43 axial lead and cartridge fuses subminiature pico ii slo-blo type fuse the pico ii slo-blo fuse combines time delay performance characteristics with the proven reliability of a pico fuse. electrical characteristics: % of ampere opening rating time 100% 4 hours, min imum 200% 1 second, min.; 60 seconds, max. 300% 0.2 second, min.; 3 seconds, max. 800% 0.02 second, min.; 0.1 second, max . agency approvals: recognized under the components program of underwriters laboratories and certified by csa. approved by miti from 1 through 5 amperes. agency file numbers: ul e10480, csa lr 29862. interrupting rating: 50 amperes at 125 vdc/vac environmental specifications: operating temperature: 55 c to 125 c. shock: mil-std-202, method 213, test condition i (100 g s peak for 6 milliseconds). vibration: mil-std-202, method 201 (10 55 hz); mil-std-202, method 204, test condition c (55 2000 hz at 10 g s peak). salt spray: mil-std-202, method 101, test condition b. insulation resistance (after opening): mil-std-202, method 302, (10,000 ohms minimum at 100 volts). resistance to soldering heat: mil-std-202, method 210, test condition c (20 sec at 260 c). thermal shock: mil-std-202, method 107, test condition b ( 65 c to 125 c). moisture resistance: mil-std-202, method 106 (90 98% rh), heat (65 c). physical specifications: materials: encapsulated, epoxy-coated body; solder coated copper wire leads. soldering parameters: wave solder 260 c, 3 seconds maximum. solderability: mil-std-202, method 208. lead pull force: mil-std-202, method 211, test condition a (will withstand a 10 lb. axial pull test). packaging specifications: tape and reel per eia-296; t1: 2.062" (52.4mm) taped spacing; 4,000 per reel. patented ordering information: 1000 100 10 1 0.1 0.01 1000 100 10 1 0.1 .375a .50a .75a 1.0a 1.5a 2.0a 2.5a 3.0a 3.5a 4.0a 5.0a 7.0a time in seconds current in amperes nominal nominal catalog ampere voltage resistance melting i 2 t number rating rating cold ohms a 2 sec. 473 .375 3/8 125 1.74 0.0850 473 .500 1/2 125 1.13 0.210 473 .750 3/4 125 0.460 0.760 473 001 1 125 0.267 2.01 473 01.5 1 1 / 2 125 0.116 3.94 473 002 2 125 0.0712 7.60 473 2.25 2 1 / 4 125 0.0630 9.28 473 02.5 2 1 / 2 125 0.0520 13.0 473 003 3 125 0.0380 21.0 473 03.5 3 1 / 2 125 0.0240 26.8 473 004 4 125 0.0194 35.0 473 005 5 125 0.0133 54.8 473 007 7 125 0.0092 105.0 average time current curves f l 1 a 1.5" 1.5" .280" ref. .025" dia. .125" dia. ref.
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