H11AA1-M, H11AA2-M, H11AA3-M, H11AA4-M AC Input/Ph.
H11AA2 - 6-Pin DIP Optoisolators AC Input/Transistor Output
H11AA2 - AC INPUT/PHOTOTRANSISTOR OPTOCOUPLERS
H11AA2-M - (H11AAx-M) AC Input/Phototransistor Optocouplers
H11AA2M - (H11AA1M - H11AA4M) AC Input/Phototransistor Optocouplers