44900 Series

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 S311-P18 document. All S311-P18 lead options wire options available.

Technical Data

Key Specifications

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

Testing

Requalification includes the following tests referenced in MIL-PRF-23648
Short time load
Thermal shock
Insulation resistance
Resistance to soldering heat
Low-temperature storage
High-temperature storage
Dissipation constant
Thermal time constraint
Terminal strength
Moisture resistance
High-temperature exposure
Medium-impact shock
Immersion

Product Configurations

Product Description	Marketing Part Number	Internal Part Number	Lead Wire Length	Resistance (at 25°C)	β-Value(25/85)	Tolerance β-Value	Operating Temperature Range
44901 THERM GSFC 311P18-01S7R6	095800	11026886-00	76 mm	2.252 kΩ	3987 K	±0.8 %	-55 – 90 °C
44902 THERM GSFC 311P18-02S7R6	095801	11026887-00	76 mm	2.252 kΩ	3987 K	±0.4 %	-55 – 70 °C
44903 THERM GSFC 311P18-03S7R6	095802	11028351-00	76 mm	3 kΩ	3987 K	±0.8 %	-55 – 90 °C
44905 THERM GSFC 311P18-05S7R6	095804	11026149-00	76 mm	5 kΩ	3987 K	±0.8 %	-55 – 90 °C
44907 THERM GSFC 311P18-07S7R6	095806	11026889-00	76 mm	10 kΩ	3694 K	±0.8 %	-55 – 90 °C
44908 THERM GSFC 311P18-08S7R6	095807	11028352-00	76 mm	10 kΩ	3694 K	±0.4 %	-55 – 70 °C
44909 THERM GSFC 311P18-09S7R6	095808	11029759-00	76 mm	30 kΩ	3943 K	±0.8 %	-55 – 90 °C
44910 THERM GSFC 311P18-10S7R6	095809	11026265-00	76 mm	30 kΩ	3943 K	±0.4 %	-55 – 70 °C
44901X GSFC 311P18-01T101	SP44901X-1	SP44901X-1	1000 mm	2.252 kΩ	3987 K	±0.8 %	-55 – 90 °C
44901X GSFC 311P18-01A76R	SP44901X-15	SP44901X-15	760 mm	2.252 kΩ	3987 K	±0.8 %	-55 – 90 °C
44901X GSFC 311P18-01A101	SP44901X-18	SP44901X-18	1000 mm	2.252 kΩ	3987 K	±0.8 %	-55 – 90 °C
44901X GSFC 311P18-01A64R	SP44901X-24	10201644-00	640 mm	2.252 kΩ	3987 K	±0.8 %	-55 – 90 °C
44901X GSFC 311P18-01T76R	SP44901X-3	SP44901X-3	760 mm	2.252 kΩ	3987 K	±0.8 %	-55 – 90 °C
44901X GSFC 311P18-01A7R6	SP44901X-6	SP44901X-6	76 mm	2.252 kΩ	3987 K	±0.8 %	-55 – 90 °C
44902X GSFC 311P18-02A7R6	SP44902X-10	SP44902X-10	76 mm	2.252 kΩ	3987 K	±0.4 %	-55 – 70 °C
44902X GSFC 311P18-02A101	SP44902X-16	SP44902X-16	1000 mm	2.252 kΩ	3987 K	±0.4 %	-55 – 70 °C
