{"id":29703,"date":"2020-02-28T11:26:57","date_gmt":"2020-02-28T16:26:57","guid":{"rendered":"http:\/\/workbench.a2hosted.com\/fair-rite\/?page_id=29703"},"modified":"2021-10-02T11:51:28","modified_gmt":"2021-10-02T15:51:28","slug":"storage-operating-conditions","status":"publish","type":"page","link":"https:\/\/workbench.a2hosted.com\/fair-rite\/storage-operating-conditions\/","title":{"rendered":"Storage and Operating Conditions"},"content":{"rendered":"

Storage and Operating Conditions<\/span><\/h1>\n<\/div>
<\/div><\/div><\/div><\/div><\/div>

Suppression Components<\/span><\/h3>\n<\/div>
\n

Board Components<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n
EMI Suppression Beads<\/td>\n1<\/strong> & 3<\/strong><\/td>\n<\/tr>\n
Beads on Leads<\/td>\n4<\/strong><\/td>\n<\/tr>\n
PC Beads<\/td>\n4<\/strong><\/td>\n<\/tr>\n
Wound Beads<\/td>\n4<\/strong><\/td>\n<\/tr>\n
SM Beads (differential)<\/td>\n4<\/strong><\/td>\n<\/tr>\n
SM Beads (common)<\/td>\n4<\/strong><\/td>\n<\/tr>\n
Multi Aperture<\/td>\n1<\/strong> & 3<\/strong><\/td>\n<\/tr>\n
Chip<\/td>\n5<\/strong><\/td>\n<\/tr>\n
Flex Sheets<\/td>\n6<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
<\/div><\/div><\/div>
\n

Cable Components<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n
Round Cable EMI Suppression Cores<\/td>\n1<\/strong> & 3<\/strong><\/td>\n<\/tr>\n
Round Cable Snap-Its<\/td>\n2<\/strong><\/td>\n<\/tr>\n
Flat Cable EMI Suppression Cores<\/td>\n1<\/strong><\/td>\n<\/tr>\n
Flat Cable Snap-Its<\/td>\n2<\/strong><\/td>\n<\/tr>\n
Connector Plates<\/td>\n1<\/strong><\/td>\n<\/tr>\n
Miscellaneous<\/td>\n1<\/strong> & 3<\/strong><\/td>\n<\/tr>\n
Flat Cable Core Clips<\/td>\nN\/A<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
<\/div><\/div><\/div><\/div>

Power and Inductive<\/span><\/h3>\n<\/div>
\n

Closed Magnetic Circuit<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
Toroids<\/td>\n7<\/strong> & 8<\/strong><\/td>\n<\/tr>\n
Pot Cores<\/td>\n7<\/strong><\/td>\n<\/tr>\n
E Cores<\/td>\n7<\/strong><\/td>\n<\/tr>\n
EFD Cores<\/td>\n7<\/strong><\/td>\n<\/tr>\n
ETD Cores<\/td>\n7<\/strong><\/td>\n<\/tr>\n
EER Cores<\/td>\n7<\/strong><\/td>\n<\/tr>\n
Planar Cores<\/td>\n7<\/strong><\/td>\n<\/tr>\n
PQ Cores<\/td>\n7<\/strong><\/td>\n<\/tr>\n
RM Cores<\/td>\n7<\/strong><\/td>\n<\/tr>\n
U Cores<\/td>\n7<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
<\/div><\/div><\/div>
\n

Open Magnetic Circuit<\/strong><\/p>\n\n\n\n\n\n
Rods<\/td>\n7<\/strong> & 8<\/strong><\/td>\n<\/tr>\n
Antenna Rods<\/td>\n7<\/strong> & 8<\/strong><\/td>\n<\/tr>\n
Bobbins<\/td>\n7<\/strong> & 8<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
<\/div><\/div><\/div><\/div>
<\/div>
<\/div>
<\/div>

Ferrites cores are very robust when it comes to temperature, they cannot “physically” be changed unless the temperature goes above 1000\u00baC, they however can crack with fast temperature changes ( > 1\u00baC\/sec.) : “Thermal Shock”. Curie temperature is a material specific characteristic, above which the ferrite loses its magnetic properties, once the temperature returns to below Curie the magnetic properties return.<\/strong><\/p>\n

1) <\/span>For Suppression components that do not have plastic cases, coatings or conductors:<\/h3>\n

