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National Stock Number:
5905-00-101-1485
Federal Supply Class:
5905
National Item Identification Number:
001011485
Description:
RESISTOR,FIXED,WIRE WOUND
Detail:
INC 37404 REINSTATED ON 010303~A resistor whose ohmic value cannot be adjusted or varied. The resistance element consists of high resistance wire (or ribbon) either wound on an insulated form or constructed so as to be self-supporting. The items must have inherent characteristics of inducing little or no self-inductance. Opposition to current flow is an inherent property of the resistance wire and is manifested by the heat dissipation in the resistor. Excludes SUPPRESSOR, IGNITION INTERFERENCE. See also RESISTOR (1), FIXED, WIRE WOUND, INDUCTIVE.
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Manufacturer Information:
| NH-250 .499 0HM 1% | 91637 | VISHAY DALE ELECTRONICS, LLC | | NH-250 .499 OHM 1% | 91637 | VISHAY DALE ELECTRONICS, LLC | | NH250.5P0RM1% | 91637 | VISHAY DALE ELECTRONICS, LLC | | NH250X000ER4990F | 91637 | VISHAY DALE ELECTRONICS, LLC | | NH250X00FR5000H | 91637 | VISHAY DALE ELECTRONICS, LLC |
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Techincal Specification:
| ELECTRICAL RESISTANCE | 0.499 OHMS | | AMBIENT TEMP AT FULL RATED POWER | 25.0 CELSIUS | | AMBIENT TEMP IN DEG CELSIUS AT ZERO PERCENT RATED POWER | 275.0 | | BODY HEIGHT | 2.188 INCHES NOMINAL | | BODY LENGTH | 4.500 INCHES NOMINAL | | BODY WIDTH | 2.125 INCHES NOMINAL | | DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH | 3.875 INCHES NOMINAL | | HEAT SINK LENGTH | 12.000 INCHES | | HEAT SINK WIDTH | 12.000 INCHES | | HEAT SINK THICKNESS | 0.125 INCHES | | INCLOSURE TYPE | ENCASED | | MATERIAL | ALUMINUM ALLOY HEAT SINK | | MOUNTING HOLE SIZE | 0.188 INCHES NOMINAL | | POWER DISSIPATION RATING IN WATTS | 100.000 FREE AIR | | RELIABILITY INDICATOR | NOT ESTABLISHED | | RESISTANCE TOLERANCE IN PERCENT | -1.000 TO 1.000 | | STYLE DESIGNATOR | AXIAL TERMINAL (S) | | TEMP COEFFICIENT OF RESISTANCE IN PPM PER DEG CELSIUS | -90.0 TO 90.0 | | TEMP RANGE OF TEMP COEFFICIENT IN DEG CELSIUS | -55.0 TO 275.0 | | TERMINAL LENGTH | 1.250 INCHES NOMINAL | | TERMINAL TYPE | THREADED STUD |
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