PH548A PH-54R PH5502B2NA1 PH5502B2NA1-E4 PH5502B2NA1-E4-A PH5502B2NA1-E4-Y-A PH5502B2NA1-Y-A PH5503A2NA1-E4 PH5503A2NA1-E4-Y-A PH5503A2NA1-Y-A