The VOx619A series phototransistor optocouplers from Vishay Intertechnology, Inc. combine a high and linear current transfer ratio over temperature with a low 0.5 mA forward current, supporting operation up to +125 °C. Offered in DIL-4, LSOP-4, SOP-4 and SSOP-4 packages, the devices provide up to 5000 VRMS isolation voltage, ≥ 8 mm creepage distance and compatibility with low-current drive sources such as microcontrollers. The series targets industrial, energy metering, telecom and power supply applications requiring galvanic isolation, reduced power consumption and stable signal transmission across a wide temperature range.
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