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National Stock Number:
5905-99-721-1215
Federal Supply Class:
5905
National Item Identification Number:
997211215
Description:
RESISTOR,FIXED,FILM
Detail:
A resistor whose ohmic value cannot be adjusted or varied. The resistance element consists of either a thin layer of conductive material, containing either binders or insulating materials, deposited on an insulated form; or an alloy of metal and ceramic materials, usually fused to an insulated form. Opposition to the flow of current is an inherent property of the materials used and is manifest by the heat dissipation in the resistor. See also ATTENUATOR, FIXED and RESISTOR, FIXED, COMPOSITION. Excludes carbon composition type resistors.
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Manufacturer Information:
| 68Z1P0RM5 | K0064 | WELWYN ELECTRONICS LTD | | FA79 | K0064 | WELWYN ELECTRONICS LTD | | PC66390-17 | K0991 | MARCONI COMMUNICATION SYSTEMS LTD | | FA79 | U1395 | WELWYN COMPONENTS LTD | | PC-66390-17 | U2248 | SELEX ELSAG LTD | | PC66390-17 | U2248 | SELEX ELSAG LTD |
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Techincal Specification:
| ELECTRICAL RESISTANCE | 680.000 OHMS | | AMBIENT TEMP IN DEG CELSIUS AT FULL RATED POWER | 40.0 | | AMBIENT TEMP IN DEG CELSIUS AT ZERO PERCENT RATED POWER | 235.0 | | BODY DIAMETER | 9.20 MILLIMETERS NOMINAL | | BODY LENGTH | 25.00 MILLIMETERS NOMINAL | | INCLOSURE METHOD | ENCASED | | POWER DISSIPATION RATING IN WATTS | 3.700 FREE AIR | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY RESISTANCE VALUE AND TOLERANCE RANGE | | RELIABILITY INDICATOR | NOT ESTABLISHED | | RESISTANCE TOLERANCE IN PERCENT | -5.000 TO 5.000 | | STYLE DESIGNATOR | AXIAL TERMINAL EACH END | | TEMP COEFFICIENT OF RESISTANCE IN PPM PER DEG CELSIUS | -500.0 TO 500.0 | | TEMP RANGE OF TEMP COEFFICIENT IN DEG CELSIUS | +20.0 TO 70.0 | | TERMINAL LENGTH | 32.00 MILLIMETERS MINIMUM | | TERMINAL TYPE | WIRE LEAD |
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