{"id":7477,"date":"2019-11-21T09:07:47","date_gmt":"2019-11-21T09:07:47","guid":{"rendered":"https:\/\/www.langir.com\/?page_id=7477"},"modified":"2026-03-30T08:55:45","modified_gmt":"2026-03-30T08:55:45","slug":"soldering-profiles","status":"publish","type":"page","link":"https:\/\/www.langir.com\/tr\/soldering-profiles\/","title":{"rendered":"Lehimleme Profilleri"},"content":{"rendered":"
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\u00d6NERILEN LEHIMLEME PROFILLERI<\/strong><\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n\t

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Lehimleme ko\u015fullar\u0131 montaj ve PCB parametrelerinden etkilenir. L\u00fctfen bu lehim profillerini kullan\u0131rken bu fakt\u00f6rleri g\u00f6z \u00f6n\u00fcnde bulundurun. Bunlar sadece tavsiye niteli\u011findedir ve hi\u00e7bir garanti vermemektedir.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n\t

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MLCC'LER I\u00c7IN YENIDEN AKI\u015e \/ YENIDEN I\u015eLEME SONRASI BILE\u015eEN TESTI:<\/strong><\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n\t

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Do\u011fru kapasitans de\u011feri \u00f6l\u00e7\u00fcmlerini sa\u011flamak i\u00e7in yeniden ak\u0131tma\/yeniden i\u015fleme sonras\u0131 t\u00fcm bile\u015fen testleri \u2265 24 saat sonra yap\u0131lmal\u0131d\u0131r. Kondansat\u00f6rler, seramik malzemenin s\u0131f\u0131rlanmas\u0131na (ya\u015flanmas\u0131na) izin vermek i\u00e7in en az 24 saat oda s\u0131cakl\u0131\u011f\u0131nda so\u011futulmal\u0131d\u0131r.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n\t

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MSL SEV\u0130YES\u0130<\/strong><\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n\t

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MSL (Nem Hassasiyet Seviyesi) 1'dir<\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n\t

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\u00d6NERILEN LEHIMLEME PROFILLERI (REFERANS)<\/strong><\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n\t

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Normalde, kullan\u0131c\u0131, tip, \u00fcreticinin lehimleme testi ve PCB \u00fczerindeki bile\u015fenlerin yak\u0131nl\u0131\u011f\u0131, ekipman vb. gibi fakt\u00f6rleri dikkate alarak kendi uygulamalar\u0131 i\u00e7in en uygun y\u00f6ntemi ve s\u00fcreci benimser.<\/p>\n

Ayn\u0131 kriterler kur\u015fun (Pb) i\u00e7ermeyen terminaller i\u00e7in de ge\u00e7erlidir. A\u00e7\u0131k\u00e7as\u0131, standartlar kur\u015fun (Pb) i\u00e7ermeyen montaj macunlar\u0131 ile ilgili olmal\u0131d\u0131r.<\/p>\n

Kaplama ala\u015f\u0131m\u0131n\u0131n \u00f6tektik s\u0131cakl\u0131\u011f\u0131, lehimleme i\u015flemi s\u0131cakl\u0131\u011f\u0131n\u0131n minimum s\u0131n\u0131rlar\u0131n\u0131 belirler.<\/p>\n

Minimum lehimleme s\u0131cakl\u0131\u011f\u0131 aral\u0131\u011f\u0131, kaplama ala\u015f\u0131m\u0131n\u0131n \u00f6tektik s\u0131cakl\u0131\u011f\u0131ndan en az 5 \u00b0C ila 10 \u00b0C daha y\u00fcksek olmal\u0131d\u0131r (teknik literat\u00fcre g\u00f6re).<\/p>\n

Cihazlar, lehim ba\u011flant\u0131lar\u0131n\u0131n uygun \u015fekilde \u0131slanmas\u0131n\u0131 sa\u011flamak i\u00e7in en y\u00fcksek lehimleme s\u0131cakl\u0131\u011f\u0131nda yeterince uzun s\u00fcre tutulmal\u0131d\u0131r. Ancak, cihazlar\u0131n hasar g\u00f6rme olas\u0131l\u0131\u011f\u0131n\u0131 \u00f6nlemek i\u00e7in en y\u00fcksek lehimleme s\u00fcresinin minimumda tutulmas\u0131 \u00f6nerilir (teknik literat\u00fcre g\u00f6re).<\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n\t

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\"Reflow<\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n\t

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Reflow Profillerinin S\u0131n\u0131fland\u0131r\u0131lmas\u0131<\/strong><\/td>\n<\/tr>\n
Profil \u00d6zelli\u011fi<\/strong><\/td>\nSn - Pb \u00d6tektik Tertibat\u0131<\/strong><\/td>\nKur\u015fun (Pb)-Serbest Montaj<\/strong><\/p>\n

