The TLP621-4-TOS OPTOCOUPLER DC-IN 4-CH TRANSISTOR DC-OUT DIP16 The TLP621-4-TOS by TOSHIBA is a cutting-edge phototransistor optocoupler designed for reliable and efficient isolation. With an output voltage of 80V and an output current of 50mA, it ensures excellent performance across various systems. This optocoupler features an isolation voltage of 2500Vrms and a forward voltage of 1.15V, making it suitable for demanding applications. Operating in a temperature range of -55°C~+100°C, the TLP621-4-TOS is built to withstand challenging environments. Compliant with ROHS standards and packaged in a TUBE format, this optocoupler is the ideal choice for advanced electronic designs.