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National Stock Number:
5905-01-347-2705
Federal Supply Class:
5905
National Item Identification Number:
013472705
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 1.29 OHMS .5% | 91637 | VISHAY DALE ELECTRONICS, LLC | | NH250-1.29OHM0.5PCT | 91637 | VISHAY DALE ELECTRONICS, LLC |
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Techincal Specification:
| ELECTRICAL RESISTANCE | 1.290 OHMS | | AMBIENT TEMP AT FULL RATED POWER | 25.0 CELSIUS | | AMBIENT TEMP IN DEG CELSIUS AT ZERO PERCENT RATED POWER | 275.0 | | BODY HEIGHT | 2.157 INCHES MINIMUM AND 2.219 INCHES MAXIMUM | | BODY LENGTH | 4.469 INCHES MINIMUM AND 4.531 INCHES MAXIMUM | | BODY WIDTH | 2.094 INCHES MINIMUM AND 2.156 INCHES MAXIMUM | | CUBIC MEASURE | 20.923 CUBIC INCHES | | DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH | 3.865 INCHES MINIMUM AND 3.885 INCHES MAXIMUM | | FEATURES PROVIDED | MOUNTING HARDWARE | | HEAT SINK LENGTH | 12.000 INCHES | | HEAT SINK THICKNESS | 0.125 INCHES | | HEAT SINK WIDTH | 12.000 INCHES | | INCLOSURE TYPE | ENCASED | | MATERIAL | ALUMINUM ALLOY HEAT SINK | | MOUNTING HOLE SIZE | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM | | POWER DISSIPATION RATING IN WATTS | 250.000 FREE AIR | | RESISTANCE TOLERANCE IN PERCENT | -0.500 TO 0.500 | | RELIABILITY INDICATOR | NOT ESTABLISHED | | STYLE DESIGNATOR | AXIAL TERMINAL (S) | | TEMP COEFFICIENT OF RESISTANCE IN PPM PER DEG CELSIUS | -50.0 TO 50.0 | | TEMP RANGE OF TEMP COEFFICIENT IN DEG CELSIUS | -55.0 TO 275.0 | | TERMINAL LENGTH | 1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM | | TERMINAL TYPE | THREADED STUD |
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