223 ? 2009 littelfuse, inc. specications are subject to change without notice. axial lead & cartridge fuses 265/266/267 series please refer to www.littelfuse.com/series/265.html / 266.html/or /267.html for current information. pico ? > very fast acting > 265/266/267 series 265/266/267 265/266/267 series, pico ? , very fast-acting fuse (high-reliability) description the 265/266/267 series are highCreliability pico ? fuses, that are very fast-acting, with an insulating sleeve. these fuses provide supplemental protection in end- use equipment to provide protection for components or internal circuits. they are not suitable for branch or feeder circuit use. the military version of the 265 series (except 1/16 ampere rating) is available in fm08a on qpl for mil-prf-23419/8. to order, change 265 to 267. agency approvals agency agency file number ampere range e10480 062ma - 15a lr 29862 062ma - 10a fm08a 062ma - 10a features electrical characteristics % of ampere rating ampere rating opening time 100% 1/16C15 4 hours, min. 200% 1/16C7 1 second, max. 10 3 second, max. 15 10 second, max. ampere rating (a) amp code max voltage rating (v) interrupting rating nominal cold resistance (ohms) agency approvals qpl 0.062 .062 125 300 amperes at rated voltage v dc 50 amperes at rated voltage v ac 7.0000 xxx 0.125 .125 125 2.1000 xxx 0.250 .250 125 0.7100 xxx 0.375 .375 125 0.4200 xxx 0.500 .500 125 0.2800 xxx 0.750 .750 125 0.1700 xxx 1. 0 0 001. 125 0.1250 xxx 1.50 01.5 125 0.0800 xxx 2.00 002. 125 0.0550 xxx 2.50 02.5 125 0.0420 xxx 3.00 003. 125 0.03515 xxx 4.00 004. 125 0.0230 xxx 5.00 005. 125 0.0140 xxx 7. 0 0 007. 125 0.0100 xxx 10.0 010. 125 0.00645 xxx 15.0 015. 32 0.0040 xxx electrical characteristics t . j m j u b s z h s b e f b w b j m b c m f t 3 p ) 4 d p n q m j b o u t " w b j m b c m f g s p n n " to 15a t " w b j m b c m f j o b y j b m b o e radial leaded t " w b j m b c m f j o n j o j b u v s f and subminiature formats qpl qp l revised: february 6, 2010
introduction to circuit protection introduction to circuit protection transientology 224 ? 2009 littelfuse, inc. specications are subject to change without notice. axial lead & cartridge fuses 265/266/267 series please refer to www.littelfuse.com/series/265.html / 266.html/or /267.html for current information. pico ? > very fast acting > 265/266/267 series average time current curves 100 10 1 0.1 0.01 0.001 10 100 1000 0.1 1 time in seconds current in amperes 1/16a 1/8a 1/4a 3/8a 1/2a 3/4a 1a 1 1/2a 2a 2 1/2a 3a 4a 5a 7a 10a 15a temperature rerating curve soldering parameters\ 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) (typical industry recommendation) temperature minimum: 100 c temperature maximum: 150 c preheat time: 60-180 seconds solder pot temperature: 280 c maximum solder dwell time: 2-5 seconds recommended hand-solder parameters: solder iron temperature: 350 c +/- 5c heating time: 5 seconds max. note: these devices are not recommended for ir or convection reow process. recommended process parameters: note: 1. derating depicted in this curve is in addition to the standard derating of 25% for continuous operation.
225 ? 2009 littelfuse, inc. specications are subject to change without notice. axial lead & cartridge fuses 265/266/267 series please refer to www.littelfuse.com/series/265.html / 266.html/or /267.html for current information. pico ? > very fast acting > 265/266/267 series 265/266/267 materials body: white thermoplastic gold-plated copper leads, type ii weight .32 grams solderability mil-std-202, method 208 lead pull force mil-std-202, method 211, test condition a (will withstand a 5 lbs. axial pull test) aql (electrical characteristics): certied to 1% aql sampling per mil-std-105, inspection level ii. traceability and identication records: controlled by lot number and retained on le for a minimum of three years. copies of lot certication test data available when requested with order options special screening tests, burn-in, etc. can be supplied on special order to meet specic requirements. for information on higher current ratings, contact littelfuse. 267 series fuses are offered with optional solder coated leads. to order, enter xt as the end sufx (see part numbering system section) product characteristics operating temperature C55oc to +125oc shock mil-std-202, method 213, test condition i (100 gs peak for 6 milliseconds). vibration mil-std-202, method 201 (10C55 hz); mil-std-202, method 204, test condition c (55C2000 hz at 10 gs peak) salt spray mil-std-202, method 101, test condition b seal test mil-std-202, method 112, test condition a insulation resistance (after opening) mil-std-202, method 302, test condition a (1/2 megohm minimum) thermal shock mil-std-202, method 107, test condition b (C65c to 125 c). moisture resistance mil-std-202, method 106 fuses to mil spec 265 series (except 1/16 ampere rating) is available in fm08a on qpl for mil-prf-23419/8. to order, change 265 to 267 3/ 4 a 3/ 4 a transparent insulating sleeve transparent insulating sleeve (1.50") (1.50") 7.11 (.28") 7.11 (.28") 2.36 (.093") dia. 2.36 (.093") dia. 90 8.38 (.33) (note 1) 37.33 (1.47") (note 1: 9.14 (.36") for 15 amp rating) 26 5 000 series 266 000 series 38.1 38.1 dimensions packaging packaging option quantity quantity & packaging code bulk pack 5 v part numbering system 0267 xxxx v xt quantity & packaging code lead option code amp code series refer to amp code column of electrical characteristics t able v = (all series) 5 quantity bulk pack blank = (all series) standard lead x t = (267 series only) solder coated lead option
introduction to circuit protection introduction to circuit protection transientology 226 ? 2009 littelfuse, inc. specications are subject to change without notice.
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