N25,. 4N26, 4N27, 4N28. Each optocoupler consists ...
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Order today, ships today. 4N25 – Optoisolator Transistor with Base Output 2500Vrms 1 Channel 6-DIP from Lite-On Inc.. Pricing and Availability on millions ...
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The high isolation voltage SMD version optocouplers consist of a phototransistor optically coupled to a gallium arsenide infrared-emitting diode in a 4 pin ...
Jan 25, 2011 · I've a 220 ohm between pin 1 & 2 ( I just assume it is like driving a LED to limit the current ) from a digital pin of 5V to the ground.