The IS281-4GB IC-281-4 OPTOISO 2.5KV 4CH TRANS SOIC16 The IS281-4GB by ISOCOM 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 3750Vrms and a forward voltage of 1.2V, making it suitable for demanding applications. Operating in a temperature range of -55°C~+110°C, the IS281-4GB is built to withstand challenging environments. Compliant with ROHS standards and packaged in a TAPE&REEL format, this optocoupler is the ideal choice for advanced electronic designs.