Storage Temperature: <\/strong>-55\u00ba to +125\u00baC<\/p>\n

Operating Temperature: <\/strong>-55\u00ba to +125\u00baC. performance typically derates per the\u00a0 material specific Impedance vs. Temperature curves.<\/p>\n

2) <\/span>For Suppression components associated with plastic cases:<\/h3>\n

Storage Temperature:<\/strong>0\u00ba to +85\u00baC<\/p>\n

Operating Temperature:<\/strong> 0\u00ba to +85\u00baC performance typically derates per the\u00a0 material specific Impedance vs. Temperature curves. The constraint is the plastic cases, above +85\u00baC the plastic softens and can deform, below 0\u00baC. the plastic can become brittle and crack when opened and closed.<\/p>\n

3) <\/span>For Suppression components with conformal coatings:<\/h3>\n

Storage Temperature: \u00a0<\/strong>-55\u00ba to +90\u00baC<\/p>\n

Operating Temperature: <\/strong>-55\u00ba to +90\u00baC performance typically derates per the\u00a0 material specific Impedance vs. Temperature curves. For thermo-set plastic coating (green or white)\u00a0 above +105\u00baC the coating softens and can becomes tacky. For Parylene coating (transparent)\u00a0 the suggested operating temperature range is \u00a0-55\u00ba to +90\u00baC<\/p>\n

4)<\/span> For Suppression components with conductors:<\/h3>\n

Storage Temperature:<\/strong> -55\u00ba to +125\u00baC, RH < 55%, suggested shelf life is one year, solderability should be evaluated for longer periods.<\/p>\n

Operating Temperature:<\/strong> -55\u00ba to +125\u00baC. performance typically derates per the\u00a0 material specific Impedance vs. Temperature curves. For the unisulated conductors as supplied by Fair-Rite there is no further constraint, for customer supplied conductors the operating constraint is dependent on the wire insulation temperature rating.<\/p>\n

5)<\/span>\u00a0For Multi Layer Chip Beads:<\/h3>\n

Storage Temperature:<\/strong>\u00a0 -55\u00ba to +125\u00baC, RH < 55%, shelf life\u00a0 is one year, solderability should be evaluated for longer periods. (-10\u00ba to +40\u00baC is recommended for maximizing shelf life)<\/p>\n

Operating Temperature:<\/strong> -55\u00ba to +125\u00baC.<\/p>\n

6) <\/span>For Flexible Ferrite Sheets :<\/h3>\n

Storage Temperature:<\/strong> -40\u00ba to +85\u00baC, suggested shelf life is one year; however shelf life may be extended by storage at 22 – 25\u00baC and 45-55% RH avoiding light and dust.<\/p>\n

Operating Temperature:<\/strong> -40\u00ba to +85\u00baC performance typically derates per the\u00a0 material specific Permeability vs. Temperature curves. The constraint is the PET film and Adhesive Tape layers<\/p>\n

7)<\/span>\u00a0For Inductive and Power components that do not have coatings or conductors :<\/h3>\n

Storage Temperature :<\/strong> -55\u00ba to +125\u00baC<\/p>\n

Operating Temperature:<\/strong> -55\u00ba to +125\u00baC. performance typically derates per the\u00a0 material specific Permeabilty vs. Temperature or Power Loss vs. Temperature curves.<\/p>\n

8)<\/span> For Inductive and Power components with conformal coatings:<\/h3>\n

Storage Temperature:<\/strong> -55\u00ba to +90\u00baC<\/p>\n

Operating Temperature:<\/strong> -55\u00ba to +90\u00baCperformance typically derates per the\u00a0 material specific Permeabilty vs. Temperature or Power Loss vs. Temperature curves. For thermo-set plastic coating (green or white)\u00a0 above +105\u00baC the coating softens and can becomes tacky. For parylene coating (transparent)\u00a0 the suggested operating temperature range is -55\u00ba to +90\u00baC.<\/p>\n

9)<\/span> For Inductive and Power components with conductors:<\/h3>\n

Storage Temperature:<\/strong> -55\u00ba to +125\u00baC, RH < 55%, suggested shelf life is one year, solderability should be evaluated for longer periods.<\/p>\n

Operating Temperature:<\/strong> -55\u00ba to +125\u00baC. performance typically derates per the\u00a0 material specific Permeabilty vs. Temperature or Power Loss vs. Temperature curves.\u00a0 For customer supplied conductors the operating constraint is dependent on the wire insulation temperature rating.<\/p>\n<\/div>

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