247 ? 2009 littelfuse, inc. specications are subject to change without notice. axial lead & cartridge fuses 2ag > fast-acting > 208 series 208 series please refer to www.littelfuse.com/series/208.html for current information. 208 series agency agency file number ampere range e10480 125ma - 10a ps e nbk200405-e10480 c/d nbk060405-e10480 e/f 1a - 5a 6a - 10a 125ma - 10a 208 series lead-free 2ag, fast-acting fuse littelfuse 208 series (2ag) 350v fast-acting fuses are available in cartridge form or with axial leads. this series provides the same performance characteristics as its 3ag counterpart, while occupying one-third the space. sleeved fuses are available. agency approvals 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 lead 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% ) p v s t
min. 135% ) p v s
max. 200% 1 second, max. amp code amp rating voltage rating interrupting rating nominal cold resistance (ohms) nominal melting i 2 t (a 2 sec) agency approvals ps e .125 0.125 350 100a @ 350v ac 3.900 0.00286 x x .250 0.250 350 1.150 0.0300 x x .375 0.375 350 0.395 0.171 x x .500 0.500 350 0.265 0.365 x x .750 0.750 350 0.152 1.050 x x 001. 1.0 350 0.103 2.220 x x x 01.5 1.5 350 0.0712 0.800 x x x 002. 2.0 350 0.0497 1.50 x x x 02.5 2.5 350 0.0372 2.68 x x x 003. 3.0 350 0.0317 4.62 x x x 03.5 3.5 350 0.0265 6.70 x x x 004. 4 350 0.0240 9.40 x x x 005. 5 350 0.0186 17.00 x x x 006. 6 350 0.0154 22.10 x x x 007. 7 350 0.0130 40 x x x 008. 8 350 0.0107 56 x x x 010. 10 350 0.0075 116 x x x electrical characteristic specications by item t & m f d u s j d b m c b m m b t u t v t f e j o y v p s f t d f o u m j h i u j o h b o e p u i f s applications ps e description revised: april 1, 2010
introduction to circuit protection introduction to circuit protection transientology 248 ? 2009 littelfuse, inc. specications are subject to change without notice. axial lead & cartridge fuses 2ag > fast-acting > 208 series 208 series please refer to www.littelfuse.com/series/208.html for current information. average time current curves 100 10 1 0.1 0.01 0.001 0.1 1 10 100 100 0 1/8a 1/10a 1/4a 3/8a 1/2a 3/4a 1a 1 1/2a 2a 2 1/2a 3a 4a 5a 6a 7a 8a 10a time in seconds current in amperes soldering parameters - wave soldering temperature rerating curve 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 50 60 70 80 90 100 110 120 130 1 4 0 150 160 170 180 190 200 210 220 230 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 reow process. recommended process parameters:
249 ? 2009 littelfuse, inc. specications are subject to change without notice. axial lead & cartridge fuses 2ag > fast-acting > 208 series 208 series please refer to www.littelfuse.com/series/208.html for current information. 208 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 marks operating temperature: C55oc to 125oc. 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 ? $
for 240 hours salt spray . * - 4 5 % (
. f u i p e %
5 f t u $ p o e j u j p o # packaging option packaging specication quantity quantity & packaging code taping width 208 series bulk n/a 1000 mx n/a bulk n/a 1000 mxe n/a 3 f f m b o e 5 b q f & * " & 1500 % 3 5 t1=52mm (2.062) packaging 208 000p series 208 000ep series 4.7 (.184") 14.48 (.57") 14.48 (.57") 4.7 (.184") .635 (.025") 38.1 (1.50") typ. part numbering system 0208 m x e p xxxx option codes lead-free packaging code quantity code current rating code series blank = cartridge type fuse e = axial leaded fuse x = loose pack m = 1000 refer to amp code column of electrical characteristics table
introduction to circuit protection introduction to circuit protection transientology 2 5 0 ? 2009 littelfuse, inc. specications are subject to change without notice.
|
