PS2561A-1 - HIGH ISOLATION VOLTAGE SINGLE TRANSISTOR TYPE MULTI PHOTOCOUPLER SERIES In this document: PS2561AL2-1, PS2561AL2-1-E3, PS2561AL2-1-E4, PS2561AL2-1-V, PS2561AL2-1-V-E3, PS2561AL2-1-V-E4, PS2561AL2-1-A, PS2561AL2-1-E3-A, PS2561AL2-1-E4-A, PS2561AL2-1-V-A, PS2561AL2-1-V-E3-A, PS2561AL2-1-V-E4-A