Atc semitec glass encapsulated miniature thermistors atc semitec 104nt 4 r025h42g a hermetically sealed 100k 3 thermistor from atc semitec that provides excellent long term stability the glass coating ensures a fast response moisture proofing and use up to 300degc atc semitec 104nt 4 r025h42g 100k 3 nt thermistor