485 series fuse description the 485 nano 2 fuse series is a small, fast acting, surface mount ceramic fuse rated at a remarkable 600vdc at its small size and with 100a breaking capacity. it is primarily designed for circuit protection in high energy applications. this product is fully compatible with lead-free solders alloys and higher temperature profles associated with lead- free assembly. agency approvals agency agency file number ampere range e10480 500 m a C 3.15a features electrical characteristics for series ? fast acting / surface mount high fuse for high voltage (up to 600vdc) applications. ? fully compatible with lead-free solder alloys and higher temperature profles associated with lead-free assembly. ? relatively high breaking capacity at 100a. ? rohs compliant / halogen free ? rating - 0.5 - 3.15 amperes. % of ampere rating opening time at 25oc 100% 4 hours, minimum 200% 60 seconds, maximum applications ampere rating (a) amp code max. voltage rating (v) interrupting rating nominal cold resistance (ohms) nominal melting i 2 t (a 2 sec.) agency approvals 0.5 .500 600 100a @ 250v ac 100a @ 600v dc 0.807 0.0354 p 1 1 600 0.264 0.3044 x 1. 5 1. 5 600 0.123 0.3917 x 2 2 600 0.0744 0.8962 x 2.5 2.5 600 0.0583 1.4921 x 3.15 3.15 600 0.0395 3.304 x electrical specifcations by item notes: 1. cold resistance measured at less than 10% of rated current at 23c c 2. agency approval table key. x=approved or certifed, p=pending and blank=not approved. 3. i2t values stated for 8 msec opening time. ? pc server and telecom systems ? lcd tv inverter boards dc input protection ? uniterruptible power supply (ups) / 3-phase power supplies ? 380vdc server/ lighting in data center revised: july 30, 2012 ? 2012 littelfuse, inc. specifcations are subject to change without notice. surface mount fuses nano 2? > 600vdc > fast-acting 485 series 485 series please refer to www.littelfuse.com for current information. 485 series
average time current curves refow condition pb C free assembly pre heat - temperature min (t s(min) ) 150c - temperature max (t s(max) ) 200c - time (min to max) (t s ) 60 C 120 seconds average ramp-up rate (liquidus temp (t l ) to peak) 5c/second max. t s(max) to t l - ramp-up rate 5c/second max. refow - temperature (t l ) (liquidus) 217c - temperature (t l ) 60 C 90 seconds peak temperature (t p ) 250 +0/-5 c time within 5c of actual peak temperature (t p ) 20 C 40 seconds ramp-down rate 5c/second max. time 25c to peak temperature (t p ) 8 minutes max. do not exceed 260c soldering parameters - refow soldering temperature rerating curve ti me te mperature t p t l t s(max) t s(min) 25 t p t l t s time to peak temperature (t 25oc to peak) ramp-down ramp-up preheat critical zone t l to t p 0.001 0.01 0.1 1 10 100 0.1 1 10 100 1000 time in seconds current in ampere 3.15a 2.5a 2a 1.5a 1a .500a introduction to circuit protection introduction to circuit protection transientology ? 2012 littelfuse, inc. specifcations are subject to change without notice. surface mount fuses 485 series nano 2? > 600vdc > fast-acting 485 series please refer to www.littelfuse.com for current information.
materials body: ceramic cap: silver plated brass product marking body: brand logo, current rating operating temperature -55c to 125c with proper derating mositure sensitivity level level 1 j-std-020c solderability mil -std-202, method 208 insulation resistance (after opening) mil -std-202, method 302, test condition a (10,000 ohms, minimum) product characteristics thermal shock mil -std-202, method 107, test condition b, 5 cycles, -65c to 125c, 15 minutes @ each extreme mechanical shock mil -std-202, method 213, test condition i: deenergized. 100gs peak amplitude, sawtooth wave 6ms duration, 3 cycles xyz+xyz=18 shocks vibration mil -std-202, method 201:0.03 amplitude,10-55hz in 1 min. 2hrs. each xyz=6hrs moisture resistance mil -std-202, method 106, 10 cycles salt spray mil - std-202, method 101, test condition b (48hrs) resistance to soldering heat mil - std-202, method 210, test condition b (10 sec at 260c) dimensions packaging packaging option packaging specifcation quantity quantity & option code 24mm tape and reel eia-rs 481 - 1, iec 286, part 3 1500 dr part numbering system amp code * 0485 3.15 d r series quantity c ode packaging c ode r = tape and reel r efer to electrical charateristics table *example 3.15 amp is 04853.15dr d= 1500 pieces ? 2012 littelfuse, inc. specifcations are subject to change without notice. surface mount fuses nano 2? > 600vdc > fast-acting 485 series 485 series please refer to www.littelfuse.com for current information. 485 series
mouser electronics authorized distributor click to view pricing, inventory, delivery & lifecycle information: littelfuse: ? 0485.500dr? 0485001.dr? 048501.5dr? 0485002.dr? 048502.5dr? 04853.15dr
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