125 revised: june 4, 2010 polyfuse ? resettable ptcs ? 2010 littelfuse, inc polyfuse ? resettable ptcs vl series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/vl.html for current information. vl series axial lead battery strap type > vl series vl series the new vl series device provides reliable, noncycling protection against overcharging and short circuits events for rechargeable battery cells where resettable protection is desired. electrical characteristics part number i hold (a) i trip (a) v max (vdc) i max (a) p d max. (w) maximum time to trip resistance agency approvals current (a) time (sec.) r min ( ) r typ ( ) r 1max ( ) 12vl170 1.70 4.10 12 100 1.4 8.50 5.00 0.018 0.032 0.064 xx 12vl175l 1.75 4.20 12 100 1.4 8.75 5.00 0.017 0.031 0.062 xx 12vl175xl 1.75 4.20 12 100 1.4 8.75 5.00 0.017 0.031 0.062 xx 12vl230 2.30 5.00 12 100 1.5 10.00 5.00 0.012 0.018 0.036 xx i hold = hold current: maximum current device will pass without tripping in 20c still air. i trip = trip current: minimum current at which the device will trip in 20c still air. v max = maximum voltage device can withstand without damage at rated current (i max) i max = maximum fault current device can withstand without damage at rated voltage (v max ) p d = power dissipated from device when in the tripped state at 20c still air. r min = minimum resistance of device in initial (un-soldered) state. r typ = typical resistance of device in initial (un-soldered) state. r 1max = maximum resistance of device at 20c measured one hour after tripping or re?ow soldering of 260c for 20 sec. caution: operation beyond the speci?ed rating may result in damage and possible arcing and ?ame. description features applications ? rohs compliant and leadCfree ? weldable nickel terminals ? slim, low pro?le design ? compact design saves board space ? low resistance ? rechargeable battery cell protection agency approvals agency agency file number e183209 r50119583
126 revised: june 4, 2010 polyfuse ? resettable ptcs ? 2010 littelfuse, inc. vl series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/vl.html for current information. axial lead battery strap type > vl series ambient operation temperature -40c -20c 0c 25c 40c 50c 60c 70c part number hold current (a) 12vl170 3.5 2.9 2.4 1.70 1.2 1.0 0.7 0.3 12vl175l 3.5 2.9 2.4 1.75 1.3 1.0 0.8 0.3 12vl175xl 3.5 2.9 2.4 1.75 1.3 1.0 0.8 0.3 12vl230 5.0 4.2 3.4 2.30 1.7 1.3 0.9 0.4 temperature rerating temperature rerating curve -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 10% 30% 50% 70% 90% 110% 130% 150% 170% temperature (c) percentage of rated current 220% 190% average time current curves the average time current curves and temperature rerating curve performance is affected by a number or variables, and these curves provided as guidance only. customer must verify the performance in their application. time in seconds current in amperes 0.01 0.1 1 10 1.0 10 100 1000 1.70 a 2.30 a 1.75 a vl
127 revised: june 4, 2010 polyfuse ? resettable ptcs ? 2010 littelfuse, inc polyfuse ? resettable ptcs vl series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/vl.html for current information. vl series axial lead battery strap type > vl series environmental speci?cations operating/storage temperature -40c to +85c passive aging +60c, 1000 hours -/+20% typical resistance change -40c, 1000 hours -/+5% typical resistance change humidity aging +60c, 95% r.h.,1000 hours, -/+10% typical resistance change thermal shock milCstdC202f, method 107g, +85c to -40c 10 times -/+5% typical resistance change vibration milCstdC883c, method 2026, no change physical speci?cations terminal material 0.13mm nominal thickness, quarter-hard nickel insulating material polyester tape dimensions part number figure abcd1d2e inches mm inches mm inches mm inches mm inches mm inches mm min. max. min. max. min. max. min. max. min. max. min. max. min. max min max min max min max min max. min. max. 12vl170 1 0.82 0.91 20.80 23.20 0.14 0.15 3.50 3.90 -- 0.03 -- 0.80 0.18 0.26 4.50 6.50 0.18 0.26 4.50 6.50 0.09 0.10 2.40 2.60 12vl175l 2 1.15 1.25 29.30 31.70 0.11 0.13 2.90 3.30 -- 0.03 -- 0.80 0.20 0.27 5.20 6.80 0.39 0.49 10.00 12.50 0.09 0.10 2.40 2.60 12vl175xl 2 1.00 1.11 25.50 28.20 0.14 0.15 3.50 3.90 -- 0.03 -- 0.80 0.34 0.41 8.70 10.30 0.22 0.29 5.70 7.30 0.09 0.10 2.40 2.60 12vl230 1 0.82 0.91 20.90 23.10 0.19 0.21 4.90 5.30 -- 0.03 -- 0.80 0.16 0.23 4.10 5.80 0.16 0.23 4.10 5.80 0.15 0.16 3.90 4.10 e b d1 d2 c a figure 1 figure 2 e b d1 d2 c a part marking system vl 230 product series current rating lot number (contact littelfuse for additional information) littelfuse t rademark vl 230 xxak product series current rating littelfuse t rademark top side bottom side double sided marking
128 revised: june 4, 2010 polyfuse ? resettable ptcs ? 2010 littelfuse, inc. vl series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/vl.html for current information. axial lead battery strap type > vl series quantity code: u = 5 00 (bulk) voltage rating (vdc) series hold current (value divided by 100 = hold current in amps) lead options: blank = standard l = long lead xl = extended long lead 12 vl 17 5 xl u part ordering number system packaging part number ordering number i hold (a) i hold codes packaging option quantity quantity & packaging codes 12vl170 12vl170u 1.70 170 bulk 500 u 12vl175l 12vl175lu 1.75 175 bulk 500 u 12vl175xl 12vl175xlu 1.75 175 bulk 500 u 12vl230 12vl230u 2.30 230 bulk 500 u
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