Vishay is broadening its optoelectronics portfolio with the release of a new series of low input current optocouplers with phototransistor output. The VOM617A and VOM618A feature low input currents of 1 mA (VOM618A) and 5 mA (VOM617A) in the compact SOP-4 mini-flat package, which saves 30% PCB space over the DIP-4 package.
The new series each offer nine different current transfer ratio (CTR) ranges from 40% to 600%. They are designed for isolated feedback loops, I/O isolation and isolation in switch mode power supplies, AC adaptors, motor drivers, solar inverters, networking switches, telecom line cards and home appliances. The optocouplers protect equipment users from electrical shocks and protect the microprocessors within these systems from being damaged by voltage spikes.
The devices feature a GaAs infrared emitting diode that is optically coupled to a silicon phototransistor. The SOP-4 package provides a 3750 VRMS isolation voltage rating and creepage and clearance distance of ≥5 mm.
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