44903X GSFC 311P18-03A76R	SP44903X-12	SP44903X-12	760 mm	3 kΩ	3987 K	±0.8 %	-55 – 90 °C
44903X GSFC 311P18-03A7R6	SP44903X-13	SP44903X-13	760 mm	3 kΩ	3987 K	±0.8 %	-55 – 90 °C
44903X GSFC 311P18-03T7R6	SP44903X-2	SP44903X-2	76 mm	3 kΩ	3987 K	±0.8 %	-55 – 90 °C
44904X GSFC 311P18-04A16R	SP44904X-10	SP44904X-10	160 mm	3 kΩ	3987 K	±0.4 %	-55 – 70 °C
44904X GSFC 311P18-04A101	SP44904X-8	SP44904X-8	1000 mm	3 kΩ	3987 K	±0.4 %	-55 – 70 °C
44904X GSFC 311P18-04A60R	SP44904X-9	SP44904X-9	600 mm	3 kΩ	3987 K	±0.4 %	-55 – 70 °C
44905X GSFC 311P18-05T101	SP44905X-13	SP44905X-13	1000 mm	5 kΩ	3987 K	±0.8 %	-55 – 90 °C
44905X GSFC 311P18-05A76R	SP44905X-15	SP44905X-15	760 mm	5 kΩ	3987 K	±0.8 %	-55 – 90 °C
44905X GSFC 311P18-05A7R6	SP44905X-16	SP44905X-16	76 mm	5 kΩ	3987 K	±0.8 %	-55 – 90 °C
44905X GSFC 311P18-05A101	SP44905X-17	SP44905X-17	1000 mm	5 kΩ	3987 K	±0.8 %	-55 – 90 °C
44905X GSFC 311P18-05A20R	SP44905X-19	SP44905X-19	200 mm	5 kΩ	3987 K	±0.8 %	-55 – 90 °C
44905X GSFC 311P18-05A45R	SP44905X-21	SP44905X-21	450 mm	5 kΩ	3987 K	±0.8 %	-55 – 90 °C
44905X GSFC 311P18-05S76R	SP44905X-23	SP44905X-23	760 mm	5 kΩ	3987 K	±0.8 %	-55 – 90 °C
44905X GSFC 311P18-05S101	SP44905X-24	SP44905X-24	1000 mm	5 kΩ	3987 K	±0.8 %	-55 – 90 °C
44905X GSFC 311P18-05T7R6	SP44905X-5	SP44905X-5	76 mm	5 kΩ	3987 K	±0.8 %	-55 – 90 °C
44907X GSFC 311P18-07T101	SP44907X-10	SP44907X-10	1000 mm	10 kΩ	3694 K	±0.8 %	-55 – 90 °C
44907X GSFC 311P18-07T76R	SP44907X-14	SP44907X-14	760 mm	10 kΩ	3694 K	±0.8 %	-55 – 90 °C
44907X GSFC 311P18-07S101	SP44907X-22	SP44907X-22	1000 mm	10 kΩ	3694 K	±0.8 %	-55 – 90 °C
44907X GSFC 311P18-07A7R6	SP44907X-23	SP44907X-23	76 mm	10 kΩ	3694 K	±0.8 %	-55 – 90 °C
44907X GSFC 311P18-07A45R	SP44907X-27	SP44907X-27	450 mm	10 kΩ	3694 K	±0.8 %	-55 – 90 °C
44907X GSFC 311P18-07A30R	SP44907X-29	SP44907X-29	300 mm	10 kΩ	3694 K	±0.8 %	-55 – 90 °C
44907X GSFC 311P18-07T30R	SP44907X-3	SP44907X-3	300 mm	10 kΩ	3694 K	±0.8 %	-55 – 90 °C
44907X GSFC 311P18-07A101	SP44907X-30	SP44907X-30	1000 mm	10 kΩ	3694 K	±0.8 %	-55 – 90 °C
44907X GSFC 311P18-07A31R	SP44907X-31	SP44907X-31	310 mm	10 kΩ	3694 K	±0.8 %	-55 – 90 °C
44907X GSFC 311P18-07S40R	SP44907X-32	SP44907X-32	400 mm	10 kΩ	3694 K	±0.8 %	-55 – 90 °C
