OP505, OP505W, OP506, OP506W OP535, OP705 Features.
OP535 - NPN Phototransistors
TSOP53533 - IR Receiver
TSOP53536 - IR Receiver
TSOP53540 - IR Receiver
OP535A - NPN Phototransistors
TSOP53530 - IR Receiver
TSOP53538 - IR Receiver
TSOP53556 - IR Receiver
OP535B - NPN Phototransistors