NSN 5905-00-478-4939 TM1-8 3R9K, TM183R9K, 334813
Product Details | THERMAL RESISTOR
5905-00-478-4939 A thermally sensitive resistor whose primary function is to exhibit a change in electrical resistance with a change in body temperature. Item may be mounted in a probe or housing. For ballast tube type resistors, see RESISTOR (1), CURRENT REGULATING. Excludes TRANSMITTER (1), TEMPERATURE, ELECTRICAL RESISTANCE and TEMPERATURE ELEMENT, RESISTANCE METEOROLOGICAL.
Part Alternates: TM1-8 3R9K, TM183R9K, 334813, 334-813, 5905-00-478-4939, 00-478-4939, 5905004784939, 004784939
Electrical and Electronic Equipment Components | Resistors
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 13 JAN 1971 | 00-478-4939 | 00309 ( RESISTOR, THERMAL ) |
Drawings & Photos | NSN 5905-00-478-4939
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Technical Data | NSN 5905-00-478-4939
| Characteristic | Specifications |
|---|---|
| ZERO POWER RESISTANCE | 3.900 KILOHMS |
| ZERO POWER RESISTANCE TOLERANCE IN PERCENT AT REFERENCE TEMP | -10.0 TO 10.0 |
| MAXIMUM POWER DISSIPATION RATING | 500.00 MILLIWATTS |
| AMBIENT TEMP AT FULL RATED POWER | 25.0 DEG CELSIUS |
| MAXIMUM OPERATING TEMP | 125.0 DEG CELSIUS |
| THERMAL TIME CONSTANT IN SECONDS | 60.0 |
| POWER DISSIPATION CONSTANT IN MILLIWATTS PER DEG CELSIUS | 5.0 |
| ZERO POWER TEMP COEFFICIENT OF RESISTANCE IN PERCENT PER DEG CELSIUS | 0.55 |
| TEMP POINTS FOR RESISTANCE READINGS AT ZERO POWER | -55.0 DEG CELSIUS 1ST RESISTANCE-TEMPERATURE POINT -15.0 DEG CELSIUS 2ND RESISTANCE-TEMPERATURE POINT 0.0 DEG CELSIUS 3RD RESISTANCE-TEMPERATURE POINT 50.0 DEG CELSIUS 4TH RESISTANCE-TEMPERATURE POINT 75.0 DEG CELSIUS 5TH RESISTANCE-TEMPERATURE POINT 100.0 DEG CELSIUS 6TH RESISTANCE-TEMPERATURE POINT 125.0 DEG CELSIUS 7TH RESISTANCE-TEMPERATURE POINT |
| ZERO POWER RESISTANCE AT SPECIFIED TEMP | 2.0 KILOHMS 1ST RESISTANCE-TEMPERATURE POINT 2.8 KILOHMS 2ND RESISTANCE-TEMPERATURE POINT 3.3 KILOHMS 3RD RESISTANCE-TEMPERATURE POINT 4.7 KILOHMS 4TH RESISTANCE-TEMPERATURE POINT 5.5 KILOHMS 5TH RESISTANCE-TEMPERATURE POINT 6.5 KILOHMS 6TH RESISTANCE-TEMPERATURE POINT 7.6 KILOHMS 7TH RESISTANCE-TEMPERATURE POINT |
| RESISTANCE TOLERANCE AT A SPECIFIED TEMP IN PERCENT | -20.0 TO 20.0 1ST RESISTANCE-TEMPERATURE POINT -14.0 TO 14.0 2ND RESISTANCE-TEMPERATURE POINT -12.0 TO 12.0 3RD RESISTANCE-TEMPERATURE POINT -12.0 TO 12.0 4TH RESISTANCE-TEMPERATURE POINT -14.0 TO 14.0 5TH RESISTANCE-TEMPERATURE POINT -17.0 TO 17.0 6TH RESISTANCE-TEMPERATURE POINT -20.0 TO 20.0 7TH RESISTANCE-TEMPERATURE POINT |
| STYLE DESIGNATOR | 15 ROD |
| BODY LENGTH | 0.410 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 0.140 INCHES NOMINAL |
| INCLOSURE TYPE | ENCAPSULATED |
| TERMINAL TYPE AND QUANTITY | 2 WIRE LEAD |
| TERMINAL LENGTH | 1.250 INCHES MINIMUM |
| TERMINAL DIAMETER | 0.025 INCHES NOMINAL |
| RELIABILITY INDICATOR | NOT ESTABLISHED |
Restrictions/Controls & Freight Information | NSN 5905-00-478-4939
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| NMF Description | 062960 | REOSTATS/PARTS NOI |
| Less than car load rating | P | 77.5 |
| Less than truck load rating | P | 77.5 |
| Water commodity Code | 658 | unknown |
| Originating Activity Code | TX | Defense Supply Center Columbus Columbus, OH 43218 |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | H | Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |