www.littelfuse.com axial and radial lead fuses subminiature pico ? fuse very fast-acting fuse 275/276 series electrical characteristics: % of ampere rating ampere rating opening time 100% 1/16-30 4 hours, minimum 200% 1/16-10 5 second, maximum 12-30 10 seconds, maximum agency approvals: recognized under the components program of underwriters laboratories and certi ed by csa. agency file numbers: ul e10480, csa lr 29862. interrupting ratings: 300 amperes at rated vdc 50 amperes at rated vac environmentalspecifications: operating temperature: ?5? to 125?. shock: mil-std-202, method 213, test condition i (100 g s peak for 6 milliseconds) and per method 2028 (78 g? peak for 11 millseconds). vibration: mil-std-202, method 204a; test condition d (vibra- tions of 10-2000 cps at 20 g?). insulation resistance (after opening): mil-std-202, method 302, test condition a (1/2 megohm minimum). moisture resistance: mil-std-202, method 106. physicalspecifications: materials: solder-coated copper leads. r solderability: mil-std-202, method 208. lead pull force: mil-std-202, method 211, test condition a (will withstand a 5 lb. axial pull test). variations in design: picofuses which differ from the stan- dard versions as presented on this page can be provided for a commercial or military use. one such design version is where the picofuse terminates at one end of a pin for use as a single or multi-pin connector. extreme accuracy in blowing time at 300% or more of rating, makes these picofuses suitable for use in circuits where sequential switching or redundancy may be required. the small size of the fuse, its non-hygroscopic characteristic and in nitesimal weight makes it the ideal fuse for micro-electronic circuits. patented average time current curves 100 10 1 0.1 0.01 0.001 1/16a 0.05 0.1 1 10 100 1000 1/8a 1/4a 3/8a 1/2a 3/4a 1a 1 1/2a 2a 2 1/2a 3a 3 1/2a 4a 5a 7a 10a 12a 15a time in seconds current in amperes 1 1/4a 20a 25a 30a
www.littelfuse.com axial and radial lead fuses subminiature pico ? fuse very fast-acting fuse 275/276 part number axial leads radial leads ampere rating voltage rating average cold resistance in ohms 275. 062 276. 062 1/16 125 7.0000 275 .125 276 .125 1/8 125 2.1800 275 .250 276 .250 1/4 125 0.7400 275 .375 276 .375 3/8 125 0.4300 275 .500 276 .500 1/2 125 0.2800 275 .750 276 .750 3/4 125 0.1640 275 001 276 001 1 125 0.1260 275 01.5 276 01.5 1-1/2 125 0.0810 275 002 276 002 2 125 0.0550 275 02.5 276 02.5 2-1/2 125 0.0420 275 003 276 003 3 125 0.0360 275 03.5 276 03.5 3-1/2 125 0.0275 275 004 276 004 4 125 0.0220 275 005 276 005 5 125 0.0140 275 007 276 007 7 125 0.0100 275 010 276 010 10 125 0.0060 275 012 276 012 12 32 contact littelfuse 275 015 276 015 15 32 0.0040 275 020 276 020 20 32 contact littelfuse 275 025 276 025 25 32 contact littelfuse 275 030 276 030 30 32 contact littelfuse 3/4 a 3/4 a transparent insulating sleeve transparent insulating sleeve b b a a c dia. c dia. b 275 000 series 276 000 series amperage 7.11 (.28") 1/16 - 10 12 - 15 20 - 30 7.11 (.28") 7.87 (.31") 38.1 (1.50") 38.1 (1.50") 38.1 (1.50") 2.36 (.093") 2.36 (.093") 3.38 (.133") 8.33 (.328") 9.12 (.359") 10.72 (.422") d .635 (.025") .812 (.032") 1.016 (.040") e e b c d a e dimensions in mm (inches) ordering information:
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