ceramic body axial lead and cartridge fuses 3ab slo-blo fuse 325/326/390 series 399 www.littelfuse.com 11 axial lead and cartridge fuses ceramic body construction permits higher interrupting ratings and volt- age ratings. ideal for applications where high current loads are expected. electrical characteristics: % of ampere ampere opening rating rating time 110% 1/100 30 4 hours, min imum 135% 1/100 30 1 hour, max imum 200% 1/100 3.2 5 sec., min. ; 30 sec. max. 4 30 5 sec., min. ; 60 sec. max. agency approvals: listed by underwriters laboratories from 1/4 through 10 amperes. certified by csa from 1/4 through 30 amperes. recognized under the component program of underwriters laboratories for 12-30a. agency file numbers: ul e10480, csa lr 29862. fuses to mil spec: see f03b cartridge type in military section. patented interrupting rating: 0.010 - 20a 10,000a @ 125 vac 25 - 30a 400a @ 125 vac 0.010 - 3.2a 100a @ 250 vac 4 - 20a 400a @ 250 vac ordering information: 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 cartridge axial lead nominal nominal catalog catalog ampere voltage resistance melting i 2 t number number rating rating cold ohms a 2 sec. 326 .010 325 .010 1/100 250 3300 .0000 0.00148 326 .031 325 .031 1/32 250 330 . 0.0110 326 .062 325 .062 1/16 250 91.0 0.0276 326 .100 325 .100 1/10 250 33.3 0.0870 326 .125 325 .125 1/8 250 22.3 0.100 326 .150 325 .150 15/100 250 15.3 0.143 326 .175 325 .175 .175 250 8.84 0.220 326 .187 325 .187 3/16 250 7.67 0.230 326 .200 325 .200 2/10 250 6.72 0.213 326 .250 325 .250 1/4 250 4.40 0.432 326 .300 325 .300 3/10 250 3.20 0.690 326 .375 325 .375 3/8 250 2.14 1.20 326 .400 325 .400 4/10 250 1.92 1.33 326 .500 325 .500 1/2 250 1.29 2.50 326 .600 325 .600 6/10 250 0.940 3.90 326 .700 325 .700 7/10 250 0.716 6.42 326 .750 325 .750 3/4 250 0.636 7.00 326 .800 325 .800 8/10 250 0.568 8.20 326 001 325 001 1 250 0.386 16.3 326 01.2 325 01.2 1 2 / 10 250 0.284 22.0 326 1.25 325 1.25 1 1 / 4 250 0.266 24.0 326 01.5 325 01.5 1 1 / 2 250 0.196 40.1 326 01.6 325 01.6 1 6 / 10 250 0.175 45.0 326 002 325 002 2 250 0.120 80.0 326 02.5 325 02.5 2 1 / 2 250 0.0830 136.0 326 02.8 325 02.8 2 8 / 10 250 0.0690 170.0 326 003 325 003 3 250 0.0600 200.0 326 03.2 325 03.2 3 2 / 10 250 0.0535 214.0 326 004 325 004 4 250 0.0755 9.71 326 005 325 005 5 250 0.0518 25.0 326 6.25 325 6.25 6 1 / 4 250 0.0343 60.4 326 007 325 007 7 250 0.0225 47.3 326 008 325 008 8 250 0.0191 67.1 326 010 325 010 10 250 0.0131 137.0 326 012 325 012 12 250 0.0066 129.0 326 015 325 015 15 250 0.0049 245.0 326 020 325 020 20 250 0.0033 575.0 326 025 325 025 25 125 0.0024 1030.0 326 030 325 030 30 125 0.0019 1690.0 average time current curves 326 000 series 325 000 series 6.35 (.25") 32.385 (1.275") 31.75 (1.25") 6.985 (.275") 38.1 (1.50") typ. axial lead material: solder coated copper. 1 100 / 0.813 (.032") ( -15a) 1.016 (.040") (20 -30a) u l qpl
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