Vishay, SFH615A-3X007T Phototransistor Output Optocoupler, Surface Mount, 4-Pin SMD

The Vishay optocoupler feature a variety of transfer ratios, low coupling capacitance and high isolation voltage. These couplers have a GaAs infrared diode emitter, which is optically coupled to a silicon planar phototransistor detector and is incorporated in a plastic DIP-4 package. The coupling devices are designed for signal transmission between two electrically separated circuits.

Excellent CTR linearity depending on forward current
Fast switching times
Low CTR degradation
Low coupling capacitance

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