No successor part number is listed on the manufacturer's records, so any replacement must be qualified independently by the buyer.
What this comparator is and where it was used
The LM2903PW is a dual differential comparator from Texas Instruments' LM2903 family, designed for industrial-grade applications requiring two independent voltage comparisons on a single chip. Typical applications included threshold detection, zero-crossing detectors, and signal conditioning in motor drives, power supplies, and industrial control systems.
(typically tubes or trays), not tape-and-reel. This affects pick-and-place setup and may require manual handling or tube feeders.