2920L200 Littelfuse

POLYFUSE Resettable PTCs Surface Mount > 2920L Series 2920L Series Description The 2920L Series device provides surface mount overcurrent protection for medium voltage (60V) applications where resettable protection is desired. Features t P)4 DPNQMJBOU BOE 3 t PMU )JHI WBHF lead-free t QSPmMF X P - t BVMU BTU SFTQPOTF UP G currents Agency Approvals Applications AGENCY AGENCY FILE NUMBER t QPSU QSPUFDUJPO *&& t PMU BHF UFMFDPN X W P - equipment protection t FSFE FUIFSOFU QPSU X P 1 E183209 protection (IEEE 802.3 af) t F FMFDUSPOJD VUPNPUJW R50119118 control module protection Electrical Characteristics Maximum Time Agency Resistance P To Trip Approvals d I I V I hold trip max max Part Number Marking max. (A) (A) (Vdc) (A) R R R Current Time min typ 1max (W) (A) (Sec.) () () () 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 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 0.065 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 XX 2920L300/15 LF300-15 3.00 5.00 15 40 1.50 8.00 20.00 0.015 0.033 0.048 I = Hold current: maximum current device will pass without tripping in 20C still air. R = Typical resistance of device in initial (un-soldered) state. hold typ I = Trip current: minimum current at which the device will trip in 20C still air. R = Maximum resistance of device at 20C measured one hour after tripping or reow trip 1max soldering of 260C for 20 sec. V = Maximum voltage device can withstand without damage at rated current (I max) max Caution: Operation beyond the specied rating may result in damage and possible arcing I = Maximum fault current device can withstand without damage at rated voltage (V ) max max and ame. P = Power dissipated from device when in the tripped state at 20C still air. d R = Minimum resistance of device in initial (un-soldered) state. min 2008 Littelfuse, Inc. Revised: October 24, 2008 2920L Series Specications are subject to change without notice. Please refer to www.littelfuse.com/series/2920L.html for current information. 2920L Series POLYFUSE Resettable PTCs Surface Mount > 2920L Series Temperature Rerating Ambient Operation Temperature -40C -20C 0C 23C 40C 50C 60C 70C 85C Part Number Hold Current (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 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 Average Time Current Curves Temperature Rerating Curve 170% 150% 130% 2920L 100000 110% 90% 10000 70% 50% 1000 30% 10% 100 -40 -30 -20 -10 0 10 20 30 40 5060 70 8085 Temperature (C) 10 1 0.1 0.01 0.1 1 10 100 Current in Amperes 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. 2008 Littelfuse, Inc. Revised: October 24, 2008 2920L Series Specications are subject to change without notice. Please refer to www.littelfuse.com/series/2920L.html for current information. Time in Seconds 0.10A 0.30A 0.50A 0.75A 1.00A 1.25A 1.50A 1.85A 2.00A/24V 2.00A 2.50A 2.60A 3.00A/15V 3.00A Percentage of Rated Current