axial lead and cartridge fuses 397 www.littelfuse.com subminiature glass body 2ag slo-blo fuse 229/230 series 1000 100 10 1 0.1 0.01 0.1 1 10 100 1000 1/4a 3/8a 1/2a 3/4a 1a 1 1/2a 2a 2 1/2a 3a 3 1/2a 4a 5a 7a time in seconds current in amperes average time current curves the 2ag slo-blo fuses are available in cartridge form or with axial leads. axial leaded fuses are board washable. 2ag fuses provide the same performance characteristics as their 3ag counterpart, while occupying one-third the space. sleeved fuses are available. electrical characteristics: % of ampere opening rating time 100% 4 hours, min imum 135% 1 hour, max imum 200% 3 seconds, min imum 20 seconds, max imum agency approvals: listed by underwriters laboratories and certified by csa through 3.5 amperes. recognized under the components program of underwriters laboratories from 4 through 7 amperes. 1 through 7 amperes approved by meti. agency file numbers: ul e10480, csa lr 29862. interrupting ratings: 0.25?.5a 10,000 amperes at 125vac 4?a 400 amperes at 125vac 0.25?a 35 amperes at 250vac 1.25?.5a 100 amperes at 250vac packaging options: 230 series available on tape and reel per eia-296. for 1500 pieces per reel, add packaging suffix drt1w. see page 8 for pitch dimensions. 229 and 230 series available in bulk pack- aging. for 1000 pieces bulk, add packaging suffix m. 229 000 series 230 000 series 4.5 (.177") 14.48 (.57") 14.48 (.57") 4.7 (.184") 0.635 (.025") 38.1 (1.50") typ. axial lead material: solder coated copper. u l ordering information: cartridge axial lead nominal nominal catalog catalog ampere voltage resistance melting i 2 t number number rating rating cold ohms a 2 sec. 229 .250 230 .250 1/4 250 2.41 0.216 229 .350 230 .350 .350 250 1.30 0.490 229 .375 230 .375 3/8 250 0.580 229 .500 230 .500 1/2 250 0.688 1.16 229 .600 230 .600 6/10 250 0.477 1.75 229 .750 230 .750 3/4 250 0.340 2.95 229 .800 230 .800 8/10 250 0.304 3.45 229 001 230 001 1 250 5.64 229 1.25 230 1.25 1 1 / 4 250 0.145 9.80 229 01.5 230 01.5 1 1 / 2 250 0.107 15.0 229 002 230 002 2 250 0.0692 30.0 229 2.25 230 2.25 2 1 / 4 250 0.0562 39.0 229 02.5 230 02.5 2 1 / 2 250 0.0498 50.0 229 003 230 003 3 250 0.0380 77.0 229 03.5 230 03.5 3 1 / 2 250 0.0310 110.0 229 004 230 004 4 125 0.0256 148.0 229 005 230 005 5 125 0.0185 267.0 229 006 230 006 6 125 0.0140 380.0 229 007 230 007 7 125 0.0115 464.0 11 axial lead and cartridge fuses
axial lead and cartridge fuses 398 www.littelfuse.com subminiature glass body 2ag slo-blo ? fuse 229/230 series our standard 229 and 230 series slo-blo ? fuses meet the demanding requirements of the telecom industry. these fuses combine conventional overcurrent protection with the ability to withstand high cur- rent, short duration pulses. these fuses comply with the short circuit requirements of ul 1459 for telephone equipment. insulating sleeve option available. we have characterized these fuses for the telecom industry requirements as shown below. electrical characteristics: short circuit capabilities: ul 60950 (ul 1459 included): 60a, 600vac 40a, 600vac 7a, 600vac 2.2a, 600vac ? meets ul 497 specifications peak withst and current (lp): these fuses will withstand 50 repetitions of a doub le e xponential impulse w a ve having peak currents (lp) and peak voltages as listed. surge withstand specifications car tridg e axial lead 10 x 160 10 x 560 10 x 1000 catalog catalog ampere micr osec. micr osec. microsec. number number rating 1500v 800v 1000v 229 .250 230 .250 1/4 23.0a 16.6a 12.4a 229 .350 230 .350 .350 34.0a 25.8a 19.3a 229 .375 230 .375 3/8 40.0a 25.4a 19.0a 229 .500 230 .500 1/2 60.0a 37.7a 28.2a 229 .600 230 .600 6/10 71.0a 47.2a 35.3a 229 .750 230 .750 3/4 91.0a 65.5a 49.0a 229 .800 230 .800 8/10 104.0a 68.9a 51.6a 229 001 230 001 1 130.0a 88.6a 66.3a 229 1.25 230 1.25 1 1 / 4 1 162.0a 118.1a 100.0a 1 500a peak, 2500v , 2 x 10 microseconds, 20 repetitions. the 2ag indicating slo-blo ? fuse instantly identifies itself upon o pening by showing a discoloration of its glass body. guesswork and time consuming circuit testing are eliminated. this unique design offers the same quality performance characteristics as the standard 2ag fuse design. * when ordering the 2ag indicating slo-blo fuse, an is required after the catalog number. example: -1a indicating slo-blo ? fuse = 230 001s indicating slo-blo ? fuse environmental specifications: operating temperature: C5?to 125?. shock: mil-std-202, method 213, test condition i (100 gs peak for 6 milliseconds). vibration: mil-std-202, method 201 (10C5 hz, 0.06 inches total excursion). salt spray: mil-std-202 method 101, test condition b (48 hours). insulation resistance (after opening): mil-std-202, method 302, test condition b. resistance to soldering heat: (axial leaded fuses): mil-std-202, method 210a, test condition b (260, 3 seconds). thermal shock: mil-std-202, method 107, test condition b (C5?to 125?) moisture resistance: mil-std-202, method 106 (90-98% rh, 65). solderability: (axial leaded fuses): mil-std-202, method 208. physical specifications: materials: glass body, nickel-plated brass fuse caps. (insulating sleeve option available). soldering parameters: w a v e solder 500 f (260), 3 seconds max. reflow solder not recommended. 2ag 229 /230 series general specifications 2ag special surge withstand axial lead part number: 220 003 (0.35a) electrical characteristics: amperes opening time 0.35a 4 hours, min imum 0.6a 90 seconds, max imum 2.0a 2 seconds, max imum 6.0a 0.5 second, max imum interrupting ratings: same as 230 series. lightning surge withstand capability: 25 amperes peak, 800v , 10 x 560 microseconds . patented ref er to page 50 f or other surge withstand fuses . slo-blo ? t ype ? u l
|
