255 ? 2009 littelfuse, inc. specifications are subject to change without notice. axial lead & cartridge fuses 2ag > fast acting > 224/225 series 224/225 series please refer to www.littelfuse.com/series/224.html or /225.html for current information. 224/225 series 224/225 series lead-free 2ag, fast-acting the 2ag fast-acting fuses are available in cartridge form or with axial leads. 2ag fuses provide the same performance characteristics as their 3ag counterpart, while occupying one-third the space. sleeved fuses are available. agency approvals agency agency file number ampere range e10480 375ma - 3.5a e10480 4a - 10a lr 29862 375ma - 10a ps e nbk200405-e10480 nbk060405-e10480 cartridge: 1a - 10a pigtail: 1a - 10a 375ma - 10a features electrical characteristics for series t * o b d d p s e b o d f with underwriters laboratories standard ul 248-14 t " w b j m b c m f j o d b s u s j e h f and axial lead form and with various forming dimensions t 3 p ) 4 d p n q m j b o u b o e lead-free applications % of ampere rating opening time 100% 4 hours, minimum 135% 1 hour, maximum 200% 1 sec., maximum amp code ampere rating (a) voltage rating (v) interrupting rating nominal cold resistance (ohms) nominal melting i 2 t (a 2 sec) agency approvals ? ps e .375 0.375 250 35a@250vac 10ka@125vac 10ka@125vdc 0.3950 0.171 x x x .500 0.5 250 0.2650 0.365 x x x .750 0.75 250 0.1520 1.050 x x x 001. 1 250 0.1027 2.220 x x x x 01.5 1.5 250 0.0712 0.800 x x x x 002. 2 250 100a@250vac 10ka@125vac 10ka@125vdc 0.0497 1.500 x x x x 02.5 2.5 250 0.0372 2.680 x x x x 003. 3 250 0.0317 4.620 x x x x 03.5 3.5 250 0.0265 6.700 x x x x 004. 4 125 100a@250vac 500a@125vac 0.0240 9.400 xxxx 005.5125 0.018617.0 xxxx 005. 5 250 0.0186 17.0 x x x 006. 6 125 500a@125vac 0.0154 22.1 xxxx 007. 7 125 0.0130 40.0 xxxx 008. 8 125 0.0107 56.0 xxxx 010. 10125 0.0075116.0 xxxx electrical characteristic specifications by item used as supplementary protection in appliance or utilization equipment to provide individual protection for components or internal circuits. ps e description * 10a with 500a @ 125 vdc internal breaking capacity testing. revised: march 2, 2011
introduction to circuit protection introduction to circuit protection transientology 256 ? 2009 littelfuse, inc. specifications are subject to change without notice. axial lead & cartridge fuses 2ag > fast acting > 224/225 series 224/225 series please refer to www.littelfuse.com/series/224.html or /225.html for current information. average time current curves temperature rerating curve 100 10 1 0.1 0.01 0.001 0.1 1 10 100 1000 .375a .500a .750a 1.00a 1.50a 2.00a 2.50a 3a 4a 5a 6a 7a 8a 10a time in seconds current in amperes soldering parameters - wave soldering dwell t ime 0 20 4 0 60 80 100 120 1 4 0 160 180 200 220 2 4 0 260 280 300 0 10 20 30 4 0 5 0 60 70 80 90 100 110 120 130 1 4 0 1 5 0 160 170 180 190 200 210 220 230 2 4 0 t ime (seconds) t emperature (c) - measured on bottom side of board cooling t ime preheat t ime wave parameter lead-free recommendation preheat: (depends on flux activation temperature) 5 z q j d b m * o e v t u s z 3 f d p n n f o e b u j p o
temperature minimum: 100 c temperature maximum: 150 c preheat time: 60-180 seconds solder pot temperature: 260 c maximum solder dwell time: 2-5 seconds recommended hand-solder parameters: 4 p m e f s * s p o 5 f n q f s b u v s f ? $ ? $ ) f b u j o h 5 j n f t f d p o e t n b y note: these devices are not recommended for ir or convection reflow process. recommended process parameters:
257 ? 2009 littelfuse, inc. specifications are subject to change without notice. axial lead & cartridge fuses 2ag > fast acting > 224/225 series 224/225 series please refer to www.littelfuse.com/series/224.html or /225.html for current information. 224/225 series product characteristics dimensions materials body : glass cap : nickelCplated brass leads: tinCplated copper terminal strength . * - 4 5 % ' . f u i p e "
test condition a solderability 3 f g f s f o d f * & $ 4 f d p o e & e j u j p o 2003-01 annex a product marking cap1 : brand logo, current and voltage ratings cap2 : series and agency approval mark operating temperature: o ? $ u p ? $ thermal shock: . * - 4 5 % '
. f u i p e (
5 f t u $ p o e j u j p o # $ z d m f t ? $ u p ? $
vibration . * - 4 5 % '
. f u i p e " humidity . * - 4 5 % ' . f u i p e #
5 f t u $ p o e j u j p o " ) j h i 3 )
b o e f m f w b u f e u f n q ? $
g p s 240 hours salt spray . * - 4 5 % ' . f u i p e %
5 f t u $ p o e j u j p o # 225 000p series 224 000p series 4.5 (.177") 14.48 (.57") 14.48 (.57") 4.7 (.184") .635 (.025") 38.1 (1.50") typ. part numbering system 0224 m x p xxxx lead-free packaging code quantity code amp code series x = filler m = 1000 refer to amp code column of electrical characteristics table note: the ratings from 4a to 10a with mxup in the suffix
introduction to circuit protection introduction to circuit protection transientology 258 ? 2009 littelfuse, inc. specifications are subject to change without notice. axial lead & cartridge fuses 2ag > fast acting > 224/225 series 224/225 series please refer to www.littelfuse.com/series/224.html or /225.html for current information. packaging packaging option packaging specification quantity quantity & packaging code taping width 224 series bulk / " 1000 mx / " bulk / " 100 ) 9 / " reel and tape & * " & 1500 drt1 t1=52mm (2.062) 225 series bulk / " 1000 mx / " bulk / " 100 ) 9 / "
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