The Vishay SFH6319T is a high-performance optocoupler that features a single channel and 4000Vrms isolation voltage. The device is designed for use in DC input applications and has a forward voltage of 1.4V. The optocoupler has a minimum DC current transfer ratio of 500% at 1.6mA and a maximum of 2600% at 1.6mA. The switching turn-on and turn-off time is 600ns and 1.5μs, respectively. The device has a maximum output voltage of 18V and a channel output current of 60mA. The continuous forward current is 20mA. The optocoupler is available in an 8-SOIC package and operates in a temperature range of -55°C to 100°C. The device is popular in the market and has a medium popularity rating. The fake threat in the open market is 45%, and the supply and demand status is balanced.