39 surface mount fuses subminiature surface mount & dip types flat-pak ? slo-blo ? fuse nominal nominal catalog catalog 1 ampere voltage resistance melting i 2 t number number rating rating cold ohms a 2 sec. 203 .250 203 .250g 1/4 250 1.36 0.0126 203 .500 203 .500g 1/2 250 0.433 0.112 203 .750 203 .750g 3/4 250 0.158 0.327 203 001 203 001g 1 250 0.0755 0.328 203 01.5 203 01.5g 1 1 / 2 250 0.0390 0.850 203 002 203 002g 2 250 0.0345 1.70 203 02.5 203 02.5g 2 1 / 2 250 0.0237 2.87 203 003 203 003g 3 250 0.0197 4.40 203 004 203 004g 4 250 0.0148 8.75 203 005 203 005g 5 250 0.0124 14.7 1 smf fuse marking includes the letter g next to the series number indicating gull-wing. .372" .250" .165" .021" .400" .135" .012" 6 o 203 flat- pak l f t 2a 250 v pat 4563666 dip configuration (thru-hole) mounting .372" .250" .165" 203g flat- pak l f t 2a 250 v pat 4563666 smf configuration ("gull wing" surface mount) .060" .003" .055" .600" .674 .160 .454 .11 0 recommended pad layout reference dimensions: 100 10 1 0.01 0.001 1000 100 10 1 0.1 0.05 1/4a 1/2a 3/4a 1a 1 1/2a 2 a 2 1/2a 3a 4a 5a time in seconds current in amperes .1 average time current curves ordering information fast-acting and slo-blo ? fuse versions of the flat-pak fuse designs are available. both designs are available in either a gull-wing surface mount package or a dip configuration for through-hole mounting. these fuse designs feature a 250 vac rating in a low profile, rectangular package. electrical characteristics: % of ampere opening rating time 100% 4 hours, min imum 200% 1 second, min imum 30 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 rating: 50 amperes at 250 vac. environmental specification: operating temperature: C55c to 125c. physical specifications: materials: body: thermoplastic terminations: tin/lead plated copper soldering parameters: wave solder 260c, 3 seconds maximum. reflow solder 215c, 30 seconds maximum. solderability: mil-std-202, method 208. cleaning: board washable in most common solvents. packaging specifications: smf fuses 24mm tape and reel per eia-rs481 (iec 286, part 3); 500 per reel. dip fuses antistatic magazine, 100 per magazine. patented ? ?
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