51 revised: june 3, 2012 poly-fuse ? resettable ptcs ? 2012 littelfuse, inc 2920l series surface mount > 2920l series 2920l series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/2920l.html for current information. 2920l series the 2920l series ptc provides surface mount overcurrent protection for medium voltage (60v) applications where resettable protection is desired. electrical characteristics part number marking i hold (a) i trip (a) v max (vdc) i max (a) p d typ. (w) maximum time to trip resistance agency approvals current (a) time (sec.) r min () r typ () r 1max () 2920l030 lf030 0.30 0.60 60 10 1.50 1.50 3.00 1.200 3.000 4.800 xx 2920l050 lf050 0.50 1.00 60 10 1.50 2.50 4.00 0.350 0.870 1.400 xx 2920l075 lf075 0.75 1.50 30 40 1.50 8.00 0.30 0.350 0.670 1.000 xx 2920l075/60 lf075-60 0.75 1.50 60 10 1.50 8.00 0.30 0.300 0.60 0.950 xx 2920l100 lf100 1.10 2.20 33 40 1.50 8.00 0.50 0.120 0.270 0.410 xx 2920l125 lf125 1.25 2.50 15 40 1.50 8.00 2.00 0.070 0.160 0.250 xx 2920l150 lf150 1.50 3.00 33 40 1.50 8.00 2.00 0.080 0.150 0.230 xx 2920l185 lf185 1.85 3.70 33 40 1.50 8.00 2.50 0.050 0.110 0.150 xx 2920l200 lf200 2.00 4.00 15 40 1.50 8.00 5.00 0.050 0.090 0.125 xx 2920l200/24 lf200-24 2.00 4.00 24 40 1.50 8.00 5.00 0.050 0.090 0.125 xx 2920l250 lf250 2.50 5.00 15 40 1.50 8.00 10.00 0.035 0.060 0.085 xx 2920l260 lf260 2.60 5.00 6 40 1.50 8.00 10.00 0.025 0.050 0.075 xx 2920l300 lf300 3.00 5.00 6 40 1.50 8.00 20.00 0.015 0.033 0.048 xx 2920l300/15 lf300-15 3.00 5.00 15 40 1.50 8.00 20.00 0.015 0.033 0.048 xx description 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. agency approvals agency agency file number e183209 r50119118 features applications t 3 p ) 4 d p n q m j b o u
m f b e g s f f and halogen-free t ' b t u s f t q p o t f u p g b v m u currents t ) j h i w p m u b h f t - p x q s p m m f t * & & q p s u q s p u f d u j p o t 1 p x f s f e f u i f s o f u q p s u q s p u f d u j p o * & & & b g
t " v u p n p u j w f f m f d u s p o j d control module protection t - p x w p m u b h f u f m f d p n equipment protection
52 revised: june 3, 2012 poly-fuse ? resettable ptcs ? 2012 littelfuse, inc. surface mount > 2920l series 2920l series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/2920l.html for current information. ambient operation temperature -40c -20c 0c 20c 40c 50c 60c 70c 85c part number hold cur rent (a) 2920l030 0.45 0.40 0.35 0.30 0.25 0.23 0.20 0.17 0.14 2920l050 0.76 0.67 0.59 0.50 0.42 0.38 0.33 0.29 0.23 2920l075 1.13 1.01 0.88 0.75 0.62 0.56 0.50 0.44 0.34 2920l075/60 1.13 1.01 0.88 0.75 0.62 0.56 0.50 0.44 0.34 2920l100 1.66 1.47 1.29 1.10 0.91 0.83 0.73 0.64 0.50 2920l125 1.89 1.68 1.46 1.25 1.04 0.94 0.83 0.73 0.56 2920l150 2.27 2.01 1.76 1.50 1.25 1.13 1.00 0.87 0.74 2920l185 2.80 2.47 2.17 1.85 1.54 1.39 1.22 1.07 0.85 2920l200 3.02 2.68 2.34 2.00 1.66 1.50 1.32 1.16 0.90 2920l200/24 3.14 2.77 2.42 2.00 1.73 1.56 1.38 1.20 0.98 2920l250 3.78 3.35 2.93 2.50 2.08 1.88 1.65 1.45 1.13 2920l260 3.64 3.25 2.91 2.60 2.26 2.08 1.95 1.74 1.48 2920l300 4.53 4.02 3.51 3.00 2.52 2.26 1.99 1.75 1.34 2920l300/15 4.20 3.85 3.44 3.00 2.69 2.50 2.31 2.12 1.83 temperature rerating temperature rerating curve -40 -30 -20 -10 0 10 20 30 40 5 06070808 5 10% 30% 50% 70% 90% 110 % 130% 1 50% 170% temperature (c) percentage of rated current average time current curves the average time current curves and temperature rerating curve performance is affected c z b o v n c f s p s w b s j b c m f t
