32 surface mount fuses surface mount 0603 very fast-acting thin-film type 431 series super-small size saves valuable board space while provid- ing high power density. ideal for circuit protection of disk drives, pcmcia cards and cellular phones. electrical characteristics: % of ampere opening rating time at 25 c 100% 4 hours, min imum 200% 5 seconds, max imum 300% 0.2 seconds, max imum agency approvals: recognized under the components program of underwriters laboratories and certified by csa. agency file numbers: ul e10480, csa lr 29862. interrupting ratings: .25 C1a 50 amperes at 32 vac/vdc 1C 5a 35 amperes at 32 vac/vdc environmental specifications: operating temperature: C 55c to 125c. vibration: withstands 10-55 hz per mil-std-202f, method 201a and 10-2000 hz at 20 gs per mil-std-202f, method 204d, condition d. insulation resistance (after opening): greater than 500,000 ohms. resistance to soldering heat: withstands 60 seconds above 200c up to 260c, maximum. thermal shock: withstands 5 cycles of C50c to 125c. physical specifications: materials: body: epoxy substrate terminations: copper/nickel/tin-lead (95/5) cover coat: conformal coating soldering parameters: wave solder 260c, 10 seconds maximum reflow solder 260c, 30 seconds maximum packaging specifications: 8mm tape and reel per eia-rs481 (iec 286, part 3); 5,000 per reel, add packaging suffix, nr. patented ordering information: nominal nominal catalog ampere voltage resistance voltage drop melting i 2 t number rating rating cold ohm 1 (v) 2 (a 2 sec.) 431 .250 1/4 32 0.375 0.130 0.0030 431 .375 3/8 32 0.265 0.084 0.0053 431 .500 1/2 32 0.193 0.120 0.0087 431 .750 3/4 32 0.114 0.110 0.0171 431 001 1 32 0.072 0.100 0.0210 431 01.5 1 1 / 2 32 0.048 0.082 0.0696 431 002 2 32 0.036 0.077 0.104 431 02.5 2 1 / 2 32 0.028 0.089 0.175 431 003 3 32 0.023 0.080 0.198 431 03.5 3 1 / 2 32 0.019 0.090 0.265 431 004 4 32 0.017 0.100 0.420 431 005 5 32 0.013 0.107 0.600 1 measured at 10% of rated current, 25c. 2 measured at 100% of rated current, 25c. 10 current in amperes time in seconds 100 0.1 1 0.05 0.001 0.01 0.1 1 1.5a 1a .75a .5a .375a .25a 2a 2.5a 3a 3.5a 4a 5a 0.063" ?.005 0.014" ?.005 0.015" ?.001 0.031" ?.004 0.018" ?.003 r 0.008" 0.017"ref. 0.041" ?.010 .000 reflow solder wave solder 0.043" 0.040" 0.040" 0.030" 0.043" 0.043" 0.126" 0.100" reference dimensions: average time current curves
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