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Overview

NASA Qualified epoxy encapsulated precision interchangeable NTC thermistors for use in extended space flight applications.  All parts are fully flight tested and characterized. Line re-qualified yearly per MIL-PRF-23648 requirements as specified in GSFC S-311-P-18 document. All GSFC S-311-P-18 (S311P18) lead options wire options available.
 

BENEFITS

  • Flight Qualified
  • 2252 Ohm to 30K Ohm Resistance @ 25°C
  • Interchangeability to ±0.1°C
  • Excellent High Temperature Performance
  • High Sensitivity
  • Thermally Conductive Epoxy Coating Exhibits <0.66% TML, <0.01% CVCM, 0.10% WVR when tested per ASTM E-595-90 

APPLICATIONS

  • Extended Space Applications
  • Low and Mid Range Temperature Applications
  • Tight Tolerance Instrumentation
  • Applications Requiring Sensing Small Changes in Temperature
  • Applications with Out-gassing Requirements  

±0.2°C Interchangeability Tolerance 0°C – 70°C

Part Number GSFC S-3118-P-18 Number Basic MEAS Thermistor  Zero Power Resistance ohm at 25°C  Beta 0- 50°C (K)  Operating & Storage Temperature*  Color Code Body  End 
44901 -01S7R6 44004 2252 3891 -55 -+ 90°C Black Yellow
44903 -03S7R6 44005 3000 3891 -55 -+ 90°C Black Green
44905 -05S7R6 44007 5000 3891 -55 -+ 90°C Black Violet
44907 -07S7R6 44006 10K 3574 -55 -+ 90°C Black Blue
44909 -09S7R6 44008 30K 3810 -55 -+ 90°C Black Gray
  • Part Number
  • 44901
  • GSFC S-3118-P-18 Number -01S7R6
  • Basic MEAS Thermistor  44004
  • Zero Power Resistance ohm at 25°C  2252
  • Beta 0- 50°C (K)  3891
  • Operating & Storage Temperature*  -55 -+ 90°C
  • Color Code Body  Black
  • End  Yellow
  • 44903
  • GSFC S-3118-P-18 Number -03S7R6
  • Basic MEAS Thermistor  44005
  • Zero Power Resistance ohm at 25°C  3000
  • Beta 0- 50°C (K)  3891
  • Operating & Storage Temperature*  -55 -+ 90°C
  • Color Code Body  Black
  • End  Green
  • 44905
  • GSFC S-3118-P-18 Number -05S7R6
  • Basic MEAS Thermistor  44007
  • Zero Power Resistance ohm at 25°C  5000
  • Beta 0- 50°C (K)  3891
  • Operating & Storage Temperature*  -55 -+ 90°C
  • Color Code Body  Black
  • End  Violet
  • 44907
  • GSFC S-3118-P-18 Number -07S7R6
  • Basic MEAS Thermistor  44006
  • Zero Power Resistance ohm at 25°C  10K
  • Beta 0- 50°C (K)  3574
  • Operating & Storage Temperature*  -55 -+ 90°C
  • Color Code Body  Black
  • End  Blue
  • 44909
  • GSFC S-3118-P-18 Number -09S7R6
  • Basic MEAS Thermistor  44008
  • Zero Power Resistance ohm at 25°C  30K
  • Beta 0- 50°C (K)  3810
  • Operating & Storage Temperature*  -55 -+ 90°C
  • Color Code Body  Black
  • End  Gray

±0.1°C Interchangeability Tolerance 0°C – 70°C

Part Number GSFC S-3118-P-18 Number Basic MEAS Thermistor Zero Power Resistance ohm at 25°C Beta 0- 50°C (K)  Operating & Storage Temperature* Color Code Body End
44902 -02S7R6 44033 2252 3891 -55 -+ 70°C Orange Orange
44904 -04S7R6 44030 3000 3891 -55 -+ 70°C Orange Black
44906 -06S7R6 44034 5000 3891 -55 -+ 70°C Orange Yellow
44908 -08S7R6 44031 10K 3574 -55 -+ 70°C Orange Brown
44910 -010S7R6 44032 30K 3810 -55 -+ 70°C Orange Red
  • Part Number
  • 44902
  • GSFC S-3118-P-18 Number -02S7R6
  • Basic MEAS Thermistor 44033
  • Zero Power Resistance ohm at 25°C 2252
  • Beta 0- 50°C (K)  3891
  • Operating & Storage Temperature* -55 -+ 70°C
  • Color Code Body Orange
  • End Orange
  • 44904
  • GSFC S-3118-P-18 Number -04S7R6
  • Basic MEAS Thermistor 44030
  • Zero Power Resistance ohm at 25°C 3000
  • Beta 0- 50°C (K)  3891
  • Operating & Storage Temperature* -55 -+ 70°C
  • Color Code Body Orange
  • End Black
  • 44906
  • GSFC S-3118-P-18 Number -06S7R6
  • Basic MEAS Thermistor 44034
  • Zero Power Resistance ohm at 25°C 5000
  • Beta 0- 50°C (K)  3891
  • Operating & Storage Temperature* -55 -+ 70°C
  • Color Code Body Orange
  • End Yellow
  • 44908
  • GSFC S-3118-P-18 Number -08S7R6
  • Basic MEAS Thermistor 44031
  • Zero Power Resistance ohm at 25°C 10K
  • Beta 0- 50°C (K)  3574
  • Operating & Storage Temperature* -55 -+ 70°C
  • Color Code Body Orange
  • End Brown
  • 44910
  • GSFC S-3118-P-18 Number -010S7R6
  • Basic MEAS Thermistor 44032
  • Zero Power Resistance ohm at 25°C 30K
  • Beta 0- 50°C (K)  3810
  • Operating & Storage Temperature* -55 -+ 70°C
  • Color Code Body Orange
  • End Red

Note: *Thermistors with ± 0.2°C interchangeability tolerance may have short-term operating temperature excursions to 150°C. Thermistors with ± 0.1°C interchangeability tolerance may have short-term operating temperature excursions to 100°C

Features

Please review product documents or contact us for the latest agency approval information.  

Product Type Features

  • Model Number  44900 Series

  • Tolerance β-Value with unit as % (%) .3

  • Sensor Type  NTC Thermistor

Body Features

  • Wire Connection  Open End

Dimensions

  • Wire Length 76 mm [ 2.964 in ]

  • Diameter 2.4 mm [ .094 in ]

  • Length 76 mm [ 2.964 in ]

Usage Conditions

  • Ambient Temperature Range 100 °C [ 212 °F ]

  • T_ref for Resistance (°C) 25 °C

  • Temperature Accuracy (°C) ± .1 from 0 – 70

Operation/Application

  • Wire/Cladding Connection  32 AWG (.2mm) Alloy 180 Tin Plated

Packaging Features

  • Package  Epoxy Radial Discrete

Other

  • Tolerance Class  Range

Related Materials

Catalog Pages/Data Sheets

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