b o e u i f t f d v s w f t q s p w j e f e b t h v j e b o d f p o m z $ v t u p n f s n v t u verify the performance in their application. 2920l 0.10 1 10 100 1000 0.1 1 10 100 current in amperes time in seconds 0.30a 0.50a 0.75a & 0.75a/60 1.00a 1.25a 1.50a 1.85a 2.00a/24v 2.50a 2.60a 3.00a/15v
53 revised: june 3, 2012 poly-fuse ? resettable ptcs ? 2012 littelfuse, inc 2920l series surface mount > 2920l series 2920l series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/2920l.html for current information. environmental speci?cations soldering parameters condition re?ow peak temp/ duration time 260c / 10 sec time above liquids (tal) 220c 60 sec ~ 100 sec preheat 120c~ 180c 50 sec ~ 150 sec storage condition ? $ _ ? $
< = 70%rh t 3 f d p n n f o e f e s f n p x n f u i p e t * 3
w b q p s q i b t f p w f o
i p u b j s p w f o
/ 2 environment for leadCfree t 3 f d p n n f o e f e n b y j n v n q b t u f u i j d l o f t t j t n n j o d i
t % f w j d f t d b o c f d m f b o f e v t j o h t u b o e b s e j o e v t u s z n f u i p e t b o e solvents. note: * g s f n p x u f n q f s b u v s f t f y d f f e u i f s f d p n n f o e f e q s p m m f
devices may not meet the performance requirements. operating/storage temperature -40c to +85c maximum device surface temperature in tripped state 125c passive aging ? $
i p v s t -/+5% typical resistance change humidity aging ? $
3 )
i p v s t -/+5% typical resistance change thermal shock . * - 4 5 %
. f u i p e ( +85c/-40c 20 times -30% typical resistance change solvent resistance . * - o 4 5 % o
. f u i p e vibration . * - o 4 5 % o $
. f u i p e
$ p o e j u j p o " moisture sensitivity level - f w f m
+ o 4 5 % o $ physical speci?cations terminal material solder-plated copper (solder material: matte tin(sn)) lead solderability . f f u t & * " 4 q f d j m d b u j p o 3 4 &
" / 4 * + 4 5 % $ b u f h p s z preheating 120 180 220 260 0 60 to 100 temperature (c) soldering cooling 120 50 to 150 time(s)
54 revised: june 3, 2012 poly-fuse ? resettable ptcs ? 2012 littelfuse, inc. surface mount > 2920l series 2920l series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/2920l.html for current information. dimensions (mm) c to p view pad layout side view bottom view 5.30 mm (.209) 4.60 mm (.181) 2.0mm (.079) d marking code varies with amperage and voltage rating (see electrical characteristic table) shown are: - 1.5a/33v rating (left) - 2.0a/24v rating (right) e a b 150 150 200 -24 part number a bcd e 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 2920l030 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01 0.1 0.3 2.5 0.01 0.08 0.25 2 2920l050 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01 0.1 0.3 2.5 0.01 0.08 0.25 2 2920l075 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01 0.1 0.3 2.5 0.01 0.08 0.25 2 2920l075/60 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.05 0.06 1.20 1.80 0.01 0.1 0.3 2.5 0.01 0.08 0.25 2 2920l100 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.02 0.04 0.55 1 0.01 0.1 0.3 2.5 0.01 0.08 0.25 2 2920l125 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.02 0.04 0.55 1 0.01 0.1 0.3 2.5 0.01 0.08 0.25 2 2920l150 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01 0.1 0.3 2.5 0.01 0.08 0.25 2 2920l185 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01 0.1 0.3 2.5 0.01 0.08 0.25 2 2920l200 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01 