This opto isolator has a min transfer ratio of 100 & a 7500V peak isolation voltage 5300V rms. Pin-out is the same as WL35Q. Absolute maximum ratings Input to output voltage 7500V peak 5300V RMSCollector-base voltage Vltsubgt CBOltsubgt 70 V Collector-emitter voltage Vltsubgt CEOltsubgt 70 V Emitter-base voltage Vltsubgt EBOltsubgt 7 V Input diode reverse voltage 3 V Input diode continuous forward current 90m A Continuous power dissipation LED 135m W Phototransistor 200m W Total 260m W Electrical characteristics typical