(\u00f6rn. SnAgCu)<\/td>\n<\/tr>\n

Ortalama h\u0131zlanma oran\u0131 (T(Smax.)<\/sub> T'yeP<\/sub>)<\/td>\n3 \u00b0C\/s maksimum<\/td>\n<\/td>\n<\/tr>\n
\u00d6n \u0131s\u0131tma<\/strong><\/p>\n
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  • Minimum s\u0131cakl\u0131k (TS(min.)<\/sub>)<\/li>\n
  • Maksimum s\u0131cakl\u0131k (TS (maks.)<\/sub>)<\/li>\n
  • Zaman (TS(min.)<\/sub> T'yeS (maks.)<\/sub>) (tS<\/sub>)<\/li>\n<\/ul>\n<\/td>\n
100\u00baC<\/p>\n

150\u00baC<\/p>\n

60 sn ila 120 sn<\/td>\n

150\u00baC<\/p>\n

200\u00baC<\/p>\n

60 sn ila 180 sn<\/td>\n<\/tr>\n

Yukar\u0131da tutulan s\u00fcre <\/strong><\/p>\n
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  • Minimum s\u0131cakl\u0131k (TL (min.)<\/sub>)<\/li>\n
  • Zaman (TL<\/sub>)<\/li>\n<\/ul>\n<\/td>\n
183\u00baC<\/p>\n

60 sn ila 150 sn<\/td>\n

217\u00baC<\/p>\n

60 sn ila 150 sn<\/td>\n<\/tr>\n

Minimum tepe s\u0131cakl\u0131\u011f\u0131 (TP(min.)<\/sub>)<\/td>\n215\u00baC<\/td>\n235\u00baC<\/td>\n<\/tr>\n
\u00d6nerilen tepe s\u0131cakl\u0131\u011f\u0131 (TP<\/sub>)<\/td>\n235\u00baC<\/td>\n250\u00baC<\/td>\n<\/tr>\n
Maksimum tepe s\u0131cakl\u0131\u011f\u0131 (TP(maks.)<\/sub>)<\/td>\n260\u00baC<\/td>\n260\u00baC<\/td>\n<\/tr>\n
Ger\u00e7ek tepe s\u0131cakl\u0131\u011f\u0131n\u0131n 5\u00b0C'si i\u00e7inde kalan s\u00fcre (tP<\/sub>)<\/td>\n10 sn ila 40 sn<\/td>\n20 sn ila 40 sn<\/td>\n<\/tr>\n
Rampa a\u015fa\u011f\u0131 oran\u0131<\/td>\nMaksimum 6\u00baC\/s<\/td>\nMaksimum 6\u00baC\/s<\/td>\n<\/tr>\n
25\u00b0C'den en y\u00fcksek s\u0131cakl\u0131\u011fa kadar ge\u00e7en s\u00fcre<\/td>\nMaksimum 6 dakika<\/td>\nMaksimum 8 dakika<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\t\t<\/div>\n\t<\/div>\n\n\t
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\"Dalga<\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n\t

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Elle Lehimleme ve S\u0131cakl\u0131klar<\/strong><\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n\t

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Notlar<\/strong><\/p>\n

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  • Bu belge sadece tavsiye niteli\u011finde olmal\u0131d\u0131r. Di\u011fer parametreler de lehimlemeyi etkileyebilir, bu nedenle bu profiller mutlak ba\u015far\u0131y\u0131 garanti etmez.<\/li>\n
  • Lehimleme profili, bu belgedeki \u00f6nerilerle \u00e7eli\u015fmemek kayd\u0131yla, lehim pastas\u0131 \u00fcreticisi taraf\u0131ndan belirlenmelidir.<\/li>\n<\/ul>\n\n\t\t<\/div>\n\t<\/div>\n\n\t
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    Havya \u00d6nerilen \u00d6zellikler<\/strong><\/td>\n<\/tr>\n
    Lehimleme S\u0131cakl\u0131\u011f\u0131 (\u00b0C)<\/strong><\/td>\n\u00d6n Is\u0131tma S\u0131cakl\u0131\u011f\u0131 (\u00b0C)
    \n(bile\u015fen veya kart)<\/strong><\/td>\n    		\u00d6n Is\u0131tma S\u00fcresi (sn)<\/strong><\/td>\nMaks. Varyasyon S\u0131cakl\u0131k (\u00b0C)<\/strong><\/td>\nMaks. Lehimleme S\u00fcresi (sn)<\/strong><\/td>\nWatt<\/strong><\/td>\nU\u00e7 \u00c7ap\u0131<\/strong><\/td>\nLehimleme S\u00fcresi<\/strong><\/td>\n<\/tr>\n
    280~300<\/td>\n\u2265150\u00b0C<\/td>\n\u226560 saniye<\/td>\n\u25b3T\u2264130<\/td>\n\u22645 saniye<\/td>\n30W maks.<\/td>\n3mm Maks.<\/td>\n2~3 sn. maks.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\t\t<\/div>\n\t<\/div>\n\n
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