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 300°C. ATC Semitec 104NT-4-R025H42G 100K ±3% NT Thermistor