The Isocom Components Optoisolator – Transistor, Photovoltaic Output 6N138SM is an optocoupler with a Darlington transistor output. It features a DC-in 1-channel, 8-pin PDIP SMD, and base DC-out. It offers wide dynamic ranges, low operating current and high LED input current capabilities. The 6N138SM has excellent noise rejection capabilities, low power supply requirements, and is suitable for computer peripherals, services, or anything requiring isolation or protection. It also comes with an Operating temperature ranging from 0°C to 75°C, with a frequency of 10 kHz. The 6N138SM is easy to install and offers a great value for money solution for all your isolation and protection needs.