RTH42 MIL-PRF-23648/19

QTI’s RTH42 MIL-PRF-23648/19 specified precision PTC thermistor meets or exceeds all of the requirements of MIL-PRF-23648.  It is certified by the Defense Logistics Agency, Qualified Products List QPL-23648.

Engineering Information
•   PTC thermistor
•   Standard resistance: 10 ohms to 10k ohms
•   Operating temperature range: -55˚C to 125˚C
•   Storage temperature: -65˚C to 150˚C
•   Dissipation Constant: 0.25 mW/˚C min. in still air
•   Thermal Time Constant: 60 seconds max in still air
•   Power rating: 0.250 W at 25˚C derate to 0 W at 125˚C


RTH42 Specifications (from the Defense Logistics Agency):
•   General MIL-PRF-23648 specification
•   MIL-PRF-23648/19C, style RTH42 specification