For the moment there is allocation on many components in the world and also End Of Life of PTC - NTC resistors on some brands like Murata.
At TRG Components AB we can help Your company with our brand Thinking Electrionics, one of the largest PTC and NTC manufacturers in the world, to cross to the Murata partnumber or other manufacturers if needed.
Please see the table above and use for your convenience and contact the engineers at TRG Components for your help with crossing and datasheets.
The table below is the equivalent series comparison between Murata and Thinking briefly. It helps to have a quick and easy communication.
Once you get the specific part number, TRG Components will do the crossing further and provide the individual P/N with specification sheet for you.