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National Stock Number:
5999-01-545-9327
Federal Supply Class:
5999
National Item Identification Number:
015459327
Description:
MOUNTING PAD,ELECTRICAL-ELECTRON
Detail:
AN ITEM FABRICATED FROM ELECTRICALLY NONCONDUCTIVE MATERIAL SPECIFICALLY DESIGNED TO PROVIDE A SUPPORT FOR MOUNTING AN ELECTRICAL AND/OR AN ELECTRONIC COMPONENT SUCH AS A SEMICONDUCTOR DEVICE, RELAY, OR RESISTOR INTO THE NEXT HIGHER ASSEMBLY. IT ISOLATES THE COMPONENT FROM THE MOUNTING SURFACE OF THE NEXT HIGHER ASSEMBLY, IT MAY ACT AS A STRAIN RELIEF TO AVOID DAMAGE TO THE COMPONENT SEAL, AND IT MAY PERMIT SOLDERING OF THE COMPONENT TO THE NEXT HIGHER ASSEMBLY WITHOUT DAMAGE. IT INCLUDES HOLES, NOTCHES, OR OTHER PROVISIONS FOR PHYSICAL ALIGNMENT AND SPACING OF ELECTRICAL LEADS AND/OR OTHER MOUNTING FACILITIES PROJECTING FROM THE COMPONENT IT MOUNTS. IT MAY ALSO AFFORD PROTECTION FROM SHOCK OR VIBRATION. IT MAY BE EITHER NONTHERMALLY CONDUCTIVE WHICH PROTECTS THE COMPONENT FROM TEMPERATURE CHANGES IN THE NEXT HIGHER ASSEMBLY OR IT MAY BE THERMALLY CONDUCTIVE WHICH PERMITS HEAT GENERATED IN THE COMPONENT TO BE DRAINED OUT TO A HEAT SINK. FOR ITEMS WHOSE FUNCTION IS ELECTRICAL INSULATION ONLY, SEE INSULATOR, (AS MODIFIED). EXCLUDES HOLDER, (AS MODIFIED); RETAINER, (AS MODIFIED), AND SPACER, PLATE.
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Manufacturer Information:
| A3279571 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR | | Q3AC-35 | 55285 | HENKEL CORPORATION |
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Techincal Specification:
| BODY STYLE | RECTANGULAR | | COLOR | BLACK | | OVERALL HEIGHT | 0.004 INCHES NOMINAL | | OVERALL LENGTH | 0.710 INCHES NOMINAL | | OVERALL WIDTH | 0.500 INCHES NOMINAL | | MATERIAL | GLASS FIBER OR PLASTIC SILICONE | | MOUNTING FACILITY TYPE AND QUANTITY | 3 BASE ALL MOUNTING FACILITIES | | SPECIAL FEATURES | MATERIALS AND FINISHES: A) CONDUCTIVE PAD SHALL BE GRAPHITE-IMBEDDED SILICONE/FIBERGLASS SHEET. COLOR BLACK. .005 + OR - .001 THK. B) ADHESIVE BACKING SHALL BE HIGH TACK PRESSURE SENSITIVE ACRYLIC, .0005-.001 THK. PEEL STRENGHT SHALL BE 100-250 GRAMS/INCH WIDTH. THERMAL PROPERTIES: A) THERMAL RESISTANCE SHALL BE .14 DEG C-INCH SQ/W IAW ASTM D5470. B) THERMAL CONDUCTIVITY SHALL BE 1.6W/M-K IAW ASTM D5470. |
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