? 2012 littelfuse, inc. speci?cations are subject to change without notice. revised: december 6, 2012 axial lead & cartridge fuses 32 5 /326 series 3ab > time lag > 325/326 series please refer to www.littelfuse.com/series/325.html or /326.html for current information. 325/326 series lead-free 3ab, slo-blo ? fuse the 3ab slo-blo ? fuse with ceramic body construction permits higher interrupting ratings and voltage ratings. ideal for applications where high current loads are expected. agency approvals agency agency file number ampere range e10480 250ma - 10a e10480 12a - 30a lr 29862 250ma - 30a ps e nbk 030805- e10480a-f/ nbk 260106- jp1021a/b 1a - 30a su05001-5010 su05001-5011 su05001-5012 su05001-7005 2.5a - 3.2a/ 7a - 20a 10ma - 30a features applications electrical characteristics for series % of ampere rating ampere rating opening time 100% 100ma C 30a 4 hours, minimum 135% 100ma C 30a 1 hour, maximum 200% 100ma C 3.2a 5 sec., min., 30 sec., max. 4a C 30a 5 sec., min., 60 sec., max. ? in accordance with ul standard 248-14 ? available in cartridge and axial lead format and with various forming dimensions ? rohs compliant and lead-free used as supplementary protection in appliance or utilization equipment to provide individual protection for components or internal circuits. ps e description
? 2012 littelfuse, inc. speci?cations are subject to change without notice. revised: december 6, 2012 axial lead & cartridge fuses 32 5 /326 series 3ab > time lag > 325/326 series please refer to www.littelfuse.com/series/325.html or /326.html for current information. 325/326 series 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 .010 0.01 250 100a@250vac 3324.8000 0.00148 x .031 0.031 250 332.5000 0.0110 x .062 0.062 250 91.7000 0.0276 x .100 0.1 250 33.5500 0.0870 x .125 0.125 250 22.4500 0.100 x .150 0.15 250 15.4500 0.143 x .175 0.175 250 8.9200 0.220 x .187 0.187 250 7.7250 0.230 x .200 0.2 250 6.7700 0.213 x .250 0.25 250 100a@250vac 10ka@125vac 10ka@125vdc 4.4300 0.432 x x x .300 0.3 250 3.2200 0.690 x x x .375 0.375 250 2.1550 1.20 x x x .400 0.4 250 1.9350 1.33 x x x .500 0.5 250 1.3000 2.50 x x x .600 0.6 250 0.9495 3.90 x x x .700 0.7 250 0.7215 6.42 x x x .750 0.75 250 0.6410 7.00 x x x .800 0.8 250 0.5725 8.20 x x x 001. 1 250 0.3890 16.3 x x x x 01.2 1.2 250 0.2860 22.0 x x x x 1.25 1.25 250 0.2680 24.0 x x x x 01.5 1.5 250 0.1975 40.1 x x x x 01.6 1.6 250 0.1760 45.0 x x x x 002. 2 250 0.1210 80.0 x x x x 02.5 2.5 250 0.0835 136.0 x xxxx 02.8 2.8 250 0.0695 170.0 x xxxx 003. 3 250 0.0605 200.0 x xxxx 03.2 3.2 250 100a@250vac 10ka@125vac 0.0539 214.0 x xxxx 004. 4 250 400a@250vac 10ka@125vac 0.0761 9.71 x x x x 005. 5 250 0.0522 25.0 x x x x 6.25 6.25 250 0.0346 60.4 x x x x 007. 7 250 0.0227 47.3 x xxxx 008. 8 250 0.0193 67.1 x xxxx 010. 10 250 0.0132 137 x xxxx 012. 12 250 400a@250vac 10ka@125vac 600a@125vdc 0.0067 129 x x x x x 012.* 12 250 1500a@250vac 0.0011 445 x x x 015. 15 250 400a@250vac 10ka@125vac 600a@125vdc 0.0050 245 x x x x x 015.* 15 250 1500a@250vac 0.0083 760 x x x 020. 20 250 400a@250vac 10ka@125vac 600a@125vdc 0.0034 575 x x x x x 020.* 20 250 1500a@250vac 0.0042 2500 xx x 025. 25 250 400a@250vac 10ka@60vdc 600a@125vdc 0.0024 1030 x x x x 030. 30 250 0.0019 1690 x x x x electrical characteristic speci?cations by item *higher i 2 t version available. please add suf?x d to part numbers. for instance, 0325020.mxdp , 0326020.mxdp i 2 t test at 10x rated current.
? 2012 littelfuse, inc. speci?cations are subject to change without notice. revised: december 6, 2012 axial lead & cartridge fuses 32 5 /326 series 3ab > time lag > 325/326 series please refer to www.littelfuse.com/series/325.html or /326.html for current information. average time current curves 1000 100 10 1 0.1 0.01 10 current in amperes time in seconds 100 1000 0.1 1 0.05 5.0a 4.0a 3.5a 3.0a 2.5a 2.0a 1.5a 1.0a .750a .500a .375a 20.0a 15.0a 12.0a 10.0a 8.0a 7.0a 6.25a 30.0a 25.0a temperature rerating curve soldering parameters - wave soldering dwell t ime 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 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: 260 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 re?ow process. recommended process parameters:
? 2012 littelfuse, inc. speci?cations are subject to change without notice. revised: december 6, 2012 axial lead & cartridge fuses 32 5 /326 series 3ab > time lag > 325/326 series please refer to www.littelfuse.com/series/325.html or /326.html for current information. 325/326 series materials body: ceramic cap: nickelCplated brass leads: tinCplated copper terminal strength mil-std-202g, method 211a, test condition a solderability reference iec 60127 second edition 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 mil-std-202g, method 107g, test condition b:(5 cycles - 65oc to 125oc) vibration: mil-std-202g, method 201a humidity mil-std-202g, method 103b, test condition a: high rh (95%) and elevated temperature(40oc) for 240 hours salt spray mil-std-202g, method 101d, test condition b product characteristics packaging 326 000p series (cartridge) 32 5 000p series (axial leaded) 6.3 5 0.3 (.2 5 ") 32.721.12 (1.288") 31.7 5 1.12 (1.2 5 ") 6.98 5 0.3 (.27 5 ") axial lead diameter: 0.810.05 (.032") for (0.01a - 15a) 1.020.06 (.040") for (20a - 30a) axial lead length: 38.13.15 (1.50") typ . axial lead material: tin-coated copper packaging option packaging speci?cation quantity quantity & packaging code taping width 32 5 series bulk n/a 1000 mx n/a bulk n/a 100 hx n/a 326 series bulk n/a 1000 mx n/a bulk n/a 100 hx n/a part numbering system 0325 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 dimensions measurements displayed in millimeters (inches)
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