1210L035 Littelfuse

POLYFUSE Resettable PTCs Surface Mount 1210L Series Description The 1206L series device provides surface mount overcurrent protection for applications where space is at a premium and resettable protection is desired. Features RoHS compliant and Low resistance lead-free Low-profile Fast response to fault Compatible with high currents temperature solders Compact design saves board space Agency Approvals AGENCY AGENCY FILE NUMBER Applications E183209 USB peripherals Mobile phones - battery R50082521 and port protection Disk drives PDAs / digital cameras CD-ROMs Game console port PC motherboards - plug protection and play protection Electrical Characteristics Maximum Time Agency Resistance P d To Trip Approvals I I V I hold trip max max Part Number Marking max. (A) (A) (Vdc) (A) R R R Current Time (W) min typ 1max (A) (Sec.) () () () 1210L005 A 0.05 0.15 30 10 0.60 0.25 1.50 3.600 25.00 50.00 X X 1210L010 B 0.10 0.30 30 10 0.60 0.50 1.50 1.600 7.000 15.00 X X X X 1210L020 C 0.20 0.40 30 10 0.60 8.00 0.02 0.800 2.900 5.000 1210L035 E 0.35 0.70 6 100 0.60 8.00 0.20 0.320 0.810 1.300 X X 1210L050 F 0.50 1.00 13.2 100 0.60 8.00 0.10 0.250 0.550 0.900 X X 1210L075 G 0.75 1.50 6 100 0.60 8.00 0.10 0.130 0.290 0.400 X X 1210L110 H 1.10 2.20 6 100 0.60 8.00 0.30 0.060 0.140 0.210 X X X X 1210L150 K 1.50 3.00 6 100 0.80 8.00 0.50 0.040 0.070 0.110 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 reflow 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 specified rating may result in damage and possible arcing I = Maximum fault current device can withstand without damage at rated voltage (V ) max max and flame. 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 1210L Series 1 www.littelfuse.com Specifications are subject to change without notice. Electronics Designers Guide 2006 Littelfuse POLYFUSE Resettable PTCs Surface Mount Temperature Rerating Ambient Operation Temperature -40C -20C 0C 23C 40C 50C 60C 70C 85C Part Number Hold Current (A) 1210L005 0.08 0.07 0.06 0.05 0.04 0.04 0.03 0.03 0.02 1210L010 0.16 0.14 0.12 0.10 0.08 0.07 0.06 0.05 0.03 1210L020 0.29 0.26 0.22 0.20 0.16 0.14 0.13 0.11 0.08 1210L035 0.47 0.45 0.40 0.35 0.33 0.28 0.24 0.21 0.18 1210L050 0.76 0.67 0.58 0.50 0.43 0.40 0.36 0.32 0.28 1210L075 1.00 0.97 0.86 0.75 0.64 0.59 0.54 0.48 0.40 1210L110 1.69 1.48 1.29 1.10 0.88 0.76 0.65 0.57 0.43 1210L150 2.13 1.92 1.71 1.50 1.26 1.14 1.01 0.89 0.71 1210L Series Average Time Current Curves Temperature Rerating Curve 170% 100000 150% 130% 10000 110% 90% 1000 70% 50% 100 30% 10% 10 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 Temperature (C) 1 0.100 0.010 0.001 0.02 0.100 1 10 100 CURRENT IN AMPERES Specifications are subject to changewithout notice. Note: 1.00 means the number one with two decimal places. AKL V3.9 06.05.10 1210L Series 2 www.littelfuse.com Specifications are subject to change without notice. Electronics Designers Guide 2006 Littelfuse TIME IN SECONDS 0.050A 0.100A 0.200A 0.350A 0.500A 0.750A 1.10A 1.50A Percentage of Rated Current