Vishay, TCLT1006 Phototransistor Output Optocoupler, Surface Mount, 4-Pin LSOP

The Vishay TCLT100 series Optocoupler consists of a phototransistor optically coupled to a gallium arsenide infrared-emitting diode in a 4-lead SOP4L package. It is a low profile package and it have creepage distance > 8 mm.

Special construction
Extra low coupling capacitance
DC input with transistor output