0.1 0.3 2.5 0.01 0.08 0.25 2 2920l200/24 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01 0.1 0.3 2.5 0.01 0.08 0.25 2 2920l250 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01 0.1 0.3 2.5 0.01 0.08 0.25 2 2920l260 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.02 0.04 0.55 1 0.01 0.1 0.3 2.5 0.01 0.08 0.25 2 2920l300 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01 0.1 0.3 2.5 0.01 0.08 0.25 2 2920l300/15 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01 0.1 0.3 2.5 0.01 0.08 0.25 2
55 revised: june 3, 2012 poly-fuse ? resettable ptcs ? 2012 littelfuse, inc 2920l series surface mount > 2920l series 2920l series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/2920l.html for current information. part ordering number system packaging style l: littelfuse surface mount pptc quantity code: d=1500 m=1000 p=2000 r: tape & reel 2920 l xxx /xx d r series device size code (0.29 x 0.20 inch) i hold hold current code (refer to electrical characteristics table) special voltage rating item (not applicable to all parts. refer to electrical characteristics table for additional information) packaging part number ordering number halogen free i hold (a) i hold code voltage option packaging option quantity quantity & packaging codes 2920l030 - % 3 y es 0.30 030 tape and reel 1500 % 3 2920l050 - % 3 yes 0.50 050 tape and reel 1500 % 3 2920l075 - % 3 yes 0.75 075 tape and reel 1500 % 3 2920l075/60 2920l075/60mr yes 0.75 075 /60 tape and reel 1000 mr 2920l100 2920L100PR yes 1.10 100 tape and reel 2000 pr 2920l125 2920l125pr yes 1.25 125 tape and reel 2000 pr 2920l150 - % 3 yes 1.50 150 tape and reel 1500 % 3 2920l185 - % 3 yes 1.85 185 tape and reel 1500 % 3 2920l200 - % 3 yes 2.00 200 tape and reel 1500 % 3 2920l200/24 - % 3 yes 2.00 200 /24 tape and reel 1500 % 3 2920l250 - % 3 yes 2.50 250 tape and reel 1500 % 3 2920l260 2920l260pr yes 2.60 260 tape and reel 2000 pr 2920l300 - % 3 yes 3.00 300 tape and reel 1500 % 3 2920l300/15 - % 3 yes 3.00 300 /15 tape and reel 1500 % 3
56 revised: june 3, 2012 poly-fuse ? resettable ptcs ? 2012 littelfuse, inc. surface mount > 2920l series 2920l series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/2920l.html for current information. tape specifications: eia-481-1 (mm) reel dimensions: eia-481-1 (mm) 2920l030, 2920l050, 2920l075 2920l100, 2920l125, 2920l260 2920l150, 2920l185, 2920l200, 2920l250, 2920l200/24, 2920l300, 2920l300/15 2920l075/60 w 1 6.0+/- 0.30 16.0+/- 0.30 16.0+/- 0.30 16.0+/- 0.30 h 16.0+/- 0.2 f 7.5+/- 0.05 7.5+/- 0.05 7.5+/- 0.05 7.5+/- 0.10 w 17.0+/- 0.2 e 1 1.75+/- 0.10 1.75+/- 0.10 1.75+/- 0.10 1.75+/- 0.10 d ? 60.2+/?0.5 d 0 1.55+/- 0.05 1.55+/- 0.05 1.55+/- 0.05 1.50+/- 0.10 f ? 13.0+/- 0.5 d 1 1.5+/- 0.10 1.5+/- 0.10 1.5+/- 0.10 1.5 (min) c ? 178+/- 1.0 p 0 4.0+/- 0.10 4.0+/- 0.10 4.0+/- 0.10 4.0+/- 0.10 h 1 11+/- 0.5 p 1 8.0+/- 0.10 8.0+/- 0.10 8.0+/- 0.10 8.0+/- 0.10 w 1 2.5+0.5 p 2 2.0+/- 0.05 2.0+/- 0.05 2.0+/- 0.05 2.0+/- 0.10 w 2 3.0+0.5 a 0 5.45+/- 0.10 5.45+/- 0.10 5.45+/- 0.10 5.45+/- 0.10 w 3 4.0+0.5 b 0 7.65+/- 0.10 7.65+/- 0.10 7.65+/- 0.10 7.90+/- 0.10 t 0.25+/- 0.10 0.25+/- 0.10 0.25+/- 0.10 0.30+/- 0.05 k o 1.25+/- 0.10 1.00+/- 0.10 1.45+/- 0.10 2.00+/- 0.10 leader min. 390 390 390 390 trailer min. 160 160 160 160 tape and reel speci?cations tape and reel diagram d 2 k 0 b 0 a 0 t f w e 1 p 2 d 0 p 0 p 1 c d h w w2 w3 w1 h 1
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