PS2505 - HIGH ISOLATION VOLTAGE AC INPUT RESPONSE TYPE MULTI PHOTOCOUPLER series In this document: PS2505-1, PS2505-2, PS2505-4, PS2505L, PS2505L-1, PS2505L-1-E3, PS2505L-1-E4, PS2505L-1-F3, PS2505L-1-F4, PS2505L-2, PS2505L-2-E3, PS2505L-2-E4, PS2505L-4