44907X GSFC 311P18-07A76R	SP44907X-33	SP44907X-33	760 mm	10 kΩ	3694 K	±0.8 %	-55 – 90 °C
44907X GSFC 311P18-07A20R	SP44907X-34	SP44907X-34	200 mm	10 kΩ	3694 K	±0.8 %	-55 – 90 °C
44907X GSFC 311P18-07T16R	SP44907X-36	SP44907X-36	160 mm	10 kΩ	3694 K	±0.8 %
44907X GSFC 311P18-07A61R	SP44907X-40	SP44907X-40	610 mm	10 kΩ	3694 K	±0.8 %	-55 – 90 °C
44907X GSFC 311P18-07A41R	SP44907X-43	SP44907X-43	410 mm	10 kΩ	3694 K	±0.8 %	-55 – 90 °C
44907X GSFC 311P18-07A80R	SP44907X-45	SP44907X-45	800 mm	10 kΩ	3694 K	±0.8 %	-55 – 90 °C
44907X GSFC 311P18-07A56R	SP44907X-46	10214287-00	56 mm	10 kΩ	3694 K	±0.8 %	-55 – 90 °C
44907X GSFC 311P18-07T7R6	SP44907X-8	SP44907X-8	76 mm	10 kΩ	3694 K	±0.8 %	-55 – 90 °C
44908X GSFC 311P18-08T15R	SP44908X-11	SP44908X-11	150 mm	10 kΩ	3694 K	±0.4 %	-55 – 70 °C
44908X GSFC 311P18-08T7R6	SP44908X-12	SP44908X-12	76 mm	10 kΩ	3694 K	±0.4 %	-55 – 70 °C
44908X GSFC 311P18-08T101	SP44908X-15	SP44908X-15	1000 mm	10 kΩ	3694 K	±0.4 %	-55 – 70 °C
44908X GSFC 311P18-08A7R6	SP44908X-19	SP44908X-19	76 mm	10 kΩ	3694 K	±0.4 %	-55 – 70 °C
44908X GSFC 311P18-08T30R	SP44908X-2	SP44908X-2	300 mm	10 kΩ	3694 K	±0.4 %	-55 – 70 °C
44908X GSFC 311P18-08T50R	SP44908X-20	SP44908X-20	500 mm	10 kΩ	3694 K	±0.4 %	-55 – 70 °C
44908X GSFC 311P18-08A76R	SP44908X-23	SP44908X-23	760 mm	10 kΩ	3694 K	±0.4 %	-55 – 70 °C
44908X GSFC 311P18-08A30R	SP44908X-24	SP44908X-24	300 mm	10 kΩ	3694 K	±0.4 %	-55 – 70 °C
44908X GSFC 311P18-08A101	SP44908X-26	SP44908X-26	1000 mm	10 kΩ	3694 K	±0.4 %	-55 – 70 °C
44909X GSFC 311P18-09T76R	SP44909X-12	SP44909X-12	760 mm	30 kΩ	3943 K	±0.8 %	-55 – 90 °C
44909X GSFC 311P18-09A7R6	SP44909X-16	SP44909X-16	76 mm	30 kΩ	3943 K	±0.8 %	-55 – 90 °C
44909X GSFC 311P18-09A101	SP44909X-18	SP44909X-18	1000 mm	30 kΩ	3943 K	±0.8 %	-55 – 90 °C
44909X GSFC 311P18-09A15R	SP44909X-22	SP44909X-22	150 mm	30 kΩ	3943 K	±0.8 %	-55 – 90 °C
44909X GSFC 311P18-09T101	SP44909X-7	SP44909X-7	1000 mm	30 kΩ	3943 K	±0.8 %	-55 – 90 °C
44909X GSFC 311P18-09T7R6	SP44909X-8	SP44909X-8	76 mm	30 kΩ	3943 K	±0.8 %	-55 – 90 °C
44910X GSFC 311P18-10A101	SP44910X-14	SP44910X-14	1000 mm	30 kΩ	3943 K	±0.4 %	-55 – 70 °C
44910X GSFC 311P18-10T101	SP44910X-8	SP44910X-8	1000 mm	30 kΩ	3943 K	±0.4 %	-55 – 70 °C