PM-Y44P SUNX SENSOR
Key Specifications

• Brand/Manufacturer: Panasonic / SUNX (PM-44 Series)
• Sensing Method: Through-beam (slot type, U-shaped)
• Sensing Distance: 5 mm (0.197 in) fixed
• Minimum Sensing Object: 0.8 x 1.8 mm opaque object
• Output Configuration: PNP open-collector transistor (Light-ON / Dark-ON selectable/incorporated)
• Supply Voltage: 5 to 24 V DC ±10%
• Current Consumption: 15 mA or less
• Part Status: Obsolete / Discontinued by the manufacturer 

If you are looking for a replacement or alternative model for a current machine or project, let me know:

• What voltage and output type (PNP vs. NPN) your system uses
• The mounting shape or space constraints you have