Download the LP1234 datasheet PDF.
This datasheet also includes the LP12230 variant, as both parts are published together in a single manufacturer document.
POWER TRANSFORMERS Split Bobbin Horizontal PC Mount
u 2500 VRMS hipot/ Class B 130°C Insulation
u Single 115VAC or dual 115/230VAC primaries
u Single or dual secondaries for